Earth's Layers and the Rock Cycle

Density, Layers of the Earth, Rock Cycle review

What is Density?

Density is a ratio between mass and volume inside a specific object

The Unit for Mass is Grams (g)

The Unit for Volume is (cm3 or mL) a

Multiple Choice

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

Multiple Choice

Which units of measurement are used for volume?

• grams
• centimeters
• grams/milliliter
• milliliter

Multiple Choice

An eraser has a mass of 4g and a volume of 2cm³. What is its density?

• 8 g/cm³
• 2 g/cm³
• 1/2 g/cm³
• 24 g/cm³

Multiple Choice

A rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Multiple Choice

What is the density of a liquid that has a mass of 27g and a volume of 30mL?

• 0.9 g/mL
• 3 g/mL
• 57 g/mL
• 810 g/mL

Multiple Choice

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

Layers of the Earth!

Layers of the Earth

• The left side of the crosscut of the Earth is all of the compositional layers of the earth. These three layers are broken down into the mechanical layers whcih are on the right side, of the slice.

• The Mechanical layers of the Earth, are the specific moving pieces within the man compositional layers.

Multiple Choice

What is the center of the Earth called?

• Mantle

• Crust

• Biosphere

• Core

Multiple Choice

What layer helps to support the Earth's crust?

• Outer Core

• Mantle

• Crust

• Core

Multiple Choice

What layer is the thinnest outer layer of the Earth and is made of minerals that make up the rock we stand on?

• Outer Core

• Crust

• Mantle

• Core

Multiple Choice

What layer is the deepest layer beneath the Earth's surface at 1,500 miles and is considered to be a solid iron ball because of the pressure it is placed under?

• Outer Core

• Crust

• Mantle

• Inner Core

Rock Cycle!

Multiple Choice

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

Multiple Choice

The three groups of rocks are classified by

• How they form
• Color
• Grain size
• Chemical Composition

Multiple Choice

What is process in which water, wind, and heat break down rock?

• weathering
• exfoliation
• cementation
• composition

Multiple Choice

The process by which metamorphic rocks are formed...

• heat and pressure
• erosion and deposition
• melting and cooling

Multiple Choice

The process by which igneous rocks are formed...

• heat and pressure
• melting and cooling
• weathering and erosion

Multiple Choice

The process by which metamorphic rock changes to igneous rock begins with

• melting

• erosion

• deposition

• crystallization

Multiple Choice

The process when rocks break into smaller pieces due to exposure to natural elements is called

• erosion
• weathering
• sediments

Multiple Choice

When sediments are pressed together tightly, this is called ____________.

• Compaction
• Cementation
• Weathering
• Erosion

Multiple Choice

If heat and pressure inside the Earth cause a rock to melt, the material that formed would be

• Metamorphic
• Magma
• Sedimentary
• Igneous

Multiple Choice

Fossils are only found in

• Sedimentary rocks
• Foliated Metamorphic rocks
• Igneous Rocks
• Nonfoliated Metamorphic rocks