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Earth's Structure
Earth's Structure
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6th Grade Earth Science- Layers of the Earth, systems, and landforms
Flashcards
16 cards
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Questions
16
Answers
1
Most of Earth's water is salt water.
False
True
2
Which belongs to Earth’s geosphere?
coytote
mountain
carbon dioxide
oceans
3
Which layer of Earth has the greatest density?
mantle
crust
outer core
inner core
4
Which term describes the shape of a geographic area?
relief
topography
landform
elevation
5
How long ago do scientists believe our solar system formed?
6.4 million years ago
3.5 million years ago
4.6 billion years ago
2.5 billion years ago
6
The formation of Earth and its shape are due mostly to what force?
gravity
density
magnetism
temperature
7
What Earth system is water in a pond part of?
Atmosphere
Biosphere
Hydrosphere
Geosphere
8
Which of Earth’s systems makes up all the living organisms found on Earth?
Biosphere
Geosphere
Atmosphere
Cryosphere
9
Which part of Earth protects it from cosmic rays and charged particles coming from the Sun?
Geosphere
Asthenosphere
Magnetosphere
Biosphere
10
The different layers formed on Earth are due to the differences in _____ of the materials
volume
mass
climate
density
11
Scientists believe the deeper into the geosphere temperature and pressure increase.
True
False
12
Earth’s core is mostly made of which metal?
copper
zinc
nickel
iron
13
Which landform is most common on Earth?
Plataeus
Mountains
Canyons
Plains
14
Which term describes the height of an area above sea level?
elevation
landform
relief
incline
15
Which landform has low relief and low elevation?
valley
plain
mountain
plateau
16
As two objects move farther apart, what happens to the force of gravity between them?
it increases
it stays the same
it decreases
it increases then decreases
