1st 9 Weeks Exam Review

Why is a streak test important in identifying a mineral?

• It will determine if the mineral is brittle.

• It will determine if the mineral can be turned into a powder.

• The streak color will differ even if the minerals are the same.

• The streak color will always be the same even if the mineral is different colors.

Which kind of rock is formed when volcanic lava cools? *

• igneous

• metamorphic

• sedimentary

• sediment

Which of the following is evidence to support the Theory of Continental Drift?

• fossils of the same organism found in both Georgia and Alabama

• mountain ranges of Canada continuing into the United States

• Coal fields of California and Alaska matching up with each other

• Africa and South America lining up like two puzzle pieces that go together.

Tags

NGSS.MS-ESS2-3

Extrusive rocks are formed by

• lava cooling on Earth's surface

• pressure inside Earth

• magma cooling below the Earth's crust

• tidal deposits of sediment

Which of the following is NOT a characteristic of a mineral?

• naturally occurring

• definite composition

• solid

• organic

Fossils of the fern plant Glossopteris have been found in Africa, Australia, South America, and Antarctica. How do scientists believe this happened?

• The wind blew seeds across the oceans from continent to continent.

• The fern developed independently on each continent.

• The continents were at one time joined together and then moved apart.

• The fern had adaptions to survive the different environments of the continents.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

The density is highest in the Earth's

• Crust

• upper mantle

• lower mantle

• core

Unglazed white or black porcelain is used to test which property?

• fracture

• density

• streak

• hardness

When magma reaches the surface of the Earth, it becomes

• gas

• steam

• energy

• lava

How are rocks classified?

• where the rocks are formed

• how the rocks were formed

• the color or shape of the rocks

• the chemical composition of the rocks