Test 1 Review (VOCAB) QTR.1

Front

Time for Earth to complete a rotation (24 hours); causes day/night.

Back

rotation

Front

Imaginary line through Earth's center, North & South poles.

Back

axis

Front

Instrument showing direction using a magnet for North (N,E,S,W).

Back

compass

Front

A dark area caused by an object blocking light.

Back

shadow

Front

Earth is dark when facing away from the sun.

Back

true

Front

Path an object takes revolving around another in space

Back

orbit

Front

Bowl-shaped indents on a planet's surface from collisions.

Back

Crater

Front

A natural satellite that orbits a planet.

Back

moon

Front

Star at the center of our Solar System, providing heat and light, and keeping the system in orbit.

Back

Sun

Front

A planet in our Solar System with life.

Back

Earth