Causes
Harmful
Helpful
Mitigation
Soil
100

Which natural event is caused by heavy rain or snow melting quickly?

Flood

100

Which natural event covers habitats with too much water.  

Flood

100

Deposits nutrient-rich soil to help plants grow

What is a flood?

100

How can we limit the damage of flooding? 

Build barriers

100

What acts as the skin of the earth? 

Soil
200

Which natural event can be caused by a lightning strike, sparks, or human action? 

Forest Fire

200

Which natural event pollutes the air with ash and debris? 

Volcanic Eruption

200

Deposits nutrient-rich ash that helps plants grow. 

What is a volcanic eruption?

200

How can we limit the effects of erosion? 

Plant along steep slopes or build retaining walls.

200

What natural resource is easy to get, but takes a long time to form? 

Soil

300

Which natural event is caused by the movement of water, wind, or glaciers. 

Erosion

300

Which natural event burns habitats and forces animals to flee. 

Forest Fire
300

Clears out dead plants and lets smaller plants get more sunlight. 

What is a forest fire?
300

How can we prevent the spread of wildfires? 

Remove dead plants and trees from around homes. Follow fire safety advice.

300

Why should we conserve soil? 

It protects the earth, plants grow in, animals live in it. 

400

Which natural event caused when organisms become exposed to something that makes them sick?

Disease

400

Which natural event causes plants and animals to get sick and die. 

Disease

400

Weakens animals so predators can kill them more easily? 

What is disease?

400

How can we prevent animals from getting sick? 

Do our part to keep the earth clean. 

400

How can we conserve soil? 

Preventing erosion. Limit use of chemicals. 

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