検索キーワード： 科学・テクノロジー

Climate change affects many regions with hotter and drier weather, and forest fires are a growing problem. Learn how hungry animals might help reduce wildfires. Fires need fuel, oxygen and heat to start a flame. The forest floors are covered with dry grass, dead wood, and bark called duff–fire fuel! Learn how conservationists are using sheep, goats, beavers and other animals to reduce fires!

What kind of insect protects itself with bright colors, warning insect eaters to stay way–a ladybug! Learn about insects and animals that live together in a garden. Interacting together, these living organisms have a lot in common! Some can help a garden grow strong and others can cause a lot of trouble. Raccoons like to eat the seeds and berries while spiders help by eating the pesky insects.

Did you know your teeth are the hardest thing in your body? Your tooth has many parts that protect it and keep it strong. How do cavities form? Learn how brushing and flossing can keep plaque from forming which helps prevent cavities.

Animals have different-looking ears, yet, help them to hear! Some animals have large floppy ears like the bunny, who points each ear in different directions–hearing two sounds at once! The harbor seal that has no ears, yet hears through holes that close when it dives! Whether floppy or unnoticed–these animals have ears perfect for hearing!

The wind moves air. The heat from the sun warms the earth’s surface, warming the air above it. Warm air is lighter than cold air, so the warm air floats up to the sky! Why are some places windier than others? Learn what happens on a sandy beach when the air over the beach rises. Does the air become hot? Can you see hot air? Try the hot air experiment to find out how to see hot air rise!

Got a pair of old tights, an empty can or a plastic bottle that you plan to throw away? You can upcycle those old things and turn them into new items you can use! Upcycling is recycling in a better way! Learn how to make a decorative pencil holder, a draft dodger to keep the cold out, or turn plastic bottles into bowling pins. What things can you create to reduce the use of plastic and metal?

The Elly award goes to the animal with the best nose! Learn about different animals’ noses and how their noses help them to survive in different ways.

Surviving in the desert heat can be dangerous–from deadly shifting sands to a lack of food and water, learn how animals like the Dromedary camel uses its eyelids to shield it from swirling sand, how Sandgrouse chicks soak up water from feathers on their fathers belly, and how the kangaroo rat never takes a drink!

What do you use your teeth for? Just like us, animals use their teeth for lots of different things in order to survive! Learn how animal teeth differ from humans and how they are special to each kind of animal, depending on what they eat! See all the different kinds of teeth that animals can have all over the world. Who do you think has the scariest teeth?

Dogs are amazing creatures with amazing bodies! Discover how fur protects their delicate skin, and which body parts gives them balance. Did you know dogs can wiggle their ears in many directions? Learn more facts about dogs and how their unique anatomy is different from other animals.

Did you know about 8 million tons of plastic enter the ocean each year? Learn about the Washed Ashore project that helps to clean up beaches through re-use of collected plastic—and then is recycled into art! Which sculpture in the project is your favorite?

Have you ever had an idea for a new product or service? That is the first step towards becoming an inventor! Learn the process of inventing something new to solve an everyday problem. Brainstorm! Draw! Make a model! Test! Does it solve the problem? Become an inventor today!

Did you know anyone can become an inventor? Being an inventor is all about solving problems in your everyday life. Inventing means you come up with lots of ideas using your creativity. Follow along in this activity to learn the steps to solve a problem and to improve the world around you!

Do you think you are a good climber? You probably can't beat a mountain goat! Known as Kings of the Mountain, they can climb the steepest of mountains, even as babies! Learn the special anatomical features of their bodies that allows goats to seemingly climb straight up mountains and even jump nearly 12 feet in the air. Do you think you can go toe-to-toe with the goats?

This true story took place at the emergency farm-labor camp immortalized in Steinbeck's The Grapes of Wrath. Ostracized as "dumb Okies," the children of Dust Bowl migrant laborers went without school--until Superintendent Leo Hart and 50 Okie kids built their own school in a nearby field. "The...

What is juicy, red and green with white stripes and pops up from the ground ready to eat—watermelon! Their seeds need plenty of water, lots of sun and nutrient rich soil. Follow along as a tiny, black seed bursts into a delicious fruit. Watermelons are ready to be picked when their yellow petals have all fallen. Find out what Bee-u-ti-ful insect helps the watermelon grow?

Ada wants to win a prize one day for her inventions. She has many ideas. When it’s time to clean up her blocks, Ada has a great idea to make clean-up time easier. Ada thinks to use her father’s old socks to invent a way to stay on her two feet on an icy day! Ada’s ideas to recycle old things makes her a great inventor!

Have you ever seen or felt a prickly cactus or a juicy aloe? These are just two of the amazing plants that can survive in the desert! In the study of botany, identify the different plants that thrive in hot, dry climates like deserts.

Some animals have skin that will shock you! Well, they may not actually shock you but the skin has unique abilities that might surprise you. Learn how certain animals are able to change their appearance by changing skin color or texture, how others can make you sick with their poison, or animals whose skins peel off. Just imagine what it would be like to live in these skins!

Native American tribes from the Northwest Coast learned to use the wood of cedar trees for many of their daily needs. Tribes used recycling to conserve resources hundreds of years ago. Pounding bark until it was fluffy to make diapers and with special thin branches called withes, cedar trees were soaked and used to make rope. What special technique did tribes use to take down big cedar trees?