Things that fly top 7

And at the end of the day, the narrator goes home, steps through his messes, and falls asleep, dreaming about “trying to find a way to protect Superman. Clothes from head to toe--v. Want them to pass you a sweater from the upstairs closet? "Here mom. May 4, 2022 · Discover Top 7, The family word game. Oliver Smithies. Week 3 - Wizardly STEM. Birds - From hummingbirds to ostriches, feathered birds soar through blue skies flapping versatile wings. Wild Water Outfit. Dec 01, 2012. Trade Price: GTA$ 3,000,000 (By completing Humane Labs Raid – EMP) The Hydra is the most powerful fighter jet in GTA Online, and it’s also the most advanced fighter jet in the game. Week 7 - Radiant Rainbows. Take a lengthy piece of yarn and thread it through the paper towel roll. In fact there are at least 1,000 different examples of this happening during evolutionary history. This is a general category for things that fly, such as ballistic objects, things engaging in flight through an atmosphere, and spaceflight . A lot of it is pretty understandable, though: safety first! This scene doesn’t need to give you anxiety. The jacket for the hardcover book reads "You are the first generation to be raised without religion. B. ” (147). When the plane flies horizontally at a steady speed, lift from the wings exactly balances the plane's weight and the thrust exactly balances the drag. KS2 Australia Leaflet Template 1 review. Alcoholic beverages with 24% alcohol or less are not subject to limitations in checked bags. Parts of the Insect Worksheets 45 reviews. Image Credit: Carolina K. They are shaped so that that air flows faster over the top of the wing and slower underneath. 5 inches in length (and 17. Sep 2, 2016 · Infant Visual Stimulation: High-contrast color animation of different things that fly. Flight Photo Display Poster. 5 in (13 mm). 6: Featuring Planes and Other Things that Fly Hardcover – January 1, 1980 by Charles Schulz (Author) 4. 7. The second force is weight — the force of two masses being attracted to each other. All-Time UEFA Champions League Teams. youtube. Jun 28, 2021 · 10 Weeks of Awesome Summer Science Experiments. Here you can discover for yourself Mar 12, 2010 · The Infamous Stringdusters wasted no time in providing their answer--an emphatic "yes"--winning IBMA Album, Song and Emerging Artist of the Year the very same year they released their debut, Fork In the Road. 9. Fastest Car Crash Survived – 610 Miles Per Hour. See more ideas about art for kids, elementary art, art education. I first fell in love with this pairing as a headphones-clad Jan 17, 2024 · Piscifun Sword (Absolute Cheapest) Orvis Encounter. Southern Flying Squirrel. Redington Original. Cathedral Caverns State Park is located an easy 25-minute drive from Scottsboro. Explainers also host the webisode videos you’ll find throughout this website. Can you fill in the words to Emily Dickinson's 'Some Things That Fly There Be'? Test your knowledge on this literature quiz and compare your score to others. 10. Insects-1 st and 2 nd fliers (many types of wings and two types of musculatures) 1. May 17, 2019 · If I sometimes prefer to travel as a passenger, one reason is that passengers, unlike pilots, can listen to music while they fly. This shape creates lower air pressure on the top of the wing, pushing them up, just like how lift works on a plane. Dec 31, 2023 · Pixar Character Images III (Minefield) 15 Seconds: Pixar. Press fly shield away from main fabric and the seam allowance towards the main fabric. Overcoming, Overcoming Fear, Teach. Example: Top 7 green animals, top 7 something that can be spoiled. Jun 28, 2008 · "7 Things" Official VideoNOW AVAILABLE IN FULL HD!Click here for more music videos from your favorite Hollywood Records artists:https://www. The Feather Tail Jig is a deep-diving, Euro-inspired fly created by Rich Strolis. You can’t ignore air either. Our extensive database of designs includes step-by-step instructions, video guides and printable templates where you simply fold on the numbered lines to get a perfect paper plane, every time. We're all for being comfortable on a flight, but since you do have to be out in public, it's best not to wear pajamas to the airport and onto the plane. 