Section 1: Observing Rock

What two characteristics do scientists use to help them understand how they are formed?

• texture and size

• composition and color

• texture and composition

What a rock is made out of is called its

• texture

• composition

• layer

Tags

NGSS.MS-ESS2-1

A rock's texture describes what about the rock?

• the way the rock looks and feels

• the rock's color and size

• the rock's size and feels

Granite, made from large pink, white, gray and black grains is a type of

• igneous rock

• sedimentary rock

• metamorphic rock

Rocks, such as sandstone is made out of sediments, weathered rocks, and the remains of organisms.

• metamorphic rock

• igneous rock

• sedimentary rock

Tags

NGSS.MS-ESS2-1

Rock that is changed in composition or texture by heat and pressure are coarse-grained with wavy layers are called

• igneous rock

• sedimentary rock

• metamorphic rock

What type of is the picture showing?

• chemical sedimentary

• igneous rock

Tags

NGSS.MS-ESS1-4

This type of rock is formed when

• sediments join together

• lava cools

• chemical weathering occurs

Tags

NGSS.MS-ESS2-1

This type of rock forms under heat and pressure and creates new layers of rock

• metamorphic deformation

• chemical weathering

• physical weathering

Tags

NGSS.MS-ESS2-2