Science
Riddles
Science
Riddles
Science
100

What is the three states of matter?

Gas, liquid, solid.

100
If you feed it, it lives. If you water it- it dies. What is it?

Fire.

100

How do plants make their food? Hint: A process.

Photosynthesis.

100

What runs around the whole yard without moving?

A fence.

100

A Caterpillar grows up and changes into?

A butterfly.

200

What is the closest planet to the sun?

Mercury.

200

An electric train is going north at 100 miles per hour. The wind is coming from the east at 15 miles per hour. At what direction is the smoke going?

There is no smoke.

200

What organ pumps blood in the human body?

The heart.

200
Three crocodiles eat three fish in five minutes. How long will it take twenty crocodiles to each twenty fish?

Five minutes.

200
The animals which eat meat are known as?

Carnivores.

300

All animals need food, air, and _____ to survive. Fill in the blank.

Water.

300

What goes up but never comes back down?

Your age.

300

What are clouds made up of?

Water or water vapor

300

What can you catch but not throw?

A cold.

300

What covers most of the Earth's surface?

Water.

400

What is the largest known land animal that is still alive?

An elephant.

400

It's as light as a feather, but the strongest person can't hold it more than five minutes. What is it?

Breath.
400

What type of gas do plants produce? Hint: We breathe it. 

Oxygen or O2

400

What gets more wet while it dries?

A towel.

400

Our Milky Way Galaxy has the shape of which food snack?

A donut.

500

Who developed Newton's laws of motion?

Isaac Newton

500

Billy's mother had five children. The first was named Lala, the second was named Lele, the third was named Lili, the fourth was named Lolo. What was the fifth child named?

Billy.

500

What is the hottest planet in the solar system?

Venus.

500

If a bother, his sister, and their dog weren't under an umbrella, why didn't they get wet?

It wasn't raining.

500

The moon borrows light from which star?

The sun.

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