About this Study Set
This study set covers Geology through
25 practice questions.
Basic facts about rocks, minerals, and the Earth for young learners. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 25 questions from the
Geology for Kids study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the very hot, solid center of the Earth called?
-
A
The crust
-
B
The inner core
-
C
The mantle
-
D
The ocean
2
Which type of rock is formed from cooled lava or magma?
-
A
Igneous
-
B
Sedimentary
-
C
Metamorphic
-
D
Sand
3
What is the hardest natural mineral on Earth?
-
A
Gold
-
B
Silver
-
C
Diamond
-
D
Quartz
4
Which layer of the Earth do humans live on?
-
A
The core
-
B
The mantle
-
C
The crust
-
D
The atmosphere
5
What are pieces of rock and dirt called when they are very small?
-
A
Boulders
-
B
Sediment
-
C
Mountains
-
D
Canyons
6
Which of these is a type of rock formed by layers of sand and mud pressing together?
-
A
Igneous
-
B
Sedimentary
-
C
Crystal
-
D
Magma
7
What is a naturally occurring solid material made of chemicals called?
-
A
A mineral
-
B
A leaf
-
C
A plastic
-
D
A liquid
8
What do we call a mountain that can erupt with lava?
-
A
A hill
-
B
A volcano
-
C
A plateau
-
D
A valley
9
What is the name of the study of the Earth, its rocks, and its history?
-
A
Biology
-
B
Astronomy
-
C
Geology
-
D
History
10
Which of these is NOT a rock?
-
A
Granite
-
B
Basalt
-
C
Sandstone
-
D
Water
11
What do we call the patterns or prints of old animals found in rocks?
-
A
Crystals
-
B
Fossils
-
C
Gemstones
-
D
Sediment
12
Which layer of the Earth is located just below the crust?
-
A
The mantle
-
B
The inner core
-
C
The outer core
-
D
The surface
13
What is melted rock called while it is still under the ground?
-
A
Lava
-
B
Magma
-
C
Ash
-
D
Dust
14
What is melted rock called once it comes out of a volcano?
-
A
Lava
-
B
Magma
-
C
Salt
-
D
Crystal
15
Which type of rock is formed when existing rocks are changed by heat and pressure?
-
A
Igneous
-
B
Sedimentary
-
C
Metamorphic
-
D
Silt
16
What are very large, round pieces of rock called?
-
A
Boulders
-
B
Sand
-
C
Dust
-
D
Pebbles
17
Which substance makes up most of the Earth's surface?
-
A
Gold
-
B
Water
-
C
Diamond
-
D
Iron
18
What tool do geologists use to see small details on rocks?
-
A
Telescope
-
B
Microscope
-
C
Magnifying glass
-
D
Camera
19
Which of these is a shiny, yellow metal found in the ground?
-
A
Gold
-
B
Coal
-
C
Clay
-
D
Chalk
20
What is a deep, narrow valley with steep sides usually cut by a river?
-
A
Canyon
-
B
Hill
-
C
Plain
-
D
Island
21
What do we call the solid part of the Earth's surface?
-
A
Ocean
-
B
Atmosphere
-
C
Land
-
D
Cloud
22
Which of these is a common rock used to make sidewalks?
-
A
Concrete
-
B
Granite
-
C
Plastic
-
D
Rubber
23
What is the name for large piles of sand shaped by the wind?
-
A
Dunes
-
B
Canyons
-
C
Caves
-
D
Plateaus
24
Which of these is a very soft rock that can be used to write on a chalkboard?
-
A
Chalk
-
B
Diamond
-
C
Granite
-
D
Basalt
25
What is the natural process that breaks rocks into smaller pieces over time?
-
A
Weathering
-
B
Melting
-
C
Freezing
-
D
Burning
