Question 1

What is the definition of density?

Accepted Answer

Density is the mass of an object divided by its volume.

Answer

Density is the amount of space an object occupies.

Answer

Density is the total weight of an object.

Answer

Density is how heavy an object is.

Question 2

What is meant by the term 'Continental Drift'?

Accepted Answer

Continental Drift is the idea that continents have moved and are still moving away.

Answer

Continents sink into the ocean

Answer

Continents are formed from oceanic crust

Answer

Continents remain in the same place

Question 3

What happens during sea-floor spreading?

Accepted Answer

New oceanic crust is formed at mid-ocean ridges and pushes older crust away.

Answer

Crust collapses

Answer

Crust gets recycled into the mantle

Answer

Oceanic crust becomes continental crust

Question 4

What is the main difference between weathering and erosion?

Accepted Answer

Weathering breaks down rocks, while erosion involves the transport of those broken pieces.

Answer

Weathering transports minerals, erosion does not

Answer

Weathering occurs quickly, erosion occurs slowly

Answer

Weathering only affects soil, erosion affects rocks

Question 5

What is a half-life?

Accepted Answer

Half-life is the time required for half of a radioactive substance to decay.

Answer

The time it takes for minerals to form

Answer

The time it takes to find fossils

Answer

The age of the Earth

Question 6

What are two types of earthquake waves?

Accepted Answer

The two major types of earthquake waves are P-waves and S-waves.

Answer

Surface waves and Air waves

Answer

Compression waves and Shear waves

Answer

Elastic waves and Sound waves

Question 7

What are the two types of Earth's crust?

Accepted Answer

Continental and Oceanic

Answer

Solid and Liquid

Answer

Inner and Outer

Answer

Plastic and Solid

Question 8

Which layer of the Earth is liquid?

Accepted Answer

Outer Core

Answer

Mantle

Answer

Inner Core

Answer

Crust

Question 9

What does the term 'uniformitarianism' mean in geology?

Accepted Answer

The principle that present geological processes are the same as those in the past.

Answer

The concept that the Earth is static

Answer

The idea that Earth's processes are always changing

Answer

The belief that geological events happen instantaneously

Question 10

Which one of these liquids would sink to the bottom?

A = 1.3 g/mL

B = 0.8 g/mL

C = 1.34 g/mL

D = 1.0 g/mL

Accepted Answer

C

Answer

D

Answer

B

Answer

A

Question 11

What is the definition of density?

Accepted Answer

Density is the mass of a substance divided by its volume.

Answer

Density is the temperature of a substance

Answer

Density is the weight of an object

Answer

Density is the volume of a substance multiplied by its mass

Question 12

What describes the movement of convection currents in the mantle?

Accepted Answer

The movement occurs due to differences in density caused by temperature variations.

Answer

Convection currents are static and do not move.

Answer

Convection currents move due to gravitational pull.

Answer

Convection currents are caused by magma solidifying.

Question 13

What is continental drift?

Accepted Answer

The gradual movement of continents over time.

Answer

The sinking of continents into the ocean

Answer

The formation of mountains

Answer

The breaking apart of tectonic plates

Question 14

What is the difference between relative and absolute dating?

Accepted Answer

Relative dating places events in order without precise dates, while absolute dating provides specific ages.

Answer

Relative dating is less accurate than absolute dating.

Answer

Relative dating measures physical changes, absolute dating does not.

Answer

Relative dating uses carbon dating, absolute does not.

Question 15

What are the three sizes of pieces inside soil?

Accepted Answer

Sand, Silt, and Clay

Answer

Organic Matter, Water, and Air

Answer

Air, Moisture, and Minerals

Answer

Dust, Rocks, and Water

Question 16

What are the Earth's compositional layers?

Accepted Answer

The compositional layers are the crust, mantle, and core.

Answer

The continental crust and oceanic crust

Answer

The inner core, outer core, and mantle

Answer

The crust, lithosphere, and asthenosphere

Question 17

Why do we know the Earth has layers despite never having dug past the crust?

Accepted Answer

We know the Earth has layers due to seismic waves and indirect evidence.

Answer

Because of the color variation in rocks

Answer

Only through drilling

Answer

Because we can see the layers from outer space

Question 18

What are convection currents and how do they relate to density?

Accepted Answer

Convection currents are caused by the movement of fluid due to density differences, where warmer, less dense fluid rises and cooler, denser fluid sinks.

Answer

They are solid currents in the crust

Answer

They are currents that do not depend on temperature

Answer

They involve only gas movement

Question 19

How is erosion different from weathering?

