Using Earth’s ResourcesUsing Earth’s Resources

Grade 2 Grade 2

ScienceScience

VocabularyVocabulary

• Pollution- Anything that makes air, land, or water dirty.

• Reduce-To cut back on how much you use something.

• Reuse-To use something again

• Recycle-To make new items out of old items

Natural Resources are classified Natural Resources are classified into 2 groupsinto 2 groups

• Renewable- Some resources, such as water and wind are replaced quickly by earth

• Non-renewable- Some resources, such as oil and coal can not be quickly replaced

How do we use natural resources?How do we use natural resources?

• Air, wind, water, rocks, and soil are natural resources we use everyday.

• It give us many of the things that people need to live.

• Some resources, such as water and wind are replaced quickly by earth.

Natural resourcesNatural resources

• Trees • Water

Natural ResourcesNatural Resources

• Wind

• Coal

• Some natural resources are not made quickly by Earth.• It can take millions of years for minerals to form.• We use minerals everyday.• Once these resources are gone, they can not be quickly

replaced.

Why should we care for Earth’s Why should we care for Earth’s ResourcesResources

• We need Earth’s land, air and water.• When resources are wasted or made dirty,

we can not use them.• Pollution is anything that makes water, air,

or land dirty.• Factories and cars can make air pollution• Oil spills and other garbage in the water

can hurt animals.

PollutionPollution

Three kinds of pollutionThree kinds of pollution

• Water pollution • Land pollution

• Air pollution

LITTERLITTER

• Litter is garbage that people leave behind.

• Pick up litter to stop land and water pollution.

• After having a picnic or playing outside, clean up garbage.

How can we save Earth’s How can we save Earth’s ResourcesResources

REDUCE - means to cut back on how much you use something.

For example: Shut off the water while brushing your teeth.

REUSE- means to use something again. This egg carton now holds paint.

For example: Using plastics for decorations

RECYCLE- means to make new items out of old items.

For example: Paper, glass, plastic and metals can be recycled.

• We can also make less pollution in the air and on land. How can we help?