Weathering and Erosion

This rock was formed when heat and pressure changed its minerals around into new minerals. What type of rock is it?

• Metamorphic Rock
• Igneous Rock
• Sedimentary Rock
• Boring Rock

This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?

• Sedimentary Rock
• Metamorphic Rock
• Igneous Rock

Tags

NGSS.MS-ESS2-2

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

Julian has found a rock and decides that it is igneous. How would he describe the rock?

• a white rock that is smooth and easily crumbles

• a soft, light-colored rock that contains a lot of shells

• a black, smooth rock that can be burned for energy

• a dark, shiny rock that formed quickly from lava

What does the Mohs Scale measure?

• Streak
• Luster
• Hardness
• Cleavage

________________ describes how light reflects off a mineral.

• Luster
• Hardness
• Fracture
• Color

Tags

NGSS.MS-PS4-2

Which of the following is an example of luster?

• Soft
• White
• Metallic
• Hard

When a mineral breaks smoothly and evenly.

• Luster
• Cleavage
• Hardness
• Fracture

Rubbing a mineral on a streak plate determines the color of the mineral's _____________

• Surface
• Interior
• Powder
• Crystals

A scientist wants to determine a rocks cleavage. What action should the scientist take to test the cleavage?

• Break the rock to see what shape the pieces make

• Scrape the rock against a hard surface to see what color it makes

• Look closely at the sample to see if it reflects light

• Scratch it with his fingernail to see if he can make a mark