The table shows the hardness of various minerals. Select four minerals that would scratch a copper penny with a hardness of 3.5.

Feldspar Creedite Hematite Moissanite

Alabaster Feldspar Creedite Hematite

Creedite Hematite Moissanite Mica

Hematite Moissanite Mica Alabaster

What is the Mohs hardness scale used to figure out?

which minerals can scratch other minerals

the color of the mineral's streak

which minerals reflect the most light

A scientist wants to find out what type of mineral she has. What is the best way for her to find out?

She could look at the color, hardness, and luster.

She could look at the weight, hardness, and color.

She could look at the color, weight, and size.

She could look at the luster, size, and hardness.

The table gives some traits of a mineral called calcite. According to the Mohs hardness scale, any substance can be scratched by a substance with a higher hardness rating. Things with equal hardness can only scratch each other with a good deal of effort. The table below lists the hardness of common materials. A student has several samples of rocks. A rock that is made of calcite will most likely have which group of characteristics?

light-colored, can be scratched by a fingernail or copper penny, makes a white streak

light-colored, cube-shaped, easily scratches a fingernail

white in color, can be scratched by a steel file, makes a brown streak

transparent in color, 6-sided shape, easily scratches a glass plate or a steel knife

During the analysis of a rock sample, a geologist concludes that the sample was made up of smaller pieces of rock, sand, and minerals that were transformed into a new type of rock through heat and high pressure. How should the geologist classify the sample?

It should be classified as metamorphic rock.

It should be classified as sedimentary rock.

It should be classified as igneous rock.

It should be classified as plutonic rock

Which is an example of the rock cycle?

Minerals are heated under pressure and form rocks that erode and become soil.

Minerals are broken down into small rocks that erode and become soil.

Minerals are broken down into small minerals that precipitate and become rock.

Minerals are heated under pressure and form other minerals that evaporate and become rock.

Michelle studies the sample of rock shown below. Michelle decides that the sample is from a sedimentary rock. Which sentence explains why Michelle classifies the sample as sedimentary rock?

The layers show that the rock was formed by one or more minerals that compacted over time.

The layers show that the rock was formed by a single element under high pressure.

The layers show that the rock was formed by a single element under extreme heat.

The layers show that the rock was formed by one or more minerals that cooled very quickly.

Coal is a sedimentary rock formed through

buried organic debris, compressed and heated, leaving carbon behind.

the erosion of granite, through exposure to calcium carbonate.

the cooling of magma, brought to the surface through fissures.

compaction of limestone, where interlocking crystals form underground.

Which best explains why scientists found fossils for many different mammals and green plants in a desert area?

The area was once able to support different kinds of life.

The area was once underwater and dried up over time.

The area did not change very much over time periods.

The area had a colder climate during earlier time periods.

A scientist was studying layers of earth in the side of a mountain. In the lower layers, she found fossils of reindeer and polar bears. In the upper layers, she found fossils of coyotes and squirrels. Which conclusion most likely explains the different fossils?

The climate was very cold in earlier time periods and became warmer in later time periods.

The climate was very hot in earlier time periods and became colder in later time periods.

The climate was wet in earlier time periods and became drier in later time periods.

The climate was dry in earlier time periods and became wetter in later time periods.

Moose can only survive in colder climates. Which would most likely explain finding moose fossils in an area with a warm climate?

The area used to have a much colder climate.

All organisms used to be able to survive in warm climates.

The fossils were washed to the area by a current of water.

The moose migrated to a warm area to reproduce.

The diagram shows fossils that were discovered in three different regions of Wyoming. Which best describes the relationship between the three fossils?

The fossils formed from organisms living in the same time period.

The fossils all formed from similar species of organisms.

The fossils all formed from an episode of mass extinction.

The fossils formed from organisms that lived in the same environment.

A student made a mistake when making a table of three ways to identify minerals and rocks. What mistake did the student make?

Rocks are not identified by their hardness.

Rocks are not identified by their shape.

Minerals are not identified by their color.

Minerals are not identified by their streak.

Where would be the best place for Reena to dig for an igneous rock with large mineral crystals?

Reena should dig deep in the ground because larger crystals form when magma cools slowly.

Reena should dig deep in the ground because larger crystals form when magma heats quickly.

Reena should dig near the surface because larger crystals form when magma cools quickly.

Reena should dig near the surface because larger crystals form when magma heats slowly.

A scientist studied plant fossils she found in layers of earth in a mountainside. She put her findings in the table. Which changes in the environment most likely explain the different fossils?

