Earth Science Practice Quiz 1

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Choose the best answer for each questions. Some questions may have more than one correct answer. You will receive immediate feedback on your responses. Good luck!

What is occurring at the mid-Atlantic Ridge?

1 point

The plates are moving toward one another

The plates are moving apart from one another

The plates are sliding past each other

The plates are stationary

Clear selection

A convergent boundary is when: *

1 point

Plates are pulling apart from each other

Plates are crashing into each other

Plates are sideswiping each other

None of these are correct

Is it a rock? Check all that apply.

1 point

Limestone

Concrete

Marble

Plastic

Garnet

Coal

Slate

Where do the Earth's layers come from? *

1 point

the order that meteoroid strikes on Earth

the density of materials in the early stages of Earth

magnetic fields that pull on Earth's materials

early volcanic eruption on Earth

Which best explains how albedo contributed to the creation of Snowball Earth?

1 point

Ice has a high albedo so it reflects sunlight, creating a positive feedback loop of cooling.

Ice has a low albedo so it absorbs sunlight, creating a positive feedback loop of cooling.

Ice has a high albedo so it reflects sunlight, creating a negative feedback loop of cooling.

Ice has a low albedo so it absorbs sunlight, creating a negative feedback loop of cooling.

Clear selection

What was the unified land mass that contained today's continents? *

1 point

Pangaea

Snowball Earth

Volcanic hotspots

Gondwana

Choose the best definition for the Law of Superposition: *

1 point

Sedimentary rocks form layers that become buried under newer layers over time

Lays of sedimentary rock are horizontal when they are formed

Fossils specific to a particular point in time or deposition layer that can indicate layer alignment

Boundaries between rocks that mark the collision between two of the planet’s tectonic plates

True or false: If volume is constant, then density doesn't affect displacement. *

1 point

True

False

Not enough information

What is the importance of matching fossils from eastern coast South America and western coast of Africa? *

1 point

Shows that prehistorical animals can travel further distances

Oceans were lower so there used to be a land bridge connecting the two countries

Because of continental drift they were once connected

Volcanoes in Africa exploded and pushed all the animals to South America

Which diagram shows a positive feedback system? Choose all that apply.

1 point

Option

Option 1

Option 3

Option 4

What are the four layers that make up Earth? *

1 point

Outer core, middle core, mantle, crust

Outer core, inner core, mantle, crust

Outer core, inner core, mantle, surface

Outer core, middle core, mantle, surface

True or false: The deepest layer of rock is the youngest layer.

1 point

True

False

Impossible to tell

Clear selection

What is the difference between explosive and effusive eruptions?

1 point

Explosive eruptions are when the magma is fiercely fragmented and rapidly expelled from a volcano. Effusive eruptions are when lava steadily flows out a volcano onto the ground.

Explosive eruptions are when lava steadily flows out a volcano onto the ground. Effusive eruptions are when the magma is fiercely fragmented and rapidly expelled from a volcano.

Explosive eruptions occurs when magmas reaches the surface. Effusive eruptions occurs where cooler magmas reaches the surface.

Explosive eruptions build up gentle sloping shield volcanoes. Effusive eruptions build up steep sloping composite volcanoes

Clear selection

What answer is in the correct order from earliest to latest? *

1 point

Formation of the Earth, Snowball Earth, Formation of bacteria, First plants, Dinosaurs

Formation of the Earth, Formation of bacteria, Snowball Earth, First plants, Dinosaurs

Formation of the Earth, Formation of bacteria, Snowball Earth, Dinosaurs, First plants

Formation of the Earth, Formation of bacteria, First plants, Snowball Earth, Dinosaurs

What factor determines whether an item will float or sink?

1 point

Gravity

Displacement

Density

Volume

Clear selection

Which theory came first, the continental drift or plate tectonics? *

1 point

Continental drift

Plate tectonics

They are the same theory

No one knows

If we place the Earth on a 24-hour clock, approximately what time did the first animal appear? *

1 point

7 pm

7 am

noon

12 am

Submit

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