Question 1

What is light?

Accepted Answer

Light is a type of energy that we can see. It's what lets us see the world around us when it's not dark.

Question 2

How does light travel?

Accepted Answer

Light travels in straight lines really fast, like a super speedy race car. It can move from one place to another very quickly.

Question 3

What are colors?

Accepted Answer

Colors are how our eyes see different kinds of light. For example, when light looks red or blue, it's because of the way that particular light reaches our eyes.

Question 4

Why is the sky blue?

Accepted Answer

The sky looks blue because sunlight hits the air and spreads out. The blue part of the light scatters more, making the sky appear blue to us.

Question 5

What happens when light hits a mirror?

Accepted Answer

When light hits a mirror, it bounces back, just like a ball bouncing off a wall. That's why we can see ourselves in mirrors.

Question 6

How do glasses help people see better?

Accepted Answer

Glasses help focus light into our eyes the right way so we can see things clearly. It's like using binoculars to make faraway things easier to see.

Question 7

What is a shadow?

Accepted Answer

A shadow is a dark shape made when something blocks light. No light gets through, so the area behind the object stays dark.

Question 8

Why do we need light to see?

Accepted Answer

We need light because it helps our eyes see the things around us. Without light, everything would look dark, and we wouldn't be able to tell what things are.

Question 9

What are rainbows?

Accepted Answer

Rainbows happen when sunlight breaks into different colors in the sky, usually when it rains. Water droplets act like tiny prisms that scatter the light.

Question 10

What does an eye do?

Accepted Answer

Our eyes are like cameras that let us see. They catch pictures of everything around us and send them to our brain to understand.

Question 11

How do animals see in the dark?

Accepted Answer

Some animals can see in the dark because they have special eyes that work well with little light. They are like nature's night vision goggles!

Question 12

What is a lens?

Accepted Answer

A lens is a piece of clear material that can bend light. It's used in things like glasses and cameras to help focus pictures and make them clear.

Question 13

Why do stars twinkle?

Accepted Answer

Stars twinkle because their light has to pass through the air, which isn't always still. The moving air makes the light seem to jump around, like twinkling.

Question 14

What is reflection?

Accepted Answer

Reflection is when light bounces off a surface and changes direction. This is why we can see things in mirrors or on still water.

Question 15

What is refraction?

Accepted Answer

Refraction happens when light bends as it passes from one thing, like air, into another, like water. This bending can make objects look bent or broken.

Question 16

Why do we squint when it's too bright?

Accepted Answer

We squint to let less light into our eyes. It helps protect our eyes from too much brightness, like wearing a hat in the sun.

Question 17

Why does light take time to travel?

Accepted Answer

Light is super fast, but everything that moves takes some time. Even though it's really quick, it still takes a bit of time to get from one place to another.

Question 18

What is a prism?

Accepted Answer

A prism is an object that can split light into the colors of a rainbow. When light goes through, it bends and shows all the colors.

Question 19

How do eyeglasses work?

Accepted Answer

Eyeglasses have special lenses that change the way light enters your eyes. They help your eyes focus better so you can see clearly.

Question 20

Why can't we see in the dark?

Accepted Answer

We can't see in the dark because there's no light for our eyes to catch. Without light, everything is just black to us.

The Art and Science of Optics: Understanding Light and Vision - 20 FAQs Explained Simply