Science Unit 4

Which of the following is an example of weathering?

• Ocean waves washing away sand

• Wind blowing sand along a beach

• Roots of a tree breaking rocks into pieces

• River water carrying soil through a canyon

Very small pieces of rock, silt and sand are called

A rock that has imprints of shells is most likely a __________ rock.

• Sedimentary

• Igneous

• Volcanic

• Metamorphic

Which type of rock is formed from the pieces leftover from weathering of rock over many millions of years?

• Volcanic

• Sedimentary

• Metamorphic

• Igneous

Liam has a rock that is smooth and glassy, and was formed by lava that cooled very quickly after a volcanic eruption. What type of rock does Liam have?

Luster describes how minerals reflect light. Which of the following does NOT describe luster?

• Shiny

• Glassy

• Metallic

• Pink

Igneous rock is made up of very large crystals, which are made up of ____________.

Ms. Hoffman's class is observing mineral samples on a nature hike. They record notes about the mineral samples by observing or touching each mineral. Which properties will they be able to observe and record? Check all that apply.

• Luster

• Color

• Hardness

• Texture

Rocks that are deposited in layers over millions of years are called _________________________.

Conner scrapes a mineral across a white tile. What is he trying to find?

• Cleavage

• Streak color

• Magnetism

• Hardness