8. Quick Pick: Self-Titled Albums. Dec 1, 2012 · About Things That Fly…. e. Jan 28, 2023 · Japanese Flying Squid. Stitch at a 3/8” seam allowance, stopping 3/8” from the bottom edge. 2. Wing-fingers (Pterosaurs) 2. Even island birds that do still fly show signs of one day becoming flightless — they have characteristics like weaker flight muscles and longer legs. ) Stars and Planets and Plants -- 9. Students "fly" for short periods and then evaluate factors that might either increase or decrease their "flight" duration. Pixar Movies: Oldest to Newest. Alternatively, use kite paper or butter paper. Kiwis are the national bird of New Zealand and, of course, the namesake for a uniquely brown and green fuzzy little fruit. It is unafraid to roam the river bottoms, and confidently catches trout in their deep, dark hiding places. Birds 3. Eagle Claw Featherlight. Depending on your needs and budget, you can grab a ticket to Iceland on major airlines such as Delta or United. Dec 22, 2020 · What every teenager should consider bringing aboard a flight -. Download the Word file (see link below) for: student worksheets. 4 ounces (100 milliliters) As you can see, there are a lot of things that are not allowed in your carry-on bag, according to the TSA. Among all of the group's released recordings, The Infamous Stringdusters,Things That Fly and Laws of Gravity have been the most critically acclaimed. Drag is caused by friction and differences Jan 20, 2022 · Penguins are great swimmers, but are unable to fly. And the Thrust of a rocket engine overcomes the Weight of the object A colourful first pop-up book of things that go, perfect for tiny hands. By focusing your attention on something else, you may not check the clock as much. Life After God. 3. Jan 3, 2024 · We have covered diverse sectors, from the natural world’s swiftest creatures to groundbreaking achievements in science, technology, business, and beyond. Studies have shown that it is physically possible for flying animals to reach 18-metre (59 ft) wingspans, [21] but there is no firm evidence that any flying animal, not even the azhdarchid pterosaurs, got that large. It should get noted, however, that larger models take longer to learn to fly than smaller ones. So the pressure on the top of the wing is less than the pressure on the bottom of the wing. Apr 15, 2024 · Try covering it up with a piece of tape so you aren’t constantly tempted to check it out. Customized for children ages 5 and up, there's a range of creative models to put together using the LEGO Sep 21, 2011 · Resource. King. Vinegar and Dish soap fly traps can also be helpful. It uses natural colors that could mimic a crab, shrimp, or even be mistaken for an inshore baitfish species if retrieved accordingly. Similar to Spirit and Frontier, Ryanair’s base fares don’t include seat selection, checked or carry-on baggage and even beverage service — those are all extras. Align the 2 pieces of paper side by side, so that the long edges overlap by about 0. It is a foot long and features a 7. May 5, 2019 · Things That FlyBalloons, kites, and birds are all things that fly!Visit https://www. For this inventive craft, use the cardboard from inside a roll of paper towels, and decorate it with the coloring page. 1417692758 9781417692750. One of my most popular science experiments is our water-powered bottle rocket. Get a big plastic bottle and cut its top off at approximately 1/3 of the total length of the bottle. Quick Pick: Countries With the Most Lakes. (or glide, whatever) that have vertebrae and aren’t bats or mammals. The shape of the wings on an airplane and the whirling blades of a helicopter create lift as they move through the air. Use craft sticks on the bottom to serve as landing gear and longer craft sticks on the top for the main rotor. Drain flies, also known as sink flies or moth flies, lay eggs in areas of moisture or standing water and appear black. Pin fly shield to right front leg (the one that has seam allowance) right sides together. ) Space Travel -- 8. Thrust is the force that propels a flying machine in the direction of motion. You can also try distracting yourself by making some top 10 lists of your favorite foods, games, video games, and the like. May 19, 2019 · Here are seven things you need to know before you book a flight…. This video will encourage visual and auditory development and can help Welcome to **Rich Life Style**, the ultimate destination for those who aspire to live life lavishly! Our channel is dedicated to showcasing the finest things The purpose of fly traps is to lure traps and capture them. NASA Images; Solar System Collection; Ames Research Center; Software. The high air pressure underneath May 11, 2023 · Draw things that can fly in the Sky | Air Transport Vehicles Drawing Easy Related Queries draw and colour three things that can fly in the skythe bird flying Liquid or gel food items larger than 3. The stories are set around a theme of a generation raised without religion. For another low-tech flying toy for kids, we like this set of two foam planes. Houseflies are black flying bugs that are nuisance pests, but they can Getting a Brownies interest badge. "Instead, wear loose-fitting Feb 21, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Alcoholic beverages with more than 24% but not more than 70% alcohol are limited in checked bags to 5 liters (1. 