Inner Planets
Mars
Mercury
Earth
Venus
1

Put the 4 inner planets in order


1.

2.

3.

4.

1. Mercury

2. Venus

3. Earth

4. Mars

1
Mars is named after the Roman God of ____.

A. War

B. Love

C. Speed

D. Darkness

A. War 

1
Mercury is the Messenger God of _____

A. Darkness

B. Light

C. War.

D. Speed

Speed

1

What Galaxy is Earth in?

A. Andromeda Galaxy
B. Whirlpool Galaxy
C. Milky Way
D. Sombrero Galaxy

C. Milky Way

1

Venus is named after the Roman goddess of:

A. Love and beauty
B. War
C. Wisdom
D. Agriculture

A. love and beauty
2

The closest planet to the sun

Mercury

2

Why is Mars red?

A. Because the Sun is hot.

B. Because it is rich in iron.

C. Because Bob Ross painted it Red.

D. It became red because of dust storms.

B. Because it is rich in iron.

2

The thin layer of atmosphere this planet has is called.....

A. Exosphere

B. Stratosphere.

C. mesosphere

D. thermosphere

A. Exosphere

2

Where did Earth get it's name? 

A. From a Roman god
B. From a Greek goddess
C. From an ancient word meaning “ground” or “soil”
D. From a famous scientist

C. From an ancient word meaning “ground” or “soil”

2

Where does Venus get its coloring from?

A. Frozen methane on the surface
B. Iron-rich soil
C. Sulfuric acid in the clouds
D. Ocean reflections

C Sulfuric acid (its thick clouds contain sulfuric acid, which give Venus its yellowish appearance)

3

This planet is known as the Red Planet

Mars

3

We know Mars is very cold (-200 degrees) . How can people study Mar's weather?

A. rovers

B.  weather balloon

C. Mars is not cold.

D. They use telescopes and guess the weather

A. Rovers

3

How many days does it take for Mercury to orbit around the sun?

A. 365 days

B. 88 Days

C. 176 days

D. 67 days

B. 88 Days

3

Earth is _____ percent (%) water. 

70 percent water

3

The tallest volcano on Venus is called 

A. Olympus Mons
B. Mauna Loa
C. Maat Mons
D. Mount Everest

C. Maat Mons

5

The 2nd planet from the sun with gravity: 100 pounds on Earth = 91 pounds on ______

Venus
5

Mars has the tallest volcano in the entire solar system. What is it called?

A. Mount Everest

B. Himalayas mountain

C. Caloris Basin

D. Olympus Mons 

D. Olympus Mons 

5

Why does Mercury have no moons?

A. It is too cold.

B. A moon was never there.

C. The sun's gravity is too powerful to hold on to a moon.

D. The moon broke. 

C. The sun's gravity is too powerful to hold on to a moon.

5

Earth is always changing. Erosion is a big part. What does Erosion mean? 

A. The sudden breaking of rocks due to earthquakes
B. The growth of new mountains overnight
C. The melting of glaciers into oceans
D. Slowly shapes the land and coastlines


Correct answer: D

Erosion is the process where wind, water, and ice slowly wear down and move soil and rock, gradually reshaping landforms over time.



5

What is the name of the moon that Venus has?

A. Phobos
B. Titan
C. Europa
D. None 

D. Venus has no moon.

10

The largest canyon in the solar system is called 

A. Grand Canyon
B. Valles Marineris
C. Ithaca Chasma
D. Verona Rupes

B. Valles Marineris  


bonus $1  - What planet is it on? Write it down quietly 

10

What is the name of the two moons on Mars?

A. Europa and Ganymede
B. Titan and Enceladus
C. Phobos and Deimos
D. Io and Callisto

C. Phobos and Deimos

10

What is the name of the 960 mile long crater on Mercury? 

A. Caloris Basin

B. Grand Canyon

C. Mercury's crater

D. Captain Crunch 

A. Caloris Basin

10

What shape is Earth?

A. Perfect sphere
B. Flat disk
C. Oblate spheroid
D. Cube



Correct answer: C

Earth is an oblate spheroid, meaning it’s mostly round like a sphere but slightly flattened at the poles and bulging at the equator due to its rotation.



10

Venus rotates in the opposite direction

It is called _________ rotation. 

A. Prograde
B. Axial
C. Orbital
D. Retrograde

D. Retrograde