Solar System Test Review Flashcards

1

Which planet is similar in size to Neptune?

Uranus
Earth
Saturn
Jupiter

2

About how old is the sun?

4.6 billion years old
10 trillion years old
3 million years old
7 billion years old

3

What does Earth and our moon have in common?

Rocky surface
people
animals
water

4

Which planet is closest to the sun?

Earth
Venus
Mars
Mercury

5

The sun is about ____ kilometers away from Earth

50 trillion
600 billion
100 thousand
150 million

6

Aristotle and Ptolemy believed in...

geocentrism
heliocentrism

7

The sun is about 1.39 million kilometers in ___

age
diameter
height
weight

8

Which planet is the furthest from the sun?

Mercury
Neptune
Uranus
Jupiter

9

Which planet is nicknamed "The Red Planet"?

Mercury
Mars
Venus
Jupiter

10

How long does it take for the moon to complete a full phase cycle?

about 1 month
about 10 days
about 24 hours
about 1 year

11

Galileo and ______ believed in heliocentrism

Copernicus
Ptolemy
Aristotle

12

Earth's revolution around the sun causes

gravity
day and night
seasons
moon phases

13

The sun is a...

planet
comet
asteroid
star

14

What causes our day and night?

Moon's orbit
Mercury's gravity
Earth's rotation
Earth's revolution

15

The outer planets...

have plant life on them
have many moons
are small and rocky
are closest to the sun

Solar System Test Review

Questions 15

Solar System Test Review

Questions 15