rocks

How is igneous rock formed?

• layers of sediment

• a volcano becomes weathered by heat and wind

• lava flows down the sides of a volcano, cools and forms new rock

• a volcano experiences heat and pressure to form new rock

Which of the following is not a characteristic of sedimentary rocks?

• firned by molten magma

• several layers of rock

• layers of rock forced together

• contains fossils of skeletons and shells

If you tested two mineral samples using a streak plate and both minerals left a dark yellow streak, what could you conclude about the two minerals-

• they are the same color

• they are very soft

• both have dull luster

• they could be the same mineral

What is true of all rocks?

• most rocks are made up of crystals

• all rocks contain quartz

• they are all made up of one or more minerals

• all rocks have pieces of granite in them

Water is a

• non-renewable resource

• renewable resource

• cannot easily be replaced

• takes years to replace