Unit 6: The Earth and its Moon

What is a mineral?

• a nonliving substance formed in nature

• a nonliving substance made only in factories

• a living substance formed in nature

• a living substance found only in fossils

When the North Pole is tilted toward the Sun, it is

• summer in the Northern Hemisphere.

• winter in the Northern Hemisphere.

• daytime in the Northern Hemisphere.

• nighttime in the Northern Hemisphere.

Which of the following is NOT a way in which mountains form?

• folding rock

• landslides moving large amounts of land

• rocks moving along a fault

• volcanoes erupting

Which of the following will cause a climate to be cooler?

• lower altitude

• lower latitude

• higher altitude

• ocean current from the equator

Acid rain changes the minerals in rocks to other minerals. What is this process called?

• chemical weathering

• deposition

• erosion

• physical weathering

What kind of storm forms over a warm ocean?

• a flood

• a hurricane

• a blizzard

• a tornado

The rate at which water flows through soil is known as the soil's

• pore space

• texture

• permeability

• profile

What does a soil profile show?

• the color of the soil under the surface

• the layers of soil under the surface

• the texture of the soil under the surface

• the pore spaces in the soil under the surface

The wildest type of storm is called a

• tornado

• thunderstorm

• winter storm

• hurricane

Humidity is a measure of

• the weight of the air

• the amount of water vapor in the air

• precipitation

• how hot or cold the air is