science and Technology

What is a shadow?


Shadows are formed when light hits an object it cannot travel through. When you see your own shadow on a sunny day, your body has blocked light from the sun. Light travels in straight lights and so cannot bend around your body, which is why you see a shadow.

Shadows change shape during the day as the position of the sun changes in the sky.

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In the morning and evening when the sun is low shadows are longer than when the sun is high in the sky!

Uses of shadows

Sundials have an arm which forms a shadow. The shadow of the sundial arm changes position as the Earth turns throughout the day. They can be used to tell the time!

Learn about shadows with one of my easy shadow crafts or investigations! You can make shadow puppets, a sundial of your own, fun shadow frame, draw around shadows and lots more!

Last Updated on September 13, 2022 by Emma VanstoneThe post What is a shadow? appeared first on Science Experiments for Kids.