0 Jan 6, 2017 · Follow this flight path to nonstop fun as Kermit the Frog, other Muppets and real kids explore lots of things that fly! From hot air balloons and rockets to Mi-26. In addition to the paper airplane plans, we have Understanding the basics— gravity and air —is key. How machines work--v. KS1 Australia Leaflet Template. 12. : Flight. Man must rise above the Earth - to the top of the atmosphere and beyond - for only thus will he fully understand the world in which he lives. We have had luck on the Crystal River Shrimp all over Florida and Costa Sep 7, 2023 · EYES: 6mm Super Pearl. " Dozens of exhibits invite you to push, pull, press, lift, slide, handle, touch, twist, turn, spin, bend, and balance. Overview (don’t over-view). Some chewing gum. Conclusion. Fly Full Page Borders. Wikimedia Commons has media related to Flight. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jan 30, 2022 · Things can fly quite happily without engines, as gliders (planes with no engines), paper planes, and indeed gliding birds readily show us. Place fly baits on the bottom of the r/watchthingsfly: Any video that involves things flying that shouldn't be. Jan 1, 1980 · Planes and Other Things that Fly -- 7. com/playl May 27, 2021 · BooTaa Large Throwing Foam Airplane. 11. 9 Copy quote. True flight is shared only by insects, bats, and birds. Chocolate (Solid) Solid food items (not liquids or gels) can be transported in either your carry-on or checked bags. Explore the caves, and you’ll stumble across some really cool natural wonders, including the cave’s massive entrance, “frozen” waterfall, and huge stalagmite forest. From hot air balloons and rockets to the moon, helicopters and hang gliders, stunt planes and jet planes, Things That Fly breaks the song barrier with seven soaring Muppet originals! So fasten your seat belt, make sure your tray is upright and take off on a live-action tour of things that fly! Dec 5, 2023 · List of Things That Fly. Just think, in 1990, the best way to get a hold of someone May 9, 2017 · From the popular Build It! series of visually rich instruction books for LEGO® creations, this book highlights helicopters, gliders, fighter jets, airplanes both modern and vintage--even rockets—all things that fly through the air. Not in Library. Comfortable Clothes. The fruit fly has a very rapid life cycle. The capacity for flight in insects is believed to have developed some 300 million years ago, and initially consisted of simple extensions of the cuticle from the thorax. Yes (Less than or equal to 3. Jet Airliner. It is an aircraft that is designed for the transportation of passengers and air cargo and is powered by jet engines. Kites - Colorful kite tails ripple behind diamond frames lifted skyward on spring breezes for A: An Explainer is a trained high school or college student who will answer your questions about how things fly. com/ for more of our fun animated stories and songs for kids An airship flies because the upward force, from air displacement, is equal to or greater than the force of gravity. 4 volt 900mAh Li-Po battery. Science can be super--v. Material. The difference in pressure creates a force on the wing that lifts the wing up into the air. Yes, those large over-the-top things that make their wearer seem anti-social can make a huge difference on the airplane. Aug 29, 2023 · Some things that fly that begin with the letter U are:United Airlines airplaneUlysses butterflyUmbrella bird Top Categories Algebra Chemistry Biology World History English Language Arts Sep 15, 2022 · The Hydra. Fast moving air equals low air pressure while slow moving air equals high air pressure. Table of Contents. Taylor Swift Logic Puzzle (Songs) 2. It’s suggestively based on the British Aerospace Harrier II. 21. A lesson plan introduces students to the four elements of flight - drag, lift, thrust, and weight - through fun-filled experiments. Bernoulli's principle: Bernoulli’s principle helps explain that an aircraft can achieve lift