Science 6 Review 3QA

Energy of motion.

• motion

• potential energy

• kinetic energy

• inertia

The energy stored in an object that is not moving.

• potential energy

• kinetic energy

• unbalanced force

• mass

Forces that are not equal.

• unbalanced

  force

• mass

• force

• balanced

  force

A force that causes something to move away.

• pull

• kinetic energy

• push

• speed

A force that causes something to move closer.

• movement

• pull

• contact

• push

A change in position or location.

• movement

• inertia

• mass

• potential

  energy

How an object moves from one place to another.

• movement

• mass

• motion

• speed

A push or pull.

• force

• mass

• contact

• inertia

The force that makes objects fall down

• friction

• tension

• normal

• gravity

At the pier, ships unload big crates. Which of these simple machines should the men use to lessen the burden of carrying them?

• pulley

• lever

• wheel and axle

• wedge