Unit 7 Natural Resources

John grows radishes hydroponically. In which substance did John most likely grow the hydroponic radishes?

• ice
• sand 
• rock
• soil

One way to conserve natural resources is to recycle things that have been thrown away. Old books can be recycled to make the following?

• paper
• food for plants
• clothing
• medicine

Renewable resources are resources that nature can replace after they are used.  Which of these natural resources is nonrenewable? 

• plants
• water
• coal
• trees

Joyce collects aluminum cans.  She places them into a blue tub.  What will mostly likely happen to the aluminum cans? 

• They will be exported
• They will be conserved
• They will be imported
• They will be recycled

The Jones care about the environment. They run their dishwasher only when it is full. Which of the following best explains why they do this

• to conserve water
• to save money
• to recycle dish soap
• to reduce sewage

Which statement describes the portion of energy use in the U.S. that comes from nonrenewable resources?

• the smallest section
• largest section
• 1/2 the energy that comes from fossil fuels
• twice as much comes from fossil fuels

Which is the most important reason to conserve resources that are nonrenewable?

• to keep landfills from filling up
• so that they will not disappear forever
•  they are less expensive that renewable resources
• so renewable resources can be imported less expensively

Which state would xeric landscaping most likely be seen? 

• Alaska
• Arkansas
• Alabama
• Arizona

From which source does the school get at least some of its heat?

• coal
• oil
• water 
• sunlight

The recycling symbol has 3 arrows chasing each other. The symbol shows that recycling is a three- step process. 
Which of the following is the first step in the recycling process?

• collecting and sorting used products
• burning or burying unusable waste
• making new goods from recycled materials
• buying and reusing recycled goods