5A-C3 Test- Mercury, Venus and Earth

Front

What was the first mission to successfully fly by Mercury?

Back

Mariner 10

Front

What is the thickest layer of the Earth?

Back

Mantle

Front

How are Venus and Earth similar?

Back

They are about the same size and have about the same amount of gravity.

Front

What process allows water from oceans to enter the air?

Back

Evaporation

Front

What percentage of the planet is covered by water?

Back

70%.

Front

What is the closest planet to the Sun?

Back

Mercury.

Front

Which planet is known as Earth's twin?

Back

Venus.

Front

What is the primary component of Earth's atmosphere?

Back

Nitrogen.

Front

What is the main reason for the seasons on Earth?

Back

The tilt of Earth's axis.

Front

What is the outermost layer of the Earth called?

Back

Crust.