Solar System Unit Review

Question 1

The force of gravity DECREASES with a planet's

Accepted Answer

distance from an object

Question 2

A heavily cratered planet is

Accepted Answer

Mercury

Question 3

Which is a characteristic of the outer planets?

Accepted Answer

rings

Question 4

In which galaxy is our solar system located?

Accepted Answer

Milky Way Galaxy

Question 5

Which is the largest planet in the solar system?

Accepted Answer

Jupiter

Question 6

A period of rotation is the same as a planet's _____________.

Accepted Answer

day

Question 7

Which has a large ring system?

Accepted Answer

Saturn

Question 8

The sun gets its energy from continuous __________.

Accepted Answer

explosions

Question 9

Olympus Mons is found on

Accepted Answer

Mars

Question 10

A period of revolution is the same as a planet's _________.

Accepted Answer

year

Question 11

Which is a property of the inner planets?

Accepted Answer

dense

Question 12

What is unusual about the Sun's rotation?

Accepted Answer

its poles and center rotate at different speeds

Question 13

Which of the following is a characteristic of the outer planets?

Accepted Answer

spaced far apart

Question 14

The planet which according to size could be considered Earth's twin is

Accepted Answer

Venus

Question 15

A heliocentric model of the solar system put the _____________ at the center of the universe.

Accepted Answer

sun

Question 16

A loop of relatively cool gas is a

Accepted Answer

prominence

Question 17

The sun and the outer planets are mostly compose of . . .

Accepted Answer

hydrogen & helium

Question 18

The inner and outer planets can be grouped into two categories based on their properties.

Accepted Answer

True

Question 19

Which planet has a red surface?

Accepted Answer

Mars

Question 20

Which is a property of outer planets?

Accepted Answer

gaseous

Question 21

Which planet has a blue-green color because of the methane in its atmosphere?

Accepted Answer

Neptune

Question 22

The force that keeps the Earth in orbit around the sun is _____________,

Accepted Answer

gravity

Question 23

A small body made of ice, rock & dust that creates a tail when it get close to the sun.

Accepted Answer

comet

Question 24

Which planet orbits around the Sun on its side?

Accepted Answer

Uranus

Question 25

True or False: A planet's atmosphere has no effect on its temperature.

Accepted Answer

False

Question 26

Almost all the energy used on Earth comes from ___________.

Accepted Answer

the sun

Question 27

The astronomer who first thought the Sun was the center of the galaxy was

Accepted Answer

Aristarchus

Question 28

Our solar system is on what "arm" of our galaxy?

Accepted Answer

Orion

Question 29

The astronomer who discovered that the planets orbited the Sun in an elliptical orbit was

Accepted Answer

Kepler

Question 30

An Astronomical Unit is the distance

Accepted Answer

between Earth & the Sun

Question 31

The Sun's energy is produced by

Accepted Answer

fusion

Question 32

Name the planet 5th from the Sun

Accepted Answer

Jupiter

Question 33

Which is a property of inner planets?

Accepted Answer

rocky

Question 34

Which planet is very far from the Sun and very far from other planets?

Accepted Answer

Uranus

Question 35

Dark areas that form on the surface of the Sun are

Accepted Answer

sunspots

Question 36

The visible surface of the Sun is the

Accepted Answer

photosphere

Question 37

The astronomer who made significant advances in the design of the telescope was

Accepted Answer

Galileo

Question 38

A planet's gravitational pull will INCREASE with

Accepted Answer

planet mass

Solar System Unit Review

Questions 38

Solar System Unit Review

Questions 38