Balance

What happens when you put twice as much weight on one side of a balance meter stick?

• It breaks.

• It spins around.

• It becomes unbalanced.

• It stays balanced.

Why does a domino fall over when pushed past its corner?

• It loses its color.

• Its center of gravity moves past the base.

• It becomes heavier.

• It gets stuck.

What helps humans keep their balance?

• Only their ears.

• Only their eyes.

• Their eyes, inner ear, and muscle sensors.

• Only their feet.

What is a counterbalance?

• A type of bicycle.

• A tool for measuring weight.

• A force that opposes another force to create balance.

• A force that makes things fall.

Why do people carry heavy things on their heads?

• To look taller.

• To keep the center of gravity in a straight line.

• To show off their strength.

• To make it harder to walk.