SPACE review

Planets have different temperatures

The outer planets are _____ than the inner planets

• colder
• hotter
• warmer
• smaller

The outer and inner planets are different in many ways

The outer planets have a longer ______than the inner planets.

• revolution

• atmosphere
• moon

• rocks

Planets don't drift away because:

The ______force pulling a planet toward the Sun is equal and opposite to the force of inertia pulling a planet away from the Sun

• Gravitational

• Frictional

• Centrifugal

• Magnetic

Planets don't drift away because:

The gravitational force pulling a planet toward the Sun is equal and opposite to the force of _____ pulling a planet away from the Sun

• inertia
• repulsion

• gravity
• centrifuge

What has more mass, the sun or Earth?

• The sun by a lot

• The Earth by a lot

• The sun by a little

• The Earth by a little

What's the best way to teach a 4th grader what orbits what in space?

• The object that's most massive will have the greatest gravity, making the less massive object to orbit around it.

• The object that's least massive will have the least gravity, making the less massive object to orbit around it.

• The object that's least massive will have the greatest gravity, making the most massive object to orbit around it.

What is in the CENTER of our solar system?

• Mars
• Mercury
• Venus
• Sun

What is the order of the planets in our solar system?

• Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Mercury, Venus
• Mars, Jupiter, Saturn, Uranus, Neptune, Mercury, Venus, Earth
• Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Mercury
• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Neil Armstrong landed on the moon during what missions?

• Apollo

• Soviet

• Cosmonaut

• SpaceX

The asteroid belt is located in between Mars and Jupiter.

The asteroids can only be pulled out of the asteroid belt by a single method, which is:

• gravitational pull of a planet that is close

• gravitational pull of a planet that is far

• inertia pull of a planet that is close

• inertia pull of a planet that is far