Wonderful whys · 42/50 · Ages 8–10
A rainbow without crayons
Free · No ads · No behavioral tracking. No account needed; progress stays in this browser. Privacy for families
Rabbit sees a rainbow after rain and wonders where the crayons went. Sunlight and water droplets can create the colors without anyone drawing them.
What you will discover
- Sunlight bends, reflects inside droplets, and separates into colors.
- You often see a rainbow when sunlight reaches droplets opposite the Sun from your viewpoint.
English vocabulary
- rainbow
- cầu vồng
- drop
- giọt
Let’s play
Which pair helps make a rainbow?
- Sunlight and water droplets
- Crayons and clouds
- Only darkness
See the explanation
Droplets change the direction of sunlight and separate its colors.
Practise touch typing
Place your hands on F and J and type this sentence using ten fingers.
Sunlight and water drops can make a rainbow.
Two little quiz questions
1. Is a rainbow a solid bridge you can walk across?
- No, it is an effect of light
- Yes
- Only for foxes
Answer and explanation
No, it is an effect of light. The colored arc is light reaching your eyes.
2. What is inside white sunlight?
- Many colors
- Only green
- Tiny crayons
Answer and explanation
Many colors. A rainbow separates some of those colors.
Read more with an adult: NASA: Rainbows and sunlight activity