Science pg 224-226 2/20

What type of rock contains trapped gases and can float under the right conditions?

• Granite

• Marble

• Pumice

• Obsidian

Which rock is described as hard and dense?

• Soapstone

• Granite

• Marble

• Pumice

What is a characteristic of soapstone?

• Hard and dense

• Deep black and glassy

• Soft enough to scratch with your fingernail

• Light-colored and polished

Which rock is deep black, smooth, and glassy?

• Obsidian

• Marble

• Granite

• Soapstone

What is a porous rock?

• A rock with no spaces

• A rock with many small spaces or holes

• A rock that is impermeable

• A rock that is always dense

What does a permeable rock allow?

• No liquid or gas to pass through

• Only air to pass through

• Liquid or gases to pass through

• Only water to pass through

Which rock is both porous and permeable?

• Granite

• Limestone

• Obsidian

• Marble

What is an aquifer?

• A layer of impermeable rock

• A layer of rock that is permeable to water

• A type of dense rock

• A type of rock that floats

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

What do aquifers collect?

• Only rain

• Only melted snow

• Rain or melted snow

• Only groundwater

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What is the function of an aquifer?

• To block water flow

• To store water underground

• To create rocks

• To polish rocks

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1