Solar System Objects
Learning About the Universe
Galaxies
Planets
Vocabulary
100

What three objects make up the Sun-Moon-Earth system?

Sun-Moon-Earth

100

Tides on Earth are mostly caused by the gravitational pull of

  1. The Sun

  2. The Moon

  3. Stars

  4. Asteroids

The Moon

100

Astronomers define this as all of space and everything in it

The universe

100

Neptune, Uranus, Saturn, Jupiter

100

This is how long it takes for light to travel in a year

a Light-year

200

Our gas giants have these around them and are made up of small dust particles to very large chunks of ice and dust.

Rings

200

Which is most likely when comparing X and Y?’

  1. Planet X has a weaker gravity than Y

  2. X has shorter years than Y

  3. X has shorter days than Y

  4. X rotates faster than Y

X has shorter years than Y

200

Our Milky Way is this type of galaxy

A spiral

200

Which planets are X and Y?

  1. X is Venus and Y is Mars

  2. X is Mars and Y is Venus

  3. X is Mercury and Y is Mars

  4. X is Mars and Y is Mercury

X is Mars 

Y is Mercury

200

This is what holds everything in orbit in our solar system

The sun

300

What is the station that is used to study space and is used by multiple nations?

International Space Station

300

Which of the following helps keep the moon in its orbit?

  1. Gravity

  2. Longitude

  3. Latitude

  4. Friction

Gravity

300

This type of galaxy is how the orbit of Earth is

Elliptical

300

What celestial object is the X? 

A)Saturn          B)The Moon          C)The Sun

The Sun

300

This is a group of single stars, star systems, star clusters, dust, and gas bound by gravity. (HINT: We live in the Milky Way, and it is a spiral one of these.)

A galaxy or galaxies

400

What can be used more than once to explore outer space?

A) Orbiter

B) Space Shuttle

C) Satellite 

B) Space Shuttle

400

This is the most famous of all our comets

Halleys comet

400

This galaxy is not regular but...

Irrregular

400

What planet is known as the red planet?

Mars

400

What is the measurement from the center of the Sun to the center of the Earth?

An astronnomical unit

500

An Astronaut collected rocks from the moon. How would the weight and mass of the rocks on Earth compared to the moon?

  1. The weight would be the same, but the mass would be different

  2. The mass would be the same, but the weight would be different

  3. The weight and mass would both be different

  4. The weight and mass would both be the same

The mass would be the same, but the weight would be different

500

What type of fusion happens in the Sun?

Nuclear fusion

500

This type of galaxy is young and has black holes at its center.

Quasar

500

What planet has phases like our moon?

Venus

500

What is the length of a wave from crest to crest?

a wavelength

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