Week 9 Studies Weekly

Landforms are ______ that make up the Earth’s surface.

• models

• patterns

• geometric figures

• natural shapes

The temperature in some deserts can change ______.

• a lot

• a little

• over time

• not at all

Why are forrest’s one of our most important ecosystems?

• They produce trees.

• They have a lot of animals.

• They have good soil.

• They produce the most oxygen.

Most of rivers begin in the mountains and end by flowing into _______.

• creeks

• the ocean

• other rivers

• lakes and ponds

Which is NOT a process that results in the creation of landforms?

• heat

• human behavior

• pressure

• movement on and below the Earth’s crust

The movement of ____, water, and wind change the Earth’s surface.

• mountains

• deserts

• ice

• soil

Mountains are found _______ and even under the ocean.

• along rivers

• in every state

• near volcanoes

• on every continent

Deserts are places which rainfall is usually less than ________ inches per year.

• 10

• 100

• 50

• 25

Mountains can be formed by volcanoes, _______ and the movement of Earth’s crust.

• water

• erosion

• wind

• ice