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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 |