Unit 2 Earth/Space Test Review

Which of these is a layer inside Earth that provides energy that drives plate tectonics?

• mantle

• lithosphere

• magnetosphere

• continental crust

Which of these is not one of the major processes in which energy and matter repeatedly move through a series of reservoirs?

• biocycle

• carbon cycle

• nitrogen cycle

• phosphorus cycle

Which of these most helps scientists analyze the amount of CO₂ present thousands of years ago?

• acid rain

• ice cores

• tree saplings

• igneous rocks

Abe listed ways he thought rocks can change due to the rock cycle

1. erosion 2. heat

3.light 4. pressure

Which process should be removed from Abe’s list?

• 1

• 2

• 3

• 4

Which two elements must be present in a silicate?

• silicon and carbon

• silicon and sodium

• silicon and quartz

• silicon and oxygen

What happens to minerals containing unstable atomic nuclei that decay over time into stable nuclei?

• They become cold.

• They become fluorescent.

• They become radioactive.

• They become phosphorescent.

Which of these is when water changes state from a gas to a liquid?

• runoff

• precipitation

• condensation

• evapotranspiration

Which of these is not one of the four criteria for determining whether a substance is a mineral?

• It is inorganic.

• It occurs naturally.

• It has a shiny surface.

• It has a consistent chemical composition.

What is the name for the series of changes that describes how geologic forces cause rock to change from one type to another?

• the rock cycle

• Mohs hardness scale

• Bowen’s reaction series

• fractional crystallization

What are the two main groups of minerals?

• carbonate and silicate

• silicate and nonsilicate

• metallic and nonmetallic

• rock-forming and powder