Showing results by author "Amy Tao" in All Categories

Do you know how the anatomy of the eye allows us to see colors? Learn about the part of the eye called cones. Cones are like sensors that detect colors. The more cones a person or animal has, the more colors the eye perceives. Can you guess if your pets see you in full color, or if you see your pets in full colors?

Can you guess when trees stop growing–they don’t stop! Their massive roots keep them in the ground and require plenty of water, sunshine and nutrients from the soil to help them grow. Trees are the oldest, largest and tallest living things on Earth, with the oldest part of the tree being its strong, woody middle. Find out how a maple tree gets its start! How does a tree grow?

Have you ever wanted to live in Antarctica? What kind of house would you live in? A snow house, of course! Follow the instructions to learn how to build a snow house. What is a snow house made from and what tools do you need to build it? Guess what the first step is to build a snow house?

Join us as we go on a journey into the world of symmetry! Learn about the wonders of line symmetry—or reflection—as you create mirror images and watch how rotational symmetry works in this brief peek into this area of geometry.

Cats are fascinating creatures! They have different traits that make the way they see, hear, smell, and even move very different from humans. Some might say that they can do all these things better than you can! Do you know the differences between cat and human senses?

Firefighter Greg has an important job to do–he helps people who are in danger of being hurt by fire. He has a lot of equipment to help him do his job. A computer inside the fire truck shows Firefighter Greg exactly which house to go to. Ladders, rigs, and tools help get the job done! Can you name other equipment that will be needed for Firefighter Greg to help others, and be safe? How can you be safe at your house to prevent fires?

What would we do without wheels? We use wheels for all kinds of things, including transportation. Learn about alternatives for transportation other than the wheel! Do you use any of these different ways of moving around?

If you plan to visit one of the coldest, windiest places in the world, you’ll need to be prepared! Antarctica's roads are covered with packed snow and ice, requiring special vehicles and snowmobiles to drive on this slippery land. A bus named ‘Ivan the Terra’ carries 56 people and has tires big enough to keep the ground from sinking! Learn about other vehicles that transport cargo and people.

Have you ever wished you could speak to your dog? If you pay attention, you'll realize they actually speak to us all the time! Learn about the different noises and behaviors dogs use to communicate. The next time your dog "talks" to you, will you be able to understand him?

Inside every seed waits a tiny plant, ready to grow. Watch the process of a pumpkin plant from tiny seed to full-size fruit! You'll also see other plant seeds, which come in many different sizes, shapes, and colors. Some can be as big as your head, but poppy seeds are so little you can hold hundreds in one hand!

No one knows for sure just how the ancient Egyptians built the Great Pyramid of Giza, which is taller than the Statue of Liberty. How could an ancient civilization have achieved this engineering feat? Perhaps the solution to this mystery can be answered with simple machines!

Do your shoes fasten with Velcro straps? Have you ever wondered where this strange invention comes from? Sometimes nature provides excellent inspiration for new solutions! Plant burs stuck in his dog's fur gave Swiss engineer George de Mestral a good idea.

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.

Have you ever wondered what lifts a big, heavy airplane up in the sky without falling down? This article explains how their wings and air keeps planes—and birds, too—flying high! Learn how wings work just by blowing on a piece of paper in a fun experiment.

Safety is important, no matter the location, whether on land or on sea! Children can explore the many boats that are used on the ocean. Tugboats, police boats, ice breaker boats, and rescue boats, all have a different purpose for helping people be safe or to provide rescue on the sea.

Diggory Dog has an important job: to watch over all the sheep. But why? One day, he learns what purpose sheep serve—they produce the wool that can be used for knitting.

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?

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!

Learn what bird has the ability to sleep while flying through the sky–the albatross! With a wingspan of 10 feet, this sea bird glides over the warm Southern waters looking for squid and fish to eat! They spend most of their time flying except when eating or feeding babies. Parent duty is shared by these loyal birds who stay with their mate for life. Guess where the albatross flies to lay its egg?

Do you know how your ears can hear? Did you know they’re responsible for other things, too? For one thing, they keep you balanced on your feet! Learn about the anatomy of your ear and how its structure allows you to hear all the different noises you experience every day.