Solar System Test Review

Which statement best describes both models?

• Model X is the heliocentric model in which Earth is the center of the solar system; model Y is the geocentric model in which the Sun is the center of the solar system.

• Model X is the geocentric model in which the Sun is the center of the solar system; model Y is the heliocentric model in which Earth is the center of the solar system.

• Model X is the heliocentric model in which the Sun is the center of the solar system; model Y is the geocentric model in which Earth is the center of the solar system.

• Model X is the geocentric model in which Earth is the center of the solar system; model Y is the heliocentric model in which the Sun is the center of the solar system.

Which of the following statements describes a belief of those who supported the geocentric theory of the solar system?

• Planetary orbits are elliptical

• Stars revolve around the Sun

• The Sun revolves around Earth

• The stars and planets evolve over time.

Scientists believe that before the Solar System formed, it was a nebula, or cloud of gas and dust, which slowly began to become concentrated and rotate.

Which force is responsible for causing the formation of the Solar System?

• electricity

• friction

• gravity

• magnetism

As seen from Earth, the appearance of the Moon changes throughout the month. What causes the appearance of the Moon to change?

• Earth rotating on its axis
• the Moon rotating on its axis
• Earth revolving around the Sun
• the Moon revolving around Earth

Where do most asteroids exist? 

• Near Earth
• Near Pluto
• Spread evenly throughout the Solar System
• In asteroid belt

Which is not an inner planet? 

• Venus
• Jupiter
• Mars
• Earth

Why is Pluto no longer considered a planet?

• It is too small
• It is too far from the Sun
• It is too hot
• It is too cold

What are the terrestrial planets

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Earth, Mars, Jupiter, Saturn

• Uranus, Neptune, Mercury, Venus

What are the four outer planets?

• Mercury, Venus, Earth and Mars

• Jupiter, Saturn, Uranus, Neptune

• Earth, mars, Jupiter, Saturn

• Uranus, Neptune, Mercury, Venus

What is the name of a model of the solar system in which Earth and the other planets revolve around the sun?

• Solcentric

• Heliocentric

• Macrocentric

• Geocentric