Brain Teaser

I have seas without water, coasts without sand, towns without people, and mountains without land. What am I?

A man shaves several times a day but still has a beard. Who is he?

The more of this there is, the less you see. What is it?

I am a three-digit number. My second digit is 4 times bigger than the third digit. My first digit is 3 less than my second digit. Who am I?

I have a nucleus but no brain. What am I?

• A cell

• A neuron

• A computer

• A planet

Tags

NGSS.MS-LS1-2

What is the powerhouse of the cell?

• Nucleus

• Mitochondria

• Ribosome

• Chloroplast

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

I can be cracked, made, told, and played. What am I?

• A joke

• A code

• A puzzle

• A game

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

I am a gas essential for human survival but I am not visible. What am I?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Helium

What is the speed of light in a vacuum?

Tags

NGSS.HS-PS4-1