Accepted Answer

Erosion is the process of transporting soil and rock from one location to another, while weathering is the breakdown of rocks and minerals at their place of origin.

Answer

Erosion occurs only in water

Answer

Weathering only happens in cold climates

Answer

They are the same process

Question 20

What is frost wedging?

Accepted Answer

A type of weathering that occurs when water freezes and expands in cracks of rocks.

Answer

A method of erosion by wind.

Answer

A type of chemical change.

Answer

A process of soil formation.

Question 21

What is relative dating?

Accepted Answer

Relative dating determines the age of rocks based on their position in layers.

Answer

Relative dating gives an exact age of rocks.

Answer

Relative dating is only for fossils.

Answer

Relative dating uses radioactive decay.

Question 22

What is a major type of earthquake wave that moves side to side?

Accepted Answer

S-wave

Answer

P-wave

Answer

R-wave

Answer

L-wave

Question 23

Which layer of the Earth is described as 'plastic' and 'ooey-gooey'?

Accepted Answer

Mantle

Answer

Inner Core

Answer

Outer Core

Answer

Crust

Question 24

What is a plate boundary?

Accepted Answer

It is where two plates meet.

Answer

It is only where crust is recycled.

Answer

It is where new crust is created.

Answer

Its the name for the supercontinent 200 million years ago.

Question 25

What of the following best describes weathering by abrasion?

Accepted Answer

Its when something breaks down a rock by scraping it

Answer

A rock breaks down because water gets in a crack and freezes

Answer

Acid dissolves the rock

Answer

A plant root breaks a rock apart

Question 26

Which of these would NOT speed up chemical weathering of a rock?

Accepted Answer

Frost wedging

Answer

Surface Area

Answer

Acidity

Answer

Temperature

Question 27

Which earthquake wave always arrives at a seismic station first?

Accepted Answer

P-wave

Answer

S-wave

Answer

Temporal wave

Answer

J-wave

Question 28

Which of these would cause the MOST erosion to happen?

Accepted Answer

Water moving doiwn a steep hill

Answer

A chicken picking up and moving a pebble

Answer

Wind blowing gently across a field

Answer

Water sitting still on flat land

Question 29

Where is the newest crust/rock found on Earth?

Accepted Answer

Divergent plate boundaries

Answer

Convergent plate boundaries

Answer

Transform plate boundaries

Answer

All crust is the same age

Question 30

What BEST defines what soil contains?

Accepted Answer

Rocks, humus, air/water

Answer

Snips, snails, and puppydog tails

Answer

Living things, air, and water

Answer

Sand, silt, clay, and loam

Question 31

What is a half-life?

Accepted Answer

The amount of time it takes for half of an element to decay

Answer

Dating method that can only tell us about (but not exactly) how old something is.

Answer

A long period of time between when fossils where made

Answer

Amount of time it takes for all the halves of the element to decay

Question 32

What is subduction?

Accepted Answer

When one plate sinks under another at a convergent boundary

Answer

Where two plates move past each other without creating or recycling crust

Answer

When one plates goes over top of another at a divergent boundary

Question 33

What was the name of the supercontinent that existed 250 million years ago?

Accepted Answer

Pangaea

Answer

Pandora

Answer

Gondwanaland

Answer

Laurasia

Question 34

What are the two types of crust?

Accepted Answer

Continental and oceanic

Answer

P-waves and S-waves

Answer

Inner and Outer Core

Answer

Convergent and divergent

Question 35

About how old is the Earth?

Accepted Answer

4.5 billion years old

Answer

Timeless

Answer

4.5 million years old

Answer

4,000 years old

Question 36

What is the primary assumption behind the concept of Uniformitarianism?

Accepted Answer

The present is the key to the past.

Answer

The present changes rapidly.

Answer

The past has no influence on the present.

Answer

The past is always unknown.

Question 37

How does a seismograph measure earthquakes?

Accepted Answer

It measures the motion and intensity of seismic waves.

Answer

It uses a thermometer to detect heat.

Answer

It measures the pressure in the ground.

Answer

It counts the number of waves.

Question 38

What happens during sea floor spreading?

Accepted Answer

New oceanic crust is formed as tectonic plates pull apart.

Answer

Crust is destroyed.

Answer

Continents collide.

Answer

Mountains are formed.

Question 39

What is an epicenter?

Accepted Answer

It is the location of an earthquake on a map (surface)

Answer

It is the true location of an earthquake underground

Answer

None of these

Answer

It is where all the P-waves and S-waves arrive at

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