rocks and minerals 3

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

• 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

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 

What forms after a rock has been weathered over many years? 

• soil
• a stream
• valleys
• lakes

Which type of rock results from melting and cooling of magma?

• Igneous
• Metamorphic
• Sedimentary
• Extrusive

Which type of rock forms from extreme heat and pressure?

• Igneous
• Sedimentary
• Organic
• Metamorphic

Wind, water, and ice breaking down rock is called

• Erosion
• Deposition
• Compaction
• Weathering

Tags

NGSS.MS-ESS2-2