Rocks and Minerals

Ryan finds a rock that has visible layers. He thinks it contains shells and maybe fossils. What type of rock did he most likely find?

• Igneous

• Sedimentary

• Metamorphic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Declan found an igneous rock when he was in Hawaii. How are igneous rocks formed?

• by forming layers over time

• when magma or lava cools

• when a rock is exposed to heat and pressure

Presley has some minerals. She observes that one is pink, shiny, and smooth. What properties did she observe?

• color, luster, cleavage

• color, streak, hardness

• streak, hardness, luster

Roger observes that a mineral is unable to scratch a piece of glass. He also observes that he can scratch that same mineral with his fingernail. What property is he observing?

• streak

• color

• hardness

Sharon takes a mineral and rubs it on a white tile. Even though the mineral is gold, she observes that it leaves behind a black streak. What property was Sharon was testing?

• luster

• hardness

• streak

Connie is sorting a set of minerals. She observes that one of her minerals is green and sets it to the side. What property of the mineral did Connie observe?

• streak

• hardness

• color

Metamorphic rocks are formed underground. How are they created?

• through cooling magma

• through heat and pressure

• through forming layers in the water

Lincoln finds a rock near a stream. He notices that it has shells in it. What type of rock is Lincoln most likely holding?

• Igneous

• Metamorphic

• Sedimentary

What is the name of the hardness scale that we use to measure minerals?

• Moh's Scale

• Moore's Scale

• Mom's Scale

Talc is a mineral that is soft and can be crushed between your fingers. Diamonds are hard and often used to create cutting blades. Which of these minerals is the hardest on the Moh's Scale?

• Talc

• Diamond

• They are the same