False. It is the smallest.
(how far away from the Sun)
It is the 2nd planet from the Sun
False. It is the third planet from the Sun.
True/False: Mars is about twice the size of Earth.
False. It is about half the size of Earth.
This is another name for the inner planets.
Terrestrial
What two things does Earth have, but Mercury does not have?
A Moon and atmosphere
What planet is Venus similar to in size?
Earth
These two things make up Earth's atmosphere.
Gases and water vapor
How many moons does Mars have?
Two
All inner planets are made of these materials.
Rocks and metals
What feature is visible across the entire surface of Mercury?
True/False: Venus spins faster than all of the other planets in the solar system.
False. It spins very slowly.
Earth's crust is broken into these very large features that slide past, away from, or into each other.
Plates
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.
All inner planets have these three layers.
Core, mantle, and crust
How were the smooth plains on Mercury created?
By the solidified lava from volcanic eruptions
True/False: Venus' day is longer than it's year.
True
This is specific force is responsible for constantly destroying Earth's crust and creating new crust.
Natural forces (i.e., weather)
What gas makes up about 95% of Mars' atmosphere?
Carbon dioxide
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
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
Acid
Earth has a solid surrounded by a liquid .
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)
This occurs when a planet's atmosphere traps solar energy and causes the surface temperature to increase.
Greenhouse effect