Understanding Shadows

Hello, Shadow! Let's Play!

Have you ever noticed a dark shape that follows you around on a sunny day? That's your shadow! Think of your shadow as your secret twin who loves to play hide-and-seek with the light. But how does it appear? Let's find out, super scientist!

Light travels in a straight line, like a super-fast race car. When something gets in its way—like YOU!—the light can't pass through. The dark spot behind you, where the light is blocked, is what we call a shadow.

Let's Be Shadow Detectives!

Ready for a fun mission? You can make your own shadows right at home! All you need is a light source (like a flashlight) and some objects.

• Step 1: In a slightly dark room, turn on your flashlight. This is your light source, just like the sun!
• Step 2: Grab a fun toy, like a dinosaur or a car. This is your object.
• Step 3: Hold the toy in front of the flashlight beam. Wow! Look at the shadow it makes on the wall or floor.
• Step 4: Try different toys! Does a tall block make a tall shadow? Does a round ball make a round shadow? You're a shadow expert!

Why Is My Shadow a Shape-Shifter?

Have you noticed your shadow changes size during the day? That's because our main light source, the Sun, moves across the sky!

In the morning and evening, the Sun is low in the sky. This makes your shadow super long and stretchy. But at midday, when the Sun is high above you, your shadow becomes very short and small, hiding right beneath your feet!