Environmental Changes

It occurs when it does not rain for a long time. It forces people and animals to look for new places to live.

• fires

• flood

• drought

Tags

NGSS.MS-ESS2-4

Which is one negative effect of fires?

• Fires clear space for new plants growth

• Pinecones open to let their seeds out

• Fires destroy trees and other plants as well as animal habitats

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Is when small pieces of rock are carried away by water and sometimes by wind.

• flood

• erosion

• drought

Tags

NGSS.MS-ESS2-2

How do beavers change the environment?

• they build mounds

• they release poison

• they build dams

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What led to this environmental change?

• Human Activity

• Natural Process

• Lion with big teeth

Tags

NGSS.MS-ESS3-4

Which is NOT an example of a natural environmental change?

• a beaver dam

• a hurricane

• a volcanic eruption

• a housing development

Tags

NGSS.MS-ESS3-4

• Less sediment flowed into the river because the fire heated up the soil and made it drier.

• The amount of vegetation increased and less sediment flowed into the river because the fire produced ash that mixed with the soil.

• More sediment flowed into the river because the fire destroyed most of the vegetation holding the sediment in place.

• More sediment flowed into the river because the fire disrupted animal habitats and caused animals to leave the area.

Tags

NGSS.MS-LS2-4

What is the cause of droughts ?

• The increase in temperature of earth disturbs the water cycle and may reduce rainfall.

• Due to the change in the soil property in forest.

• Due to decrease in water holding capacity of soil.

• Due to increasing the level of carbon dioxide in atmosphere.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

A forest's trees are being cut down. How are the organisms that live there being harmed?

• the organism population increases

• the organism habitat will increase

• the organism population will remain the same

• the organism habitat will decrease

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What kind of environment change is this?

b

Short term

Long term

Tags

NGSS.MS-ESS3-2