4th grade Science Chapter 8

4th grade Science Chapter 8

The Earth and its Functions

When looking at the Earth as a whole, you will identify several different sections.

Can you name each section?

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Multiple Choice

Earth is made of ___ parts.

• 1

• 2

• 3

• 4

Multiple Choice

The Earth's core has two parts. Which part is a solid feature?

• crust

• mantle

• outer core

• inner core

Multiple Choice

The part of the core that contains a thick liquid is...

• crust

• mantle

• outer core

• inner core

Multiple Choice

The outer area of the Earth is...

• crust

• mantle

• inner core

• outer core

Multiple Choice

The area of the crust between the core and the crust is called the

• crust

• mantle

• outer core

• inner core

Volcano

What are the parts of a volcano?

Multiple Choice

The top of the volcano where hot magma escapes is the....

• vent

• lava

• side vent

• crust

Multiple Choice

The crust of the Earth has to crack open to form the ___ of the volcano.

• lava

• side vent

• cone

• ash

Multiple Choice

The layer under the crust forms pressure causing the eruptions of the lava.

• magma

• vent

• lava

• ash

Multiple Choice

Once the volcano erupts, the surrounding air may be filled with

• volcanic lava

• Volcanic ash

• volcanic cones

• volcanic values

Multiple Choice

The hot red liquid that oozes from the volcano is called

• ash

• vents

• magma

• lava

Multiple Choice

What liquid pushes through the cracks of Earth?

• magma

• sediment

• molten rock

• volcanic ash

Multiple Choice

Which choice is the best explanation for erosion?

• the slow wearing away of rocks into smaller pieces

• sediment dropped by moving air, water, or ice

• movement of rock materials from one place to another.

The image above is a type of igneous rock called basalt.

The image here shows a type of igneous rock called obsidian.

Multiple Choice

Igneous rocks form when

• molten rock from Earth's mantle cools and hardens.

• molten rock from Earth's crust cools and hardens.

• a volcano erupts.

Multiple Choice

Basalt and obsidian are two types of igneous rock, what is another type of igneous rock

• granite

• marble

• quartz

Each of these rocks comes from metamorphic rock.

Multiple Choice

Metamorphic rock forms when existing rocks are changed by heat, pressure, or chemicals.

• True

• False

Multiple Choice

The process in which water vapor turns to liquid is called

• condensation

• complication

• condescending

Multiple Choice

Select the answer below that is not a type of rock.

• igneous

• metamorphic

• sedimentary

• wood bark

Multiple Select

What words could be used to describe rocks? (Check all that apply)

• hard

• soft

• rough

• smooth

Multiple Choice

Why is the ocean floor considered to be part of the Earth's crust?

• Rocks lie on the ocean floor just like the do on dry land.

• Rocks float in the ocean even at deep depths.

• Rocks are not a part of the ocean.

Multiple Choice

Which part of the Earth is considered a thick syrup?

• the upper part of the mantle.

• The inner core

• The outer core

• the curst