Erosion and Watersheds

What is weathering?

• the movement of sediment

• the breaking down of rock

• water flowing underground

• sediment being dropped in a new place

Tags

NGSS.MS-ESS2-2

Which is an example of mechanical/physical weathering?

• acid rain dissolving rocks

• rocks being broken down by moving water, like a river

• sediment depositing on the ocean floor

• iron rusting

What is erosion?

• the breaking down of rock

• the movement of rock and sediment

• the dropping of sediment in a new place

• lakes and rivers forming

Tags

NGSS.MS-ESS2-2

The more kinetic energy a river has...

• the slower it moves

• the faster it moves

• the older it is

• the less erosion it does

Tags

NGSS.MS-PS3-1

Plant roots holding onto soil will...

• increase erosion

• decrease erosion

• not change erosion

• cause deposition

Tags

NGSS.MS-ESS2-2

What is deposition?

• breaking down rocks

• moving sediment in a river or stream

• sediment settling and being deposited in a new place

• landforms being broken down over time

What can cause mountains to become shorter over time?

• deposition and erosion

• volcanoes and earthquakes

• groundwater and aquifers

• weathering and erosion

Tags

NGSS.MS-ESS2-2

A watershed includes

• surface water

• groundwater

• both surface and groundwater

Tags

NGSS.MS-ESS2-4

Which is not an example of surface water?

• stream

• aquifer

• lake

• river

When rocks get weathered, they become...

• smaller and rounder

• smaller and sharper

• larger and rounder

• larger and sharper

Tags

NGSS.MS-ESS2-2