Erosion and Land Changes

What is erosion?

• The building up of land

• The process of wind or water wearing away land

• The creation of new mountains

• The movement of tectonic plates

Which of these is NOT a cause of erosion?

• Wind

• Water

• Growing plants

• Ice

What is weathering?

• The breaking down of rocks into smaller pieces

• The movement of soil from one place to another

• The process of making weather forecasts

• The formation of new rocks

Which natural event can cause rapid changes to land?

• A gentle breeze

• Very Light rain

• An earthquake

• Plant growth

What is deposition?

• Taking rocks from the ground

• Breaking down of mountains

• The laying down of rock and soil materials

• Creating new weather patterns

Which of these can cause the fastest changes to land?

• Plant roots growing

• A volcanic eruption

• Normal rainfall

• Animal footprints

What happens during a landslide?

• Rocks and soil move quickly down a slope

• Wind blows leaves around

• Rivers flow normally

• Plants grow taller

Which weather event can cause rapid land changes?

• A light drizzle

• A mild breeze

• A hurricane

• Morning dew

Which of these is an example of a slow land change?

• A volcanic eruption

• A tornado

• Weathering

• An earthquake

How do volcanoes change land quickly?

• By creating new soil slowly

• By adding new rock layers instantly

• By making plants grow

• By cooling the earth