Test 1 Review (VOCAB) QTR.1

time it takes the Earth to make a complete rotation on its axis (24 hour period). The reason we have day/night.

• axis

• revolution

• rotation

• compass

An imaginary line that passes through Earth's center and the North and South poles.

• shadow

• axis

• compass

• rotation

an instrument that shows direction and uses a small magnet to show North. (N,E,S,W)

• axis

• magnet

• solar noon

• compass

a dark area caused when a object blocks light falling on a surface

• sundial

• solar noon

• shadow

• day/night

Earth faces away from the sun and is dark is considered night time.

• true

• false

the path one object takes as it revolves around another object in space

• revolve

• rotate

• orbit

• sundail

bowl-shaped indents or cavities on the surface of a planet that are caused by a collision with another object

• moon

• sun

• crater

• orbit

a natural satellite that orbits a planet

• sun

• Earth

• moon

• craters

The star at the center of our Solar System and supplies heat and light to Earth. Its gravity keeps the system in orbit

• Earth

• Moon

• Sun

• Axis

A planet in our Solar System that has life on it.

• Sun

• Moon

• Earth

• Gravity