Science Test Friday(1-29-21) Environmental Changes

People can cause events that also

occur naturally, such as

• Tornado

• Lightning

• Fire

People can cause_________________

of air, water, and land habitats.

• flood

• storm

• pollution

One way people can help plants

and animals survive is

to______________________

• eat them

• reduce pollution

• cut trees

Fire forces animals to leave, but

it also makes space for________________

• new growth

• drought

• flood

Plants and animals are made sick

by___________________.

• trees

• plants

• disease

A beaver building a dam is an

example of how animals affect the____________________.

• building

• house

• environment

• flood

When rising water causes a _______________,

,

animals have to move to dry land.

• habitat

• flood

• drought

Shorelines and beaches are worn away

by_________________________.

• drought

• environment

• erosion

A change in the environment can cause an

animal to lose its_______________________.

• fire

• environment

• habitat

One positive effect of_________________

is that

some pinecones only open after being heated.

• flood

• erosion

• fire