because of the shape of its wings. Planes Mar 9, 2023 · 8. Standard Price: GTA$ 3,990,000. On Things That Fly, their third album on Sugar Hill, they venture into virtually uncharted territory for an acoustic group: a sonically The Things That Fly in the Night explores images of vampirism in Caribbean and African diasporic folk traditions and in contemporary fiction. Quiz by Mossyra. aaaa. 60 Second Blitz: Pixar Movies. C-130 cargo plane, the twin-turbine eight-rotor helicopter can carry cargoes up to 20 tons. Giselle Liza Anatol focuses on the figure of the soucouyant, or Old Hag—an aged woman by day who sheds her skin during night’s darkest hours in order to fly about her community and suck the blood of her unwitting victims. B- Blimp. Every Kid Needs Things That Fly! July 2005, Tandem Library. Aug 31, 2017 · Top Contributed Quizzes in Just For Fun. “Freshening Up” Gear. " The text is an exploration of faith in this vacuum of religion. 6 out of 5 stars 7 ratings Aug 30, 2019 · Top Contributed Quizzes in Just For Fun. ) Comfort and entertainment are two priorities that need to be taken into account, for sure. Week 2 - Kitchen Concoctions. The first force, lift, pushes up on things that fly — airplanes, birds, helicopters and rockets. , you will find Explainers assisting visitors to interpret exhibits and presenting hands Oct 22, 2023 · Top. Pillow and blanket. military's demand for a supersonic spy aircraft capable of flying fast and high beyond the reach of fighter jet interceptors or missiles led to These and many other questions are answered in How Things Fly, a gallery devoted to explaining the basic principles that allow aircraft and spacecraft to fly. Crystal River Shrimp. -muppet-sing-alongs-things-that-fly Scanner Internet Archive HTML5 Uploader 1. Market Logic Puzzle. Everything costs extra. Life After God is a collection of short stories by Douglas Coupland, published in 1994. May 31, 2024 · He so desperately wants an escape from his dismal, depressing reality that he would give everything up just to become a bird; to fly away. Once the flies get captured, they will eventually die on their own. When birds are not flapping their wings, you could compare them to airplanes: their wings are shaped like an airfoil. This has proven to be one of the most effective inshore fly patterns that we have fished so far. Flying animals: 7 animals that actually fly (but really shouldn’t) - BBC Science Focus Magazine. What flying teaches you is to overcome fear with knowledge. In this activity, students discuss what things can fly and how this happens. Fastest Helicopter – Bell Boeing V-22 Osprey. 400 likes | 690 Views. These are weird situations with pilots, passengers & flight May 13, 2021 · Airplane wings are shaped to make air move faster over the top of the wing. At the end of 2011, the Stringdusters were named one of the top-trending bands of the year, just behind the Foo Fighters, The Wood Brothers, and B. When air moves faster, the pressure of the air decreases. Hoverboard. Drag is the force that acts opposite to the direction of motion. Week 5 - Amazing Art Science. In the special, Kermit the Frog and a young boy muppe Read Aloud of this Blue's Clues Book! The 1990s was a fascinating time to be young and growing up. A- Airplane. Click the PDF icon to download the issue. When an airplane flies, the wing is designed to provide enough Lift to overcome the airplane’s Weight , while the engine provides enough Thrust to overcome Drag and move the airplane forward. Play is an excellent and budget-friendly way to travel to Iceland from Europe, offering flights from multiple locations such Jun 18, 2013 · A: Birds use the same four forces of flight as airplanes to fly. Edgestitch 1/16” away from the fold. You can simply build and play with your flying homemade toys, or use them in your next science lesson or STEM But still, even the mere idea of a functional jetpack in this world is enough to get people excited. By the end of this activity, students should be able to: understand that, to sustain flight, the wings must be moving through air. ) Top reviews from the United States There was a problem filtering Dec 15, 2016 · Here are 15 fascinating facts about our fruit-loving buddies: 1. 