What is the natural satellite that orbits Earth?
The Moon
I have cities but no houses, forests but no trees, and rivers but no water. What am I?
A map
Why can’t scientists trust atoms?
Because they make up everything!
Two identical shirts are left in the sun, one black and one white. Which one gets hotter faster?
The black shirt
Why did the cookie go to the doctor?
Because it felt crummy
What is the process by which plants make their own food?
Photosynthesis
The more you take, the more you leave behind. What is it?
Footsteps
Why was the math book sad?
Because it had too many problems
Why can astronauts jump higher on the Moon than on Earth?
Because the Moon has less gravity
Turn me on my side and I am everything. Cut me in half and I am nothing. What am I?
The number 8
At what temperature does water freeze?
0°C (32°F)
A doctor gives you 3 pills and tells you to take one every 30 minutes. How long will it take to finish all the pills?
1 hour
Which science is the cleanest?
Chemistry — because it uses lots of solutions
What happens to a plant left in a dark room for a long time?
It cannot photosynthesize and becomes weak
What did one wall say to the other wall?
I’ll meet you at the corner
What is the largest organ in the human body?
Skin
Which month do people sleep the least?
February
Why did the electron go to school?
To become positive
What happens if you push a ball in space?
It keeps moving unless another force acts on it
Why are ghosts bad liars?
Because you can see right through them
Which planet is known as the “Red Planet”
Mars
What can be broken without being touched?
Silence
Why did the physics teacher break up with the biology teacher?
There was no attraction
Why does a balloon inside a closed bottle expand on top of a mountain?
Because air pressure decreases
Why did the bicycle fall over?
Because it was two-tired