Studies Weekly- Week 10

Early America had ______ colonies.

• 15

• 13

• 50

__________ is the number of people living in a certain place.

• Population

• Pollution

• Resource

Air, water, and trees are examples of __________.

• pollution

• natural resources

• recycling

Which of these shows how we can save electricity?

• turn off computers

• leave on all your lights

• turn off the sink water

If something becomes _____ it is gone forever.

• endangered

• extinct

• population

Which of these is an effect of pollution?

• animals lose their habitats

• water is too dirty to drink

• both A and B

Trees and plants give off ______ that we need to breathe.

• oxygen

• pollution

• air

Animals that are ________ may someday be extinct.

• endangered

• extinct

• population

______ is when harmful things enter the environment and make it harmful for humans, animals, and plants.

• population

• pollution

• resource

_______ is something found in nature and can be used by people.

• population

• natural resource

• pollution