Rocks and Minerals

Which of the following describes minerals?

• liquid, inorganic
• solid, organic
• liquid, organic
• solid, inorganic

What does the luster of a mineral describe?

• color
• density
• ability to resist being scratched
• way it reflects light

Where do extrusive igneous rocks form?

• in the water

• deep within earth

• at Earth's surface

• from other rocks

Which of the following are ALL sedimentary rocks?

• sandstone, marble, shale
• sandstone, granite, coal
• obsidian, shale, slate
• conglomerate, sandstone, shale

The image is testing for which of the following mineral properties?

• streak
• density
• luster
• hardness

Which mineral is the hardest?

• topaz
• talc
• diamond
• flourite

Which mineral is the softest?

• calcite
• talc
• diamond
• topaz

Which minerals can scratch quartz?

• topaz, corundum, diamond
• diamond, talc, orthoclase
• orthoclase, apatite, flourite
• diamond only

What are the two most abundant elements in Earth's crust?

• silicon and oxygen
• silicon and hydrogen
• oxygen and chlorine
• oxygen and alumin

Which of the following are EXTRUSIVE igneous rocks?

• granite and gabbro
• pumice and obsidian
• granite and obsidian
• sandstone and gneiss