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We can learn about the world around us by taking measurements. Different tools help us make different kinds of measurements. Here are a few tools for measuring. Thermometer A thermometer measures temperature. It tells us how hot or cold something…
Brr! We wear warm clothing in winter. When it’s cold, we light a fire. Animals also find ways to stay warm in winter. Grizzly bears hibernate. They spend the winter sleeping. The bear’s body temperature drops. A bear doesn’t need…
There are many volcanoes around the world. They can be dangerous. Researchers study volcanoes. A volcano is a mountain. There is magma underneath it. Magma is hot liquid rock. It bursts out of the mountain as lava. Volcanoes can erupt.…
Peggy Whitson is an astronaut. She works for NASA. She loves science. Peggy traveled to space three times. Life in space is different from life on Earth. Find out about Peggy's life in space. She orbited. Peggy lived here when…
Peggy Whitson is an astronaut. She works for NASA. She loves science. Peggy traveled to space three times. Life in space is different from life on Earth. Find out about Peggy’s life in space. She orbited. Peggy lived here when…
Fall is a season of changes. In most parts of the country, the weather changes. It gets colder. Plants and animals change, too. They get ready for winter. Some animals collect food. Squirrels gather acorns. They will eat the…
Water is important to our lives. We use it every day in many ways. Read about some of the ways we use water. Find out why we need it. How do you and your community use water? Water helps us…
A butterfly passes through four stages of life. At each stage, it looks different. 1. Egg A female butterfly lays an egg on a leaf. The egg is small and round. A special glue sticks it to the leaf. After…
Do you have plants in your home or garden? Plants are all shapes and sizes. They are important for people and animals. They make our lives better in many ways. How do plants help us? Read to find out! Plants…
Sylvia Earle is a scientist. She has spent many years studying oceans. She loves to learn about plants and animals that live underwater. She works to keep the oceans clean. She protects the animals that live there. Ocean Explorer Earle…
