1) How can you tell if something is a natural resource? a) it comes from Earth b) it is found on land c) is it made by people d) it turns into compost 2) Which are examples of minerals? a) clay and sand b) fluorite and feldspar c) oil and coal d) wind and sunlight 3) What do bits of rock, rotting plants, minerals and sand form? a) litter b) pollution c) Soil d) compost 4) What do food scraps and soil make when they are combined (mixed together)? a) litter b) soil c) rocks d) compost 5) What does harmful waste on land, in air and in water make? a) pollution b) soil c) rocks d) compost 6) What should people do before they throw something away? a) call the trash collectors b) see if it can be reused first c) make sure that it is dirty d) find a secret place to put it 7) What does tossing paper on the ground cause? a) soil b) compost c) litter d) rocks 8) What is it called when people find new ways to use old things? a) reduce b) recycle c) reuse 9) What is it called when people use something again? a) reuse b) reduce c) recycle 10) What is it called when people cut back on the things they use? a) recycle b) reuse c) reduce 11) What provides nutrients in compost? a) lots of air and water b) melting lumps of rock c) bits of clay and sand d) decomposing food scraps 12) Why do plants NOT grow well in subsoil? a) it does not have nutrients b) it is full of rocks and stones c) it has too much water d) it is full of litter and garbage 13) What is it called when you save resources for future use? a) conserve b) decompose c) reduce d) reuse 14) What happens to all living things after they die? a) they turn into soil b) they turn into compost c) they decompose 15) What is made up of minerals? a) compost b) pollution c) rocks

Science Chapter 6

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