Chapter 11 Lesson 2 Review

Which planets are considered terrestrial planets?

• Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Mars

• Earth, Mars, Jupiter, Saturn

• Venus, Mars, Jupiter, Neptune

What is the greenhouse effect?

• The process of plants growing in a greenhouse

• The natural process where certain gases in the atmosphere absorb and radiate thermal energy from the Sun

• The effect of the Sun's rays on the Earth's surface

• The cooling of the Earth's atmosphere

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What are terrestrial planets made of?

• Gas and ice

• Rock and metal

• Water and air

• Fire and lava

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Which of the following is NOT a characteristic of terrestrial planets?

• They have solid outer layers

• They are the planets closest to the Sun

• They are made of gas and ice

• They have different sizes, atmospheres, and surfaces

Which planet is the smallest and closest to the sun?

• Mercury

• Venus

• Earth

• Mars

Why does Mercury have no atmosphere?

• Its mass is too small to hold onto an atmosphere

• It is too far from the sun

• It has too many craters

• It rotates too quickly

What is the surface of Mercury covered in?

• Impact craters

• Oceans

• Forests

• Ice caps

What is the core of Mercury made of?

• Iron and nickel

• Silicon and oxygen

• Carbon dioxide

• Hydrogen and helium

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Which planet is about the same size as Earth?

• Venus

• Mars

• Jupiter

• Saturn

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What is Venus's atmosphere primarily composed of?

• 97% carbon dioxide

• Oxygen

• Nitrogen

• Hydrogen

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