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A laboratory is a place for experiments and research. The International Space Station (ISS) is a space laboratory. Astronauts live and work there. They come from many countries. Round and Round The ISS is 250 miles from Earth. It travels…
Christina Koch is an astronaut. She worked at the International Space Station. Her mission lasted 328 days. Here is how she spent her time. Researching Koch did science experiments. She tested robots. She studied how vegetables grow in space. Making…
Winter is the coldest season. Watch out for ice! Ice covers trees. It makes the ground slippery. Read on to learn more about icy weather. Ice and Snow Water freezes in the clouds. It turns into ice crystals. They fall…
Researchers recently studied the bond between kids and animals. They recruited 30 children and their dogs. The kids brought their dogs to a large, empty room. The kids walked around the space. Sometimes, they paused or changed direction. “The…
1. Egg Female frogs lay eggs. Tadpoles hatch from these eggs. It takes one to three weeks for the eggs to hatch. 2. Tadpole A tadpole is born with a tail but no legs. The tadpole lives in…
Look up at the night sky. If it is clear, you’ll see stars. You might see just one or two. Or you might see stars filling the sky. Let’s learn about them. Twinkle, Twinkle Stars are bright balls of hot…
A group of stars is called a constellation. The shape seems to form a picture. Here are four constellations. Have you seen them in the night sky? Scorpius is one of the brightest constellations in the sky. It looks like…
Look at the diagram. It shows the different parts of an eye. The parts work together to help a person see. The CORNEA has no color. It is clear. Light hits the cornea first. The IRIS is the colored part…
There is a big difference between a rainforest and a desert. Water! Water makes a rainforest wet and green. But a desert gets very little water. That is why it is dry. Read on to compare these two habitats. The…
Energy makes things work, grow, and move. It is passed from one person or thing to another. Energy can come from many different places. Ready to power up? Read on to learn more about energy. Move It to Use It …