Science Unit 7 Lesson 2

Carmella wishes to reduce the amount of waste she makes. If she mops up messes using washable rags rather than paper towels, what natural resource would she help to conserve?

• water

• trees

• oil

• soil

The best way to conserve fossil fuel is to use less energy. Using several devices that contain energy-efficient LED light bulbs helps. Which type of energy conservation is that?

• reducing

• recycling

• reusing

• renewing

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An example of water conservation is ____________________.

• turn off water when brushing teeth

• shorter showers

• rain buckets to water plants

• all of the above

Which of the following would be the best way for a family to conserve water each day?

• don't shower

• serve milk instead of water with meals

• move to a wetter climate

• turn off water while brushing teeth

Using natural resources wisely and not wasting them is called _____________________.

• natural resources

• pollution

• conservation

• contouring

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An example of recycling is ____________________.

• using many paper towels to clean a spill

• having a water bottle reprocessed in to a backpack

• using a water bottle many times before throwing it away

• all of the above

When an item is reprocessing and then used to make something completely new we ________________________ it.

• pollute

• recycle

• reuse

• reduce

When farmers rotate the type of crop they plant each year we call that ___________________________.

• crop rotation

• intercropping

• contour plowing

• hydroponics

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An example of reducing is ______________________.

• using a towel instead of paper towels for a spill

• inter-cropping

• turning a plastic bottle in to a backpack

• all of the above

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When you decrease the amount of waste you make you are _______________________.

• reducing

• reusing

• recycling

• reprocessing