Vocabulary
Earth's Relationships
More Earth
100

The imaginary line that goes through the center of an object

axis

100

Earth takes this many days to do one revolution.

About 365 days or 1 year

100

Does the sun move around the sky?

No, it appears to but it is Earth that is moving.

200

when a planet, moon, or star spins around their axis

rotation

200

Earth's rotation last  _____    ___ hours

about 24 hours

200

True or False: Earth is a hot ball of gas

False; the sun is

300

the movement of an object around another object

revolution
300
What is the center of our universe?

The Sun

300

What causes the pattern of night and day?

Earth's Rotation

400

The path an object takes

orbit

400

a pattern of stars in the night sky are known as _____.

constellations

400

Other than night and day, what other evidence exists that Earth is moving?

Lunar / Solar Eclipses or Phases of the Moon

500

an effect

impact

500

Can you see the same constellations all around the world?

No, you cannot.

500

The moon goes through different ______, which can be observed from Earth over a period of 29 days.

Phases