Showing results by author "Amy Tao Tao" in All Categories

What happens to your body while you sleep? Does it just shut off like the bedroom light? On the contrary, it turns out that all sorts of things happen.

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!

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?

Our sun is great at shining down light and heat on earth, but was the sun always that bright? With the help of gravity, the sun is eventually able to produce enough energy to give off light. Our sun has kept this up for four billion years and will keep shining for another five billion years!

Firefighter Greg has a physical job to do so he stays strong and fit. He gets up early in the morning and sleeps where he works. Did you know that Firefighter Greg practices putting on his safety gear–in less than one minute? Or that his gear–helmet, facemask, air pack, boots and jacket–weighs 75 pounds? Find out how firefighters practice putting out fires in a training tower!

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.

What makes all these animals fish? Fish live in the water, but they have other defining characteristics as well. Who else lives in the ocean?

Do you know how buildings you see in your city got there? Before buildings are built, machines that move the ground are used! The excavator or digger move old ground away, preparing the space for a new building! A driver sits in the cab where all the fun begins! The tools to control the machine are inside the cab. Levers control the arms which do all the digging. How does the digger’s body move?

Red is a red blood cell. Luke is a leukocyte, or white blood cell. Patty is a platelet. What do these three have in common? They are the workers in your blood. Listen to find out why each worker is important for your body.

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!

Enjoy this collection of stories for children about life on the farm. In "Hector Helps Out", Calliope the hen enlists the help of Hector the rooster in an effort to retain her egg. They work to pull a fast one on Farmer Bean. Also included are nine other stories about animals and living on the farm: "Hatch!", "Fresh from the Farm", "Grandpa Drives a Milk Truck", "Mem and Grandpa at the Farm Stand", "Diggory Dog", "Fleece Fiber, Yarn Sweater", "Harvest Time with Papa", "Herbert, Hurry Up", and "A Rootin' Tootin' Cowboy".

Jiji and her mother take Fida, their three-month-old German shepherd puppy, to his first veterinarian visit.

Have you ever wondered why wheels are round and not triangles or squares? Try this activity to learn why wheels are the shape that they are.

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.

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!

Learn about how the body processes food by following Joe's pizza lunch—from the plate to his mouth to his stomach and beyond. The nutrients from food are absorbed in the small intestine, which are delivered to rest of the body.

Did you know that spiders are not insects? Insects have only six legs but spiders have eight. Unlike insects, spiders do not have antennae. Tarantulas may look terrifying, but they are relatively harmless to humans.

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?

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?

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.