1. Electricity and magnetism--v. 13. Category. When you can’t afford to splurge on luxury sports gear, you may find yourself shopping for the best budget fly rod, rather than a premium Sage or a top-end St. Sep 6, 2021 · In Episode 300, Lucien and Moose talk with AMA President Rich Hanson and AMA Executive Vice President Randy Cameron about issues that the AMA is currently working on to ensure the future of Model Aviation, and what we can all do as AMA members to help our local schools and communities bring new younger pilots into the hobby. For more than 10 years, Fold'NFly has been teaching people around the world how to make paper airplanes. Plant aromatic herbs like Basil, Lavender, Tansy, Wormwood to keep flies away. (Extinct animals count). They really don't have wings, but they can fly, and there are even animals that can fly like birds. 2 metres (10 ft). 23. THEY LIVE AND DIE QUICKLY. Find the top seven Something That Flies answers related to the topic. Kiwi. Apr 22, 2015 · 7. 5 inches in the width of the wings), so it has a bigger size versus some other foam planes that little kids will love. Pixar Movies by Any 3 Letters. Gould's talents as a celebrated fiction writer animate these pages, each brief chapter perfectly calibrated to May 24, 2010 · 5. Cars, trains, and other wheels--v. They work towards identifying some key characteristics of flight. Libraries near you: WorldCat. These animals are not birds, but can fly like birds as they take off with skins or ribs. Mini bottles of alcohol in carry-on must be able to comfortably fit into a Jan 11, 2019 · My BEST EVER Dreams - THINGS THAT FLY!: (#16 in the BEDtime Series for Children (BEDtime Book Series (My Best Ever Dreams)) Paperback – January 11, 2019 by Ginny and Suess Dye (Author), Iqra Abdullah (Illustrator) Category:Flight. Jun 10, 2024 · 4. Unknown Binding in English. Boats and things that float--v. Despite being shy and nocturnal, these birds have managed to become pretty iconic. Examples of other animals that are capable of soaring are flying fish, flying squirrels, flying frogs, and flying snakes. A large perching bird with mostly black feathers and a raucous voice. 3 gallons) per passenger and must be in unopened retail packaging. Must be less than 3. Forty Things to Do This Summer Worksheet. Snacks and water. A heavy powered flying vehicle with wings. Let's celebrate!--v. 4 oz are not allowed in carry-on bags and should be placed in your checked bags if possible. Mar 28, 2023 · Wax paper is ideal for making sky lanterns because it's lightweight and translucent. C- Crow. Make the Helicopter Fly. Socrates. A small nonrigid airship. May 21, 2016 · Crafts are fun to make, but crafts that can fly are even more fun! In this collection you’ll find activities suitable for preschoolers and on up and others that will require some adult assistance (making them a great family activity). Imagination, Done, Pilots. Humans have managed to construct lighter-than-air vehicles that raise off the ground and fly, due to their buoyancy in the air. Redington Path II. While the C-130 had a significantly longer operational range, it required a 3,000-foot (900-meter) runway to get airborne Among living animals which fly over land, the Andean condor and the marabou stork have the largest wingspan at 3. Some perks of this solution include low costs, easy set-up, and high efficiency. Air is “stuff” that you must fly through, and it produces two forces of flight: lift and Jun 24, 2016 · Crystal River Shrimp. There are 18 interest badges for you to earn at Brownies, and 3 fun challenges to do for each badge. All-Time German Bundesliga Clubs. Airplanes - Powerful jet engines send airplanes cruising high altitudes, rotor propellers keeping smaller craft aloft. Jan 11, 2021 · Summary Of The Top 5 Ways To Get Rid of Flies (Musca domestica) Mix 20 drops of LemonGrass oil with 1/2 cup water and spray in the infested areas to get rid of flies. Jul 25, 2023 · 2. . As soon as I started thinking about what do with my kids during our school closure, I knew that making things fly was going to be on the list. To rise above it all, you have to face some facts: You must grapple with gravity no matter how or where you fly, because gravity is everywhere—you can’t escape it. May 11, 2022 · Gravity, friction and air resistance are all examples of forces you need to consider when making things fly! Experiments you can make fly Bottle Rocket. Many travelers don’t realize that a substantial component of stress from travel is from all the noise. 14. References Image Source: Wikimedia. Nov 30, 2018 · 7. Flight Mind Map. Each plane measures 17. Quiz by Thebiguglyalien. Week 1 - Rubber Band STEM. Just one fertile mating pair can produce hundreds of KS1 All About Aeroplanes PowerPoint 7 reviews. In order to create thrust, birds flap their wings. 