Earth Science Pre-Test

Gravity and inertia keep Earth moving around the sun it its ___________.

• asteroid
• galaxy
• orbit
• tide

A huge collection of billions of stars is called a(n) ________________.

• moon
• nebula
• galaxy
• asteroid

The rise and fall of the ocean's surface is called the ____________.

• lunar eclipse
• nebula
• rotation
• tide

Earth completes one ____________ in 365 days.

• Rotation
• Revolution
• moon
• Jupiter

A light year is __________________.

• How long it takes to get to the moon.
• The distance that light travels in a year.
• The distance sounds travels in an hour.
• The same thing as miles per hour.

Patterns in the stars are called ______________.

• Galaxies
• Constellations
• Black holes
• Nebulas

All stars form out of a __________.

• Planet
• Supernova
• Sun
• Nebula

A mixture of frozen gases, ice, dust, and rock that orbits the sun is _____________.

• a comet
• a planet
• a meteor
• If you pick this answer, you are wrong!

An instrument that makes distant objects seem larger and nearer is called a _______________.

• Microscope
• Telescope
• Space ship
• Eclipse

Jupiter, Saturn, Uranus & Neptune are known as the inner planets.

• True
• False