rocks and minerals

The ability to resist scratching--Moh's Scale is which property?

• hardness
• cleavage
• color
• luster

The least useful of all properties to identify minerals is

• fracture
• streak
• luster
• color

How light is reflected off of the mineral is 

• color
• luster
• hardness
• cleavage

Color left behind when scratched on a plate

• hardness
• color
• streak
• fracture

Which of the following are the three types of rocks?

• igneous, sedimentary, and obsidian
• sedimentary, metamorphic, and gneiss
• igneous, sedimentary, and metamorphic
• metamorphic, igneous, and shale

Which tool do we use to determine the color of a rock?

• eyes
• flashlight
• nail
• streak plate

How do sedimentary rock form?

• by pressure of layers of sediment
• by heat from volcanos
• by heat and pressure deep underground

What type of rock is pictured?

• Igneous
• Metamorphic
• Sedimentary

A geologist is a scientist who studies_______.

• plants and animals
• fossils
• rocks and minerals
• ocean animals

What is an igneous rock?

• Rock that forms when melted, or molten rock from deep below Earth's surface cools and hardens.
• A solid material made up of one or more minerals.
• Rock that forms when existing rocks are changed by heat, pressure, or chemicals beneath the Earth's surface.