National Geographic Erosion Article

What is erosion?

• A process where rocks grow bigger

• A process where earthen materials are worn away

• A process where animals move

• A process where plants grow

What is the main agent of erosion on Earth?

• Wind

• Sunlight

• Fire

• Liquid water

What is sediment?

• Transported material like bits of rock and soil

• A type of animal

• A type of plant

• A type of weather

What can wind create by moving sand?

• Sand dunes

• Rivers

• Mountains

• Forests

What is a glacier?

• A type of tree

• A type of rock

• A large mass of ice that moves slowly

• A type of bird

Which of the following is NOT a way that climate impacts erosion?

• precipitation

• wind

• storms like hurricanes

• rock cycle

How can vegetation slow the impacts of erosion?

• Vegetation slows erosion by stabilizing soil and reducing runoff.
• Vegetation increases soil erosion by loosening the ground.
• Vegetation has no effect on erosion rates whatsoever.
• Vegetation speeds up runoff by creating more surface water.

How can people help slow the rate of erosion where we don't want it to happen?

• Use heavy machinery to flatten the land completely.
• Plant vegetation and use erosion control methods.
• Remove all plants from the area to reduce competition.
• Increase concrete surfaces to prevent water absorption.