solar system review for test

Front

Why is Venus so much hotter on average than Mercury?

Back

Venus' atmosphere is so thick that it traps the Sun's heat.

Front

How long is a day on Venus?

Back

A day on Venus is 243 Earth days.

Front

Describe the surface of Mars.

Back

The surface of Mars is cold, rocky, and covered in red dust.

Front

How many moons does Mercury have?

Back

Mercury has 0 moons.

Front

What is a similarity between Venus and Earth?

Back

Venus and Earth are about the same size and have about the same amount of gravity.

Front

What is the primary reason for the greenhouse effect on Venus?

Back

The thick atmosphere of Venus, primarily composed of carbon dioxide, traps heat.

Front

What is the average surface temperature of Venus?

Back

The average surface temperature of Venus is about 467 degrees Celsius (872 degrees Fahrenheit).

Front

What is the main component of the atmosphere of Mars?

Back

The main component of the atmosphere of Mars is carbon dioxide.

Front

What is the significance of the Goldilocks Zone?

Back

The Goldilocks Zone is the region around a star where conditions are just right for liquid water to exist on a planet's surface.

Front

What are the two main types of planets in our solar system?

Back

The two main types of planets are terrestrial (rocky) planets and gas giants.