rocks and minerals end of unit test

During a science class, a teacher explains that the samples the students are studying are made of two or more minerals. What are the students studying?

• gases

• rocks

• elements

• molecules

Which statement is true about roocks?

• Minerals are made of rocks.

• Crystals are made of rocks.

• Rocks are made of one or more minerals

• Magma is made of solid rock.

Tags

NGSS.MS-ESS2-1

Which type of rock forms by weathering?

• igneous rock

• extrusive rock

• sedimentary rock

• metamorphic rock

Which type of rock is made when molten material cools and hardens?

• igneous

• sedimentary

• metamorphic

Sedimentary rock helps scientists piece together the history of Earth MOST likely using clues from

• humus

• soil

• gravel

• fossils

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which type of rock is formed when particles are compacted and cemented together?

• igneous

• metallic

• metamorphic

• sedimentary

Students observed that a diamond was able to scratch a piece of talc. What does this observation BEST support?

• Diamonds have sharp edges

• Talc is softer than diamonds

• Diamonds are very valuable

• Talc and diamonds are both minerals

Students have a rock sample that may contain the mineral hematite. They know that hematite has a red or rusty streak. How can the students determine the color of the streak in the rock sample?

• use a rock with a known mineral to strike the sample

• rub the mineral on a piece of unglazed clay tile

• use a file to break off a piece of the sample

• scratch the sample with an iron nail

Anita is testing minerals in her science class. Her job is to test the shine, or the way the mineral reflects light. Which is Anita most likely testing?

• color

• hardness

• luster

• streak

John was able to use his fingernail to scratch a mineral he collected on a field trip. Which mineral did he most likely collect?

• apatite

• calcite

• flourite

• talc