Minerals, Rocks, and Soil

What is the rock cycle?

• the steps a rock goes through as it melts into lava
• a process in which wind and water break rocks into small pieces
• a process in which one type of rock changes into another type
• the steps a rock goes through as it grows crystals

Tags

NGSS.MS-ESS2-1

What are some important ways to describe rocks?

• by their size and shape
• by their color and patterns
• by their hardness and texture
• all of the above

Which fact about igneous rocks is true?

• They form in fire and heat
• they are found only near active volcanoes
• they form in very cold temperatures
• they are found only in deserts

Which statement about sedimentary rocks is true?

• They are found only in the ocean, where waves break them into small pieces. 
• They are made up of bits of rock that have been pressed together.
• They are blasted out of volcanoes.
• They are melted together with other rocks. 

Tags

NGSS.MS-ESS1-4

Which type of rock is formed when other rocks go through changes caused by heat and pressure?

• igneous rocks
• sedimentary rocks
• metamorphic rocks
• all of the above

What causes a sedimentary or igneous rock to turn into a metamorphic rock?

• melting in magma
• heat and pressure deep underground
• weathering and erosion on Earth's surface
• all of the above

What causes a metamorphic or igneous rock to turn into a sedimentary rock?

• melting in magma
• heat and pressure deep underground
• weathering and erosion on Earth's surface
• all of the above

_______________ in soil has many nutrients and comes from the decayed remains of plants and animals.

• Humus

• Clay

• Dirt

• Sand

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is the only thing on earth that can scratch a diamond?

• a bulldozer

• another diamond

• a fingernail

• a nail

What is it called when we say a rock is shiny?

• color

• hardness

• luster

• streak