Rocks and Minerals Test Review

The _________ of the earth is like a dense ball. a. Crust b. Mantle c. Outer Core d. Inner Core

What would be the BEST way for someone to explain the rock cycle? Heat a rock in the oven. Draw the rock cycle. Make a graph. Show the classmate a rock.

Which is a scientist who studies rocks and minerals? Biologist Geologist Meteorologist Chemist

Which of these items would you NOT want to use when examining rocks and minerals? Paper clip Penny Thermometer Hand lens

Which of these statement is true about diamonds? Diamonds can be scratched by talc. Diamonds are nonmetallic minerals. Diamonds are the hardest minerals. Diamonds are made of calcium.

How do sedimentary rocks change to metamorphic rocks? Heat and pressure Weathering and pressure Cementing and weathering Cooling and hardening

Molten rock (magma) becomes igneous rock when molten rock……. Weathers Is pressed into layers Cools and hardens Melts

Which property can be used to tell if a mineral is metallic or nonmetallic? Color Luster Cleavage Hardness

Why should a scientist wear goggles when testing the properties of minerals? To block out light To protect his/her eyes To see the minerals more clearly To make the minerals look larger

A ______ is a solid material made up of one or more minerals. Shell Rock Sediment Soil

Jacob has a mineral he wants to identify Jacob has a mineral he wants to identify. Which property would NOT help him? Size Luster Streak Cleavage

What is the difference in the temperature at which quartzite and gneiss form? Change in rock Temp. Shale becomes slate 300 degrees Sandstone becomes quartzite 370 degrees Schist becomes gneiss 600 degrees 70 degrees 230 degrees 300 degrees 370 degrees

Which mineral is beige and has cleavage? Talc Feldspar Calcite Quartz Color Cleavage Other Name Colorless White Yes Bubbles when acid on it Calcite Colorless, beige, pink Hardness close to glass Feldspar Colorless, white, rose No Glassy, chips like glass Quartz Usually flaky talc

An unknown mineral is colorless and has cleavage An unknown mineral is colorless and has cleavage. What could you do to find out if it is calcite or feldspar? Color Cleavage Other Name Colorless White Yes Bubbles when acid on it Calcite Colorless, beige, pink Hardness close to glass Feldspar Colorless, white, rose No Glassy, chips like glass Quartz Usually flaky talc Check its luster Place acid on it Hit it to see if it chips like glass Try to peel the layers

________ is the color of a mineral when it is ground into a powder. Cleavage Hardness Luster Streak

Which of the following is NOT a rock? Granite Sandstone Silver Obsidian

When a mineral splits along a flat surface it has _______. Luster Cleavage Facets Hardness

Use the hardness scale in the textbook to answer the next two questions.

Which mineral can be scratched by fluorite? Apatite Gypsum Quartz Topaz

A steel nail has a hardness of 6. 5 A steel nail has a hardness of 6.5. Which mineral can be scratched by a steel nail? Corundum Diamond Feldspar topaz