Unit 4 - The Solar System

Question 1

a star together with planets revolving around it

Answer 1

solar system

Question 2

inner four, made of rock and metal

Answer 2

terrestrial planets

Question 3

the path that a planet takes around its sun

Answer 3

orbit

Question 4

the movement of a planet around its axis

Answer 4

rotation

Question 5

the first man to accurately describe our solar system

Answer 5

Copernicus

Question 6

the imaginary rod through the center of a planet

Answer 6

axis

Question 7

from Greek, meaning “wandering”

Answer 7

planet

Question 8

outer four, made of hydrogen and helium

Answer 8

gaseous planets

Question 9

from Latin, meaning “weight” or “heaviness”

Answer 9

gravity

Question 10

the movement of the planets around the sun

Answer 10

revolution

Question 11

It’s atmosphere traps hear, causing a greenhouse effect

Answer 11

Venus

Question 12

It contains the most violent weather in the solar system.

Answer 12

Saturn

Question 13

The tilt of this planet’s axis causes four seasons

Answer 13

Earth

Question 14

Its color appears red because of iron in the soil

Answer 14

Mars

Question 15

This planet was discovered by mathematical calculation

Answer 15

Neptune

Question 16

It is the largest planet in our solar system.

Answer 16

Jupiter

Question 17

It rotates on its side like a rolling ball

Answer 17

Uranus

Question 18

It is the most distant planet that can be seen without a telescope.

Answer 18

Saturn

Question 19

This planet has no moons, rings, or atmosphere.

Answer 19

Mercury

Question 20

This planet and Venus are the only two that rotate counterclockwise.

Answer 20

Uranus

Question 21

It is sometimes called the “Morning Star” or “Evening Star.”

Answer 21

Venus

Question 22

This planet’s most prominent feature is the Great Red Spot.

Answer 22

Jupiter

Question 23

Calorie Basin, the largest crater, is located here.

Answer 23

Mercury

Question 24

This planet is home to Olympus Mons

Answer 24

Mars

Question 25

It’s surface is covered mostly with water.

Answer 25

Earth

Question 26

an object revolving around a planet

Answer 26

moon