The Inner Planets

Mercury

100

True/False: Mercury is the largest of the inner planets.

False. It is the smallest.

200

What two things does Earth have, but Mercury does not have?

A Moon and atmosphere

300

What feature is visible across the entire surface of Mercury?

Impact craters 

400

How were the smooth plains on Mercury created?

By the solidified lava from volcanic eruptions 

500

What is the temperature of the side of Mercury facing the Sun.

BONUS 100: What is the temperature of the side facing away from the Sun?

Facing Sun: -450 degrees Celsius

Facing Away: -170 degrees Celsius

Venus

100

What is Venus' place in our solar system?

(how far away from the Sun)

It is the 2nd planet from the Sun

200

What planet is Venus similar to in size?

Earth

300

True/False: Venus spins faster than all of the other planets in the solar system.

False. It spins very slowly.

400

True/False: Venus' day is longer than it's year.

True

500

What is the thick cloud layer on Venus made up of?

Acid

Earth

100

True/False: Earth is the fourth planet from the Sun.

False. It is the third planet from the Sun.

200

These two things make up Earth's atmosphere.

Gases and water vapor

300

Earth's crust is broken into these very large features that slide past, away from, or into each other.

Plates

400

This is specific force is responsible for constantly destroying Earth's crust and creating new crust.

Natural forces (i.e., weather)

500

Earth has a solid                                          surrounded by a liquid                                                           . 

Inner Core, Outer Core

Mars

100

True/False: Mars is about twice the size of Earth.

False. It is about half the size of Earth.

200

How many moons does Mars have?

Two

300

True/False: Space probes have found evidence of liquid water and life on the planet.

False. They have not found any evidence of liquid water or life.

400

What gas makes up about 95% of Mars' atmosphere?

Carbon dioxide

500

This gives Mars its reddish color?

BONUS 500 POINTS: This is the name of the largest known mountain in the solar system, located on Mars.

Iron oxide

Olympus Mons (volcano)

Random

100

This is another name for the inner planets.

Terrestrial

200

All inner planets are made of these materials.

Rocks and metals

300

All inner planets have these three layers.

Core, mantle, and crust

400

Which inner planets have both a solid and liquid inner core?

EXTRA 100 points: Which planet has just a liquid core?

Solid + liquid = Mercury, Venus, Earth

Liquid = Mars

500

This occurs when a planet's atmosphere traps solar energy and causes the surface temperature to increase.

Greenhouse effect