Science
Math
Advanced Science/Math
Fun Riddles!
Engineering
100

What do plants need from the sky to grow?

Sunlight

100

What is 8+4?

12

100

What is 15+12?

27

100

I have hands but can't clap. I help you know when it's time for lunch. What am I?

Clock

100

The blocks that help you create a program. (Hint: What is this place?)

Code

200

Water turns to this. (Bonus +100 points if you can name the 3 states of water)

Ice 

Bonus: Water, ice, gas (watervapor)

200

How many sides does a pentagon have?

5

200

An animal that only eats plants is called this.

Herbivore
200

I have keys but no locks. I have a screen but no TV. You use me to code. What am I?

Computer

200

This tiny part can make something light up or move.

Battery

300

This force keeps us on the ground.

Gravity

300

What is 3x7?

21

300

The path Earth follows around the Sun is called an...

Orbit

300

I get wetter the more I dry. What am I?

towel

300

When you find and fix a mistake in your code, you are doing this.

Debugging/finding the bug

400

This tool helps scientists look at tiny things that are too small to see with just your eyes.

Microscope

400

This shape has six sides.

Hexagon

400

Which organ(body part) pumps blood through the body?

Heart

400

I'm full of letters but I'm not a book. What am I?

mailbox

400

A person who designs and builds things is called this.

Engineer

500

This planet is called the red planet. 

Mars
500

What is 54 divided by 6?

9

500

What number comes next in the sequence? 2,4,8,16, __.

32

500

I have many colors and appear after rain. You can see me in the sky. What am I?

Rainbow

500

Engineers use this skill when they think of new ways to solve problems.

Creativity

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