The area went from being dry, to being very cold, to being underwater over time.

The area went from being very hot, to being cool, to being very cold over time.

The area went from being very hot, to being moist, to being very dry over time.

The area went from being cold, to being underwater, to being very dry over time.

Where do scientists find evidence that the Earth's crust has been lifted above its original level?

fossils of sea animals found on mountaintops

fossils of sea animals deep in oceans

Which best explains why scientists found fossils for many different mammals and green plants in a desert area?

The area was once able to support different kinds of life.

The area was once underwater and dried up over time.

The area did not change very much over time periods.

The area had a colder climate during earlier time periods.

Unit 3.1 Study Guide Review

Quiz

•

Science

•

6th - 8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS4-1, MS-ESS2-1, MS-PS1-1

+7

Standards-aligned

Tabatha Duffey

Used 4+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The picture shows a model of Earth's layers that Kenyatta was making. What mistake has Kenyatta already made in his model?

He marked the inner core as a gas.

He marked the outer core as a liquid.

He put the outer core in the wrong location.

He put the inner core in the wrong location.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which layer is the hot, convecting layer of Earth that lies directly under the crust?

the atmosphere

the outer core

the inner core

the mantle

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following shows where the asthenosphere, mantle, and core would be labeled on a model of Earth's layers?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram shows the layers of Earth.

Which statement best describes Layer 3 and Layer 5?

Layer 3 is the crust and Layer 5 is the mantle; both layers are hotter than Layer 1.

Layer 3 is the mantle and Layer 5 is the crust; both layers are hotter than Layer 1.

Layer 3 is the mantle and Layer 5 is the crust; both layers are cooler than Layer 1.

Layer 3 is the crust and Layer 5 is the mantle; both layers are cooler than Layer 1.

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The graph shows the percent of elements in Earth's crust.
If you were to dig up a random 200-kilogram sample of rocks, which element would you expect to represent about 5.2 kilograms of the sample? (multiply each % by 2 to get the answer)

Which layer of Earth is thought to be entirely liquid?

the crust

the mantle

the inner core

the outer core

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What contributes to Earth's high internal temperature?

sunlight

eclipses

magnesium

radioactive elements

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Unit 3.1 Study Guide Review

40 questions

The picture shows a model of Earth's layers that Kenyatta was making. What mistake has Kenyatta already made in his model?

Which layer is the hot, convecting layer of Earth that lies directly under the crust?

Which of the following shows where the asthenosphere, mantle, and core would be labeled on a model of Earth's layers?

The diagram shows the layers of Earth.

Which statement best describes Layer 3 and Layer 5?

The graph shows the percent of elements in Earth's crust.
If you were to dig up a random 200-kilogram sample of rocks, which element would you expect to represent about 5.2 kilograms of the sample? (multiply each % by 2 to get the answer)

Which layer of Earth is thought to be entirely liquid?

What contributes to Earth's high internal temperature?

What is the middle, partially melted zone of the interior of the earth called?

The table shows the hardness of various minerals.
Select four minerals that would scratch a copper penny with a hardness of 3.5.

Which of the following is NOT a test to help classify a mineral?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Unit 3.1 Study Guide Review

40 questions

The picture shows a model of Earth's layers that Kenyatta was making. What mistake has Kenyatta already made in his model?

Which layer is the hot, convecting layer of Earth that lies directly under the crust?

Which of the following shows where the asthenosphere, mantle, and core would be labeled on a model of Earth's layers?

The diagram shows the layers of Earth.Which statement best describes Layer 3 and Layer 5?

The graph shows the percent of elements in Earth's crust.If you were to dig up a random 200-kilogram sample of rocks, which element would you expect to represent about 5.2 kilograms of the sample? (multiply each % by 2 to get the answer)

Which layer of Earth is thought to be entirely liquid?

What contributes to Earth's high internal temperature?

What is the middle, partially melted zone of the interior of the earth called?

The table shows the hardness of various minerals.Select four minerals that would scratch a copper penny with a hardness of 3.5.

Which of the following is NOT a test to help classify a mineral?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

The diagram shows the layers of Earth.

Which statement best describes Layer 3 and Layer 5?

The graph shows the percent of elements in Earth's crust.
If you were to dig up a random 200-kilogram sample of rocks, which element would you expect to represent about 5.2 kilograms of the sample? (multiply each % by 2 to get the answer)

The table shows the hardness of various minerals.
Select four minerals that would scratch a copper penny with a hardness of 3.5.