OST Earth Science Review

Waves wash sand onto land until a beach is formed

• Mechanical Weathering
• Chemical Weathering
• Erosion
• Deposition

A flash flood washes away the side of a river bank

• Mechanical Weathering
• Chemical Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

The small peices of rock that break off of a larger rock during weathering are called...

• Sediment
• Salt
• Erosion
• Deposition

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust
• crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle

Earth's inner core is...

• a dense ball of solid iron and nickel.
• a layer of molten iron and nickel.
• a layer of hot rock.
• a layer of rock that forms Earth's outer skin.

A scientist finds a snail fossil in a layer of rock in a desert.

Which action would help the scientist determine what the environmental conditions may have been when the snail existed?

• looking for more fossils in different layers of rock

• counting the number of similar snail fossils in other parts of the world

• analyzing the characteristics of other plant and animal fossils found in the same layer of rock

• recording information about plants and animals living in the desert today, near where the fossil was found

What are the two kinds of crust?

• lithospheric and asthenospheric
• silicon based and iron based
• continental and oceanic
• outer and inner

Secondary waves can pass through __________.

• solids

• liquids

• gases

• all

Tags

NGSS.MS-PS4-2

Which of the following statements is TRUE?

• The inner core is less dense than the outer core.

• The continental crust is denser than the oceanic crust.

• The oceanic crust is denser than the continental crust.

• The lower mantle is less dense than the asthenosphere.

Primary (P) Waves can pass through...

• solids only

• liquids only

• gases only

• solids, liquids, and gases

Tags

NGSS.MS-PS4-2