# Energy and Magnets

## 10 terms

### Energy

is useable power.

### Matter

is anything that has mass and takes up space.

### Force

something that makes an object move or change direction.

### Friction

resistance to movement produce when two objects are in contact with each other; the soft grass creates friction that slows down the ball.

### Push

a force that moves something away from you; pushing the shopping cart makes it move.

### Pull

a force that moves something closer to you; pulling the toy makes it move.

### Gravity

an invisible force that pulls objects toward the center of the Earth; gravity pulls you down a slide.

### Lever

a simple machine made from a bar that pivots on a fixed point; it is used to move heavy objects.

### Pulley

a simple machine made from a rope or cable running over a wheel; it is used to lift heavy objects.

### Inclined Plane

a flat surface, such as a ramp, that is set at an angle; inclined planes are simple machines that make sliding or movingt an object easier.