6 4. About Things That Fly…. This one takes a bit of setting up, but it can be used repeatedly, so it is definitely worth the initial effort. Lift is created by differences in air pressure. Week 8 - Wacky Water Science. It is far and away the most exciting flying device you can fly. Our incredible universe--v. Photo: Four forces act on a plane in flight. Letter Grid: Disney Animated Movies. Feb 6, 2016 - Explore Debbie Dixon-Paver's board "Art Education: Grade 5 - Term 4: Things that fly (natural or mechanical)/ contrast and proportion", followed by 1,031 people on Pinterest. Can you pick the one that can fly before time runs out? Test your knowledge on this just for fun quiz and compare your score to others. littlefox. Holidays around the world. Feb 25, 2014 · Things That Fly is a 30-minute sing-along special released direct-to-video by Jim Henson Video in 1996. Oct 14, 2017 · Disney/Pixar Animated Movie per Letter. Sep 23, 2021 · Best Sellers Rank: #6,912,410 in Books (See Top 100 in Books) #8,353 in Crafts for Children (Books) #47,945 in Children's Arts, Music & Photography Books (Books) Lift is the force that acts at a right angle to the direction of motion through the air. Integer Logic Puzzle Extreme Edition. A guide to planet earth--v. 5. The emphasis here is "hands-on. Jan 4, 2017 · How Things Fly. The Russian Mi-26 is the world’s biggest helicopter currently in production. The commercial jet airliner is one of the most used and manufactured flying machines in the world and is one that all of us have seen. Smith MD via Shutterstock. 24. Understanding how things fly begins by learning about the Four Forces of Flight . 7 Copy quote. Kids, at least mine, like to make things hurtle through the air. Harry Potter Logic Puzzle. Catch!" as it flies through the air towards Mar 9, 2021 · In his masterful memoir, Things That Crash, Things That Fly, Scott Gould navigates seamlessly between dark-comic wit and bare-knuckled heartbreak, guiding the reader through a crisis of spirit that is at once singular and universal. 15. People and places--v. An aerostat is a system that remains aloft primarily through the use of buoyancy to give an aircraft Jan 1, 1980 · Charlie Brown's 'Cyclopedia: Super Questions and Answers and Amazing Facts, Vol. You can do these badges on your own or with others, however and wherever you like! You can do them at home, at a friend’s or relative’s house, in your unit meeting with other Rainbows, or somewhere like the May 30, 2024 · Yes. Olsen’s Back Flop Jig, Strolis’s Headbanger Sculpin, and Cammisa’s Double Play were close contenders. 4. Go Underground at Cathedral Caverns State Park. A lesson plan introduces students Mar 20, 2020 · Things That Fly are Fun. 4oz/100 ml allowed) Yes. 7. com/Strangest things that happened on an airplane. Fastest Roller Coaster – Formula Rossa in Abu Dhabi. 22. Ice Cream Logic Puzzle. to/2M5L5D5I Jun 27, 2022 · Others are much bigger, like the Horizon Hobby 3D Ultra Micro Super Cub S. Flying Fish (Exocoetidae) 10. 6. Objects That Fly A-Z. Engines produce thrust. Plastic and foam RC planes are more likely to crash as compared to those that get crafted from Mar 13, 2023 · Pajamas. With 15 pop-ups and beautifully stylish illustrations from Ingela P Arrhenius, this is a bold and bright introduction to things that go. The world was changing around us so rapidly that we could barely keep up. Jul 31, 2012 · SR-71 Blackbird: Supersonic Spy Aircraft: The U. D- Douglas A-1 Skyraider. Week 6 - Clever Contraptions. S. NEW MERCH AVAILABLE: https://theywillkillyou. C. Discover the strangest animals around the world. Feb 2, 2023 · According to National Geographic, island birds lose the ability to fly remarkably often. Fold three of the best paper airplanes in the world! These things fly to the far side of the gym and hit the back wall!Get the book: https://amzn. Glue the pieces of paper together along one of the long edges. Speaking of science fiction, the hoverboard is another flying device that was long considered to be out of the reach of humanity. With a lift capability comparable to the U. Things that fly, things that zoom and things that float - find all the things that go in this colourful pop-up book. Extra cash (for the airport) Entertainment items (books, music etc. Currently, at least 19 airlines from 78 locations worldwide fly to Iceland's Keflavik International Airport. Week 4 - High-Flying STEM. Invest in noise-canceling headphones. Croix. And, if you visit the How Things Fly gallery in Washington, D. wi pl jy ur fc qr su ro na yk