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

Fill in the Blank

Name the four inner planets in order from the sun

Fill in the Blank

Name the four outer planets in order from the sun.

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