The Universe
The Solar System
The Earth
The Moon
100

What is the huge explosion that created the universe called?

The Big Bang

100

What galaxy is our solar system a part of?

The Milky Way

100

The Earth moves in which two different ways?

Rotation and Orbit

100

The Moon is the Earth's only what?

Satellite

200

What are big gas spheres called?

Stars

200
How many planets are in our solar system (not including Pluto the dwarf planet)?

Eight

200

What does the Earth rotate, or spin, on?

Its axis

200

What are the four phases of the Moon?

Full Moon

New Moon

Waxing Moon

Waning Moon

300

What are asteroids called when they hit a planet?

Meteorites

300

What is the biggest planet in our solar system?

Jupiter

300

What does the Earth's orbit produce?

The different seasons

300

When the Moon is a 'D' shape, it is in the ______ phase.

When the Moon is a 'C' shape, it is in the ______ phase.

When the Moon is a 'D' shape, it is in the Waxing Moon phase.

When the Moon is a 'C' shape, it is in the Waning Moon phase.

400

What are asteroids called when they vanish in the atmosphere?

Shooting Stars

400

What is the closest planet to the Sun?

Mercury

400
The geosphere is divided into what three layers?

The crust, the mantle, and the core

400

What is one consequence of light pollution?

- Energy waste

- The altering of biological cycles

- An inability to see the night skies

500

What forms stars?

The dust and gas of nebulas

500

What is the name of the famous comet in our solar system?

Halley's Comet

500

How long does the Earth's rotation take?

How long does the Earth's orbit around the sun take?

Rotation: 24 hours

Orbit: 365 days and 6 hours

500

How long does the Moon's rotation take?

How long does the Moon's orbit around the Earth take?

Both take 29 and a half days to complete.