Unit 3 rocks and minerals

A student found a sample of a solid material that was gray, shiny and made of all the same material. What category does this sample best fit? 

• sedimentary rock
• igneous rock
• metamorphic rock
• mineral

A rock sample has been changed by heat and pressure. Which type of rock is it? 

• sedimentary rock
• igneous rock
• metamorphic rock
• mineral

Sandstone, shale, limestone and conglomerate are common rocks in Utah. They form colorful rock formations and canyons. What type of rock are they?

• sedimentary rock
• igneous rock
• metamorphic rock
• mineral

A fourth grade class observes rocks. One sample is found in layers and feels rough and grainy. Which type of rock is it? 

• sedimentary rock
• igneous rock
• metamorphic rock
• granite

Obsidian, granite, and basalt are rocks formed from molten rock that has cooled. What kind of rocks are they?

• sedimentary rock
• igneous rock
• metamorphic rock
• fossils

Which correctly matches the rock type with the process involved in forming the rock? 

• igneous - pressure and heat 
• sedimentary - erosion and weathering 
• fossils - molten rocks and magma 
• metamorphic - heating and melting 

What is the movement of weathered materials called?

• weathering
• erosion
• evaporation
• ice wedging

What is the movement of weathered materials called?

• weathering
• erosion
• evaporation
• ice wedging

Which of the following best describes the relationship between a rock and a mineral? 

• Rocks are pure substances; minerals are not. 
• Rocks are made from minerals. 
• Minerals are made from rocks. 
• Rocks and minerals are the same thing. 

Which of the following is NOT a way rock is broken down and weathered? 

• freezing and thawing 
•  plant roots 
• heat expansion 
• carried away by wind