Science chapter 6

What is another name for a valuable mineral such as a diamond or ruby?

• gem

• coal

• topaz

• igneous rock

What is water that is held in rocks below ground called?

• aqueducts

• groundwater

• fresh water

• reservoirs

Which mineral property is identified by the color of the powder left behind when it is rubbed across a surface?

• hardness

• color

• streak
• sparkle

What are impressions that living things leave behind in the mud called?

• casts

• remains

• fossils

• imprints

Which part of the soil works like a sponge?

• bedrock

• humus

• subsoil

• sand

A resource that can be used over and over again

• conservation

• renewable resource

• solar energy

• mineral

tiny bits of rock or dead plant and animal matter

• igneous rock

• pollution

• mineral

• sediment

A rock that is formed from layers of sediment

• conservation

• sedimentary rock

• natural resource

• solar energy

harmful things in the air

• pollution

• conservation

• natural resource

• sedimentary rock

melted rock cools and hardens forming

• igneous rock

• sedimentary rock

• sediment

• pollution