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5thgradesciencechp10
5th grade science chapter 10
Question | Answer |
---|---|
What process do some places in the world use to obtain freshwater | desalination |
Trees and freshwater are what kind of resources | renewable resources |
What are good conductors of heat and electricity | metals |
A great way to reuse and recycle plants and food scraps is | compost |
three fossil fuels | petroleum, coal, and natural gas |
minerals extracted from the ground and refined into valuable metals are | ores |
a sedimentary rock obtained by mining | coal |
produced from heat trapped within the earth | geothermal energy |
made from hydrogen and carbon | hydrocarbons |
items that may be hazardous to the environment | paint, pesticides, automotive fluids |
how do we protect our natural resources | by conserving them |
natural resource | a material found in nature that is useful to humans |
soil, wind, water, wood, animals | renewable resources |
minerals, coal, petroleum, natural gas | nonrenewable resources |
renewable resources | can be replenished or replaced |
landfill | a site for the disposal of waste materials |
biomass | the organic matter from plant matter and animal waste used as a source of energy |