Science E2A

A _______________ connected to a bar is a kind of simple machine.

• pulley

• wheel

• pail

• well

Each end of a magnet is called a ________________.

• pole

• north

• repel

• south

it is a force that pulls things toward Earth.

• Friction

• Force

• Position

• Gravity

The push or pull on an object.

• Position

• Force

• Poles

• Speed

It is a kind of energy that moves along a path.

• Current electricity

• power plant

• circuit

• Static electricity

Forces can make things __________________.

• speed up

• slow down

• change direction

• rewind

It is harder to move something over a rough surface than over a ___________ one.

• smooth

• shiny

• rough

• skinny

Some things move fast. Some things move ________________.

• backward

• slowly

• faster

• forward

It is a kind of energy made by tiny bits of matter.

• electric kettle

• current electricity

• Static electricity

• no electricity

A kind of energy that we can hear.

• Fuel

• Circuit

• Sound

• Light