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Changing Earth
Test Description: 2nd semester final 7th grade
Instructions: Answer all questions to get your test result.
1) What Is convection?
A
Heat transferred by movement of a material because of differences in density.
B
Occurs where plates scrape past each other
C
Occurs where plates move apart.
D
States that the Earth's lithosphere is made up of huge plates that move over the surface of Earth.
2) What is divergent boundary?
A
Occurs where plates scrape past each other
B
States that the Earth's lithosphere is made up of huge plates that move over the surface
C
Occurs where plates move apart.
D
When one plate sinks underneath another plate
3) What is the Theory of plate tectonic?
A
Occurs where two plates come together.
B
States that the Earth's lithosphere is made up of huge plates that move over the surface of Earth.
C
Point on Earth's surface directly above the focus
D
Occurs where plates move apart.
4) What is transform boundary?
A
Occurs where plates move apart.
B
Occurs where two plates come together.
C
Heat transfer by movement of a material because of differences in density.
D
Occurs where plates scrape past each other
5) What is convergent boundary?
A
The point underground where rocks first begin to move.
B
Occurs where plates scrape past each other
C
Occurs where plates move apart
D
Occurs where two plates come together
6) What Is a hot spot?
A
Vibrations caused by earthquakes
B
Occurs where plates move apart
C
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
D
When an animal looses hair and scratches in one location
7) What is subduction?
A
The point underground where rocks first begin to move
B
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
C
When one plate sinks underneath another plate
D
When a point on Earth's surface is directly above the focus
8) What is an epicenter?
A
Point on Earth's surface directly above the focus
B
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
C
Heat transfer by movement of a material because of differences in density
D
Vibrations caused by earthquakes
9) Seismic waves
A
Occurs where plates scrape past each other
B
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
C
Vibrations caused by earthquakes
D
Vibrations caused by earthquakes
10) What is focus?
A
States that the Earth's lithosphere is made up of huge plates that move over the surface of Earth.
B
Vibrations caused by earthquakes
C
The point underground where rocks first begin to move
D
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
11) What evidence did Alfed Wegener provide to support his idea of continental drift?
A
All of the above
B
Climate evidence
C
Fossil and rock
D
South America and Africa fit together
12) How is new sea floor made at mid-ocean ridges?
A
Magma rises and solidifies
B
Magma lowers and solidifies into the volcano
C
Magma
D
It collects at the bottom of the volcano
13) Have the magnetic poles of Earth switched multiple times?
A
maybe
B
yes
C
I don't know
D
no
14) What is the difference between a red eruption and a grey eruption?
A
Grey eruption is an explosive eruption and Red eruption is oozing lava
B
Red eruption is an explosive and Grey eruption is an oozing lave
C
Grey eruption has gas escaping and Red eruption is lava building up inside the volcano
D
Red eruption is oozing lava and Grey eruption is oozing lava
15) What are nutrients?
A
They are something we need to grow
B
All of the above
C
Carbs., proteins, and lipids
D
They provide energy
16) What are proteins made of?
A
Amino Acids
B
Carbohydrates
C
unsaturated
D
sugars
17) What is the difference between mechanical and chemical digestion?
A
all of the above
B
Mechanical digestion is when a bile breaks down; Chemical is when chewing breaks down food
C
Mechanical digestion is when you use tools to break down the substance
D
Mechanical is a physical breakdown; chemical digestion is when the acid breaks down the particles of food.
18) What is the main function of the excretory system?
A
It collects and remove waste from the body.
B
It removes waste and sends it to back to the stomach
C
it breaks down food and it has a physical change of smaller particles
D
It collects and uses the waste from the body
*select an answer for all questions
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