検索キーワード： 著者 "Amy Tao" すべてのカテゴリー

When a person had an infection prior to the twentieth century, they could only rely on their immune system to heal, which sometimes didn't work. This all changed when a man named Alexander Fleming discovered penicillin—entirely on accident! Thanks to Fleming, the medical field made huge advancements that have saved hundreds of lives. Learn more about Fleming's miracle mold!

Fire is what happens when you put three things together: fuel, oxygen, and heat. Using matches, a candle, and a large glass jar, you can see for yourself how these three things work together to create or destroy fire.

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".

People use different ways to stay warm in the snow, and animals have unique ways to stay warm, too! Learn how these animals keep their bodies warm in the winter weather. The muskox sheds its furry undercoat each spring and grows a new one every winter. A seal has an extra layer under its fur coat called blubber–this thick layer of fat lies under the seal’s skin and is a great way to hold heat!

Have you ever wondered how your senses work? Learn about the interesting ways your senses allow you to perceive the world around you by doing the fun tests with some friends! Learn about how your sense of smell and taste are affected by completing these fun activities!

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?

The nose helps your body do more than just sniff and smell yummy foods! Without your nose, your favorite foods won't taste as good, your lungs won't have the warm air needed to stay healthy, and germs from outside your body will have an easier route in! Did you know your body makes mucus to wash away germs that find their way in your body? Discover how fabulous your nose really is!

Did you know your eyelids close and open 10 to 20 times a minute! Your eyes have parts that work together. The pupil lets light into your eyes. The iris controls how much light gets in. The cornea, a bowl-shaped layer, covers and protects your eyeballs. Discover how hairs on your eyelashes protect your eyes from germs and dirt, and other ways your eyes help you see and keep you safe!

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.

Tiny creatures called microbes live in, and on your body that can be helpful. But some are bad like bacteria and viruses–in fact, they can make you sick! Your body needs medicine called antibiotics to fight and kill these germs so you can feel better. You must get a different medicine called a vaccine to keep from catching a virus.

Germs are everywhere and make your body sick. Never fear–the body is a germ-fighting machine designed to fight these intruders and keep you healthy. If you get a cut, blood clumps together to stop bleeding. Mucus, the sticky goo in your nose, catches germs to help you sneeze them out. Eyelashes and eyelids form tears that block some germs! Discover ways the body fights to keep germs out.

Imagine if the sunlight could not reach where you lived–the weather would be cold and slippery! The sun does not shine directly on the Arctic and Antarctica, causing the surrounding waters to freeze solid. The earth is tilted as it rotates around the sun, preventing the polar regions from getting enough sunlight. Can you guess how long it takes the earth to orbit the sun?

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.

Slither into the scaly world of the mighty python! Learn about all the parts that make the python such a strange and misunderstood creature. See how its anatomy allows it to be more than just a limbless tube-like animal! Gain knowledge about this reptile’s habits and senses.

Have you ever heard of a bug hotel? There are some insects that help plants by spreading pollen and improving the soil, but they don’t always show up in every garden. To help encourage them to move in, some gardeners build little houses for them!

Go on an adventure with Polly as she learns how to use special names to categorize shapes! Any closed, flat shape with at least three straight sides is called a polygon. Did you know a quadrilateral—or a shape with four straight sides—can have several names? You can call one a parallelogram, a rhombus, a trapezoid, or even a square! What shapes can you recognize?

When a young boy happens across a tarantula, it scares him at first! But then he and the tarantula have a conversation, and he learns about the differences between insects and spiders—like the spider’s unique body, which is comprised of a combined head/thorax, abdomen, and palps—as well as some interesting facts about other arachnids!

Do you know how many animals live in the Amazonian rainforest? Learn about the different predators and prey that coexist and depend on one another to survive. See how all life within a rainforest serves different roles and leads to a successful ecosystem.

Have you ever seen a fractal? You probably have, and just didn’t know it! These repeating shapes can happen anywhere, whether in nature or in math—it’s easy to make one out of a series of lines and triangles! Follow along and make a fractal of your own in a fun craft.

Patterns are an important and often beautiful part of our world. One such pattern is a tessellation, or a series of shapes that is arranged in a manner that repeats itself with no gaps. Learn how to make your own tessellation with a fun craft!