Solar System Unit Review

Multiple Choice

The Solar System consists of

• The Sun, Earth, and the Moon

• The Sun and the other stars

• The Sun and space rocks.

• The Sun,moon, Earth, other planets and their moons, meteors, asteroids, and comets

Multiple Choice

Moons are a natural ______.

• satellite
• planet
• star
• comet

Multiple Choice

A description of the solar sytem in which all of the planets revolve around Earth.

• Heliocentric Model
• Geocentric Model
• Revolution Model

• Universe Model

Multiple Choice

Comets are made of _______ and _______.

• Ice and Rock
• Grass and ice

• Fire and Ice
• Water and Air

Multiple Choice

This is also known as a "dirty snowball."

• Comet
• Asteroid
• Meteor
• Planet

Multiple Choice

Most asteroids are found in the ________.

• Kuiper Belt
• Earth's atmosphere

• Asteroid Belt
• Outerspace

Multiple Choice

Meteoroids are _______ and ______.

• hot and heavy
• small and gaseous

• rocky and metallic

• light and slow

Multiple Choice

A meteor is commonly called _________.

• a shooting star
• a comet
• a planet
• a galaxy

Multiple Choice

A ___________ is a celestial body that revolves around another, larger celestial body.

• satellite

• star
• galaxy
• comet

Multiple Choice

How many moons does Earth have?

• Two
• Three
• Four
• One

Multiple Choice

The closest planet to the Sun is _______.

• Earth
• Mars
• Mercury
• Venus

Multiple Choice

This planet spins on its side, like a ball rolling across the floor.

• Venus
• Mars
• Uranus
• Jupiter

Multiple Choice

This planet is the largest planet in our solar system.

• Earth
• Mars
• Jupiter
• Venus

Multiple Choice

This is the only planet known to have life.

• Mars
• Jupiter
• Venus
• Earth

Multiple Choice

This planet is known as the "Red Planet" due to the iron and rust in the soil.

• Venus
• Jupiter
• Mars
• Saturn

Multiple Choice

This planet is known for having the Red Spot- a huge storm.

• Mars
• Venus
• Jupiter
• Saturn

Multiple Choice

The temperature on the planets becomes __________ the further away they get from the Sun.

• hotter
• colder
• unchanged
• random

Multiple Choice

The four inner planets are known as the _____________________.

• Terrestrial Planets
• Gas Giants
• Ice Giants
• Dwarf Planets

Multiple Choice

The four outer planets are known as the ___________ and ___________ giants.

• Gas and Ice
• Rock and Gas
• Ice and Rock
• Gas and Water

Multiple Choice

Our understanding of the universe was developed over _________.

• lunch

• the internet

• distance

• time

Multiple Choice

A planet _______ on its axis.

• runs
• jumps
• swims
• rotates

Multiple Choice

There are ______ planets in our solar system.

• 8
• 9
• 10
• 11

Multiple Choice

______ is the force that keeps the planets in motion around the sun.

• Gravity
• Magnetism
• Friction
• Inertia

Multiple Choice

Heliocentric means that the __________ is at the center of our solar system.

• Moon
• Earth
• Mars
• Sun

Multiple Choice

Pluto is considered a ____________.

• Planet
• Star
• Galaxy
• Dwarf Planet

Multiple Choice

The asteroid belt is located ____________.

• Between Mars and Jupiter
• Between Earth and the moon.

• Between Jupiter and Saturn
• Past neptune.

Multiple Choice

The "gas" planets are _______.

• Mercury, Venus, Earth, and Mars.

• Jupiter, Saturn, Uranus, and Neptune

• Uranus, Neptune, and Pluto
• Comets, asteroids, and meteors.

Multiple Choice

The outer planets are _________ compared to the inner planets.

• smaller
• closer to the sun
• rockier

• larger

Multiple Choice

The movement of the Earth around the Sun is called a

• Rotation
• Revolution
• Orbit
• Eclipse

Multiple Choice

It takes _______ Earth days to orbit the sun.

• 365
• 200
• 100
• 500

Multiple Choice

The North Pole always points toward what heavenly body?

• The Moon

• The Sun

• Polaris, the North Star

• Jupiter

Multiple Choice

What is the force that keeps Earth in motion around the sun?

• Gravity
• Magnetism
• Friction
• Inertia

Multiple Choice

The "rocky" planets are

• Mercury, Venus, Earth, Mars
• Jupiter, Saturn, Uranus, Neptune
• Pluto, Eris, Haumea, Makemake
• Venus, Saturn, Uranus, Neptune