Why does hot magma rise?

The magma's molecules become less dense

How tightly packed the particles are

What is a difference between the inner and outer core?

The inner core is solid and the outer core is liquid

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Earth's Structure Review

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This is a quiz that reviews a 6th grade science class in NC for their earth 1st test.

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Questions 20

Answers

1
The lithosphere is ridged. What does this mean?
Solid and flexable
Soft and solid
Soft and jelly
Solid and not flexable
2
What is a geologic activity?
A Flood
A Volcanic Eruption
A Cliff
A River
3
Why does hot magma rise?
Gravity
The magma's molecules become less dense
The magma's molecules become more dense
Newton's laws
4
Which statement describes the mantle?
It is less dense than the core
It is the hottest layer
This layer is at the center of the Earth.
It is the smallest layer
5
What is the core made out of?
Iron and Silicon
Iron and Nickle
Silicon and Mercury
Oxygen and Hydrogen
6
I am going to do GREAT on my test! : D MY TEACHER THINKS I'M AWESOME!!!
False
True
7
Which is the most dense layer of Earth?
Mantle
Inner Core
Outer Core
Crust
8
What does the Earth's magnetic field protect us from?
All of the above
Solar Flares
Radiation
Solar Wind
9
What is a geologic structure?
An earthquake
A thunderstorm
A Mountain
A tornado
10
Which 2 layers of the Earth are a liquid?
Mantle & Outer Core
Outer & Inner Core
Crust & Inner Core
Mantle & Crust
11
What is density?
How heavy it is
How tightly packed the particles are
How much space something takes up
How many particles there are
12
What causes the convection in the mantle?
Heat from the Beyonce
Heat from the core
Heat from the moon
Heat from the sun
13
Which describes the crust. . .?
It has plates that move around
It is the hottest layer
It has the highest density .
It is the thickest layer
14
Oceanic crust is ______________ dense than continental crust.
none of the above
less
more
the same
15
Which is the least dense layer of Earth?
Outer Core
Mantle
Crust
Inner Core
16
Which layer of the Earth is responsible for generating the Earth's magnetic field?
Core
Mantle
The sun
Crust
17
Which layers of the Earth does convection occur?
Outer Core & Inner Core
Crust & Mantle
Inner Core & Crust
Mantle & Outer Core
18
What is a difference between the inner and outer core?
The inner core is liquid and the outer core is a solid
None of the above
The inner core is less dense than the outer core
The inner core is solid and the outer core is liquid
19
Earthquakes and volcanoes mainly happen on plate boundaries. What is a plate boundary?
None of the above
The edges of a plate
The center of a plate
3 plates running together
20
What does GEO mean?
Earth
Dirt
Butterfly
Water

Earth's Structure Review Flashcards | StudBud