Earth Science Review

Which of these is a cause of erosion?

• Taking a walk

• Drinking water

• Moving water in a river

Which of these is not a natural resource?

• water

• oil

• factories

• trees

Weathering is breaking down of materials. Which of these is an example of weathering?

• Glaciers creating moraines

• Plant roots breaking apart rock

• Wind blowing dust across a field

Which of these most likely caused a sand dune to form?

• weathering of rocks and shells

• wind blowing sand against beach grass

• storms washing sand away from the beach

Which of these best helps reduce soil erosion?

• plants

• sunshine

• strong wind

• running water

Which of these most likely causes a landslide?

• gravity and excess rain

• formation of mud and rocks

• running water and sandy soil

Which of these best describes the motion of the Earth and the moon?

• Earth rotates around the moon.

• The moon rotates around Earth.

• Earth revolves around the moon.

• The moon revolves around Earth.

Which of these helps reduce the loss of soil in a field?

• bring in sand from a beach

• plant trees around the field

• water down the field every day

• plant grass seeds with their crops

Why are trees a renewable resource?

• trees can be burned as a fuel

• it takes many years for a tree to reach its full height

• new trees will grow to replace trees that are cut down

• the trees will eventually form fossil fuels

Which of the following are natural resources?

• coal, oil, and natural gas

• forest, factories, and animals

• suburbs, cities, and manufacturing

• metal, wood, and wire