Earth Science Basics
EARTH’S LAYERS & PLATES
VOLCANOES & ROCK CYCLE
VOCABULARY ⭐
MISCELLANEOUS
100

What is geology?
A. Study of plants and animals
B. Study of Earth, what it’s made of, and how it changes
C. Study of weather
D. Study of oceans

B. Study of Earth, what it’s made of, and how it changes

100

Which layer is hot, dense rock that slowly moves?
A. Crust
B. Mantle
C. Inner core
D. Outer core

B. Mantle

100

Rock formed from cooled magma or lava:
A. Sedimentary
B. Metamorphic
C. Igneous
D. Fossil

C. Igneous

100

What does deposit mean?
A. Remove
B. Leave behind
C. Melt
D. Break apart

B. Leave behind

100

Which three words are most important in geology?
A. Wind, water, land
B. Heat, pressure, time
C. Rock, sand, soil
D. Lava, magma, ash

B. Heat, pressure, time

200

What evidence supports the idea that continents were once connected?
A. Ocean waves
B. Matching fossils on different continents
C. Tsunamis
D. Volcanoes

B. Matching fossils on different continents

200

Which layer is liquid metal?
A. Crust
B. Mantle
C. Inner core
D. Outer core

D. Outer core

200

Rock formed from bits of material pressed together:
A. Igneous
B. Metamorphic
C. Sedimentary
D. Lava

C. Sedimentary

200

Which sentence uses exert correctly?
A. I exerted asleep.
B. She exerted a feeling.
C. He exerted effort to climb the hill.
D. The exert was loud.

C. He exerted effort to climb the hill.

200

How old are the oldest Grand Canyon rocks?
A. 230 million years
B. 5 million years
C. 2 billion years
D. 10 thousand years

C. 2 billion years

300

Which layer of Earth is thin, rocky, and covered by land or water?
A. Mantle
B. Outer core
C. Inner core
D. Crust


D. Crust

300

What forms when one plate slides under another?
A. Seafloor spreading
B. Ocean trench
C. Mountain range
D. Plateau

B. Ocean trench

300

Rocks changed by heat and pressure are called:
A. Igneous
B. Sedimentary
C. Magma
D. Metamorphic

D. Metamorphic

300

What does firsthand mean?
A. Heard from someone else
B. Read in a book
C. Experienced personally
D. Imagined

C. Experienced personally

300

Geologists usually think about time in:
A. Days
B. Years
C. Hundreds of years
D. Millions of years

D. Millions of years

400

How can tectonic plates move?
A. Melt and freeze
B. Slide past or pull apart
C. Sink and float
D. Crack and dissolve

B. Slide past or pull apart

400

What natural events can plate movement cause?
A. Hurricanes
B. Floods
C. Earthquakes and tsunamis
D. Blizzards

C. Earthquakes and tsunamis

400

A volcano that hasn’t erupted in over 10,000 years is:
A. Active
B. Dormant
C. Extinct
D. Explosive

C. Extinct

400

⭐DAILY DOUBLE!

What does fault mean in geology?

A. A mistake
B. A crack in Earth’s crust
C. A mountain
D. A low area

B. A crack in Earth’s crust

400

Where is the oldest rock layer found?
A. Upper rim
B. Middle layer
C. Inner gorge
D. Riverbed

C. Inner gorge

500

What causes volcanoes to form at plate boundaries or hotspots?
A. Wind erosion
B. Pressure and heat pushing magma upward
C. Cooling ocean water
D. Sediment buildup

B. Pressure and heat pushing magma upward

500

What explains continents slowly moving over time?
A. Erosion
B. Weathering
C. Continental drift
D. Deposition

C. Continental drift

500

How does erosion change rocks?
A. Melts them
B. Breaks them into smaller pieces
C. Turns them into lava
D. Moves plates

B. Breaks them into smaller pieces

500

What is a subduction zone?
A. Where rivers meet
B. Where lava cools
C. Where one plate slides under another
D. Where fossils form

C. Where one plate slides under another

500

Is the Grand Canyon fully formed?
A. Yes, long ago
B. Yes, recently
C. No, it is still forming
D. Scientists don’t know

C. No, it is still forming