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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
Occurs where plates move apart.
B
Heat transferred by movement of a material because of differences in density.
C
States that the Earth's lithosphere is made up of huge plates that move over the surface of Earth.
D
Occurs where plates scrape past each other
2) What is divergent boundary?
A
When one plate sinks underneath another plate
B
Occurs where plates scrape past each other
C
States that the Earth's lithosphere is made up of huge plates that move over the surface
D
Occurs where plates move apart.
3) What is the Theory of plate tectonic?
A
Occurs where two plates come together.
B
Point on Earth's surface directly above the focus
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.
4) What is transform boundary?
A
Occurs where plates scrape past each other
B
Occurs where two plates come together.
C
Occurs where plates move apart.
D
Heat transfer by movement of a material because of differences in density.
5) What is convergent boundary?
A
Occurs where plates scrape past each other
B
The point underground where rocks first begin to move.
C
Occurs where two plates come together
D
Occurs where plates move apart
6) What Is a hot spot?
A
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
B
Vibrations caused by earthquakes
C
Occurs where plates move apart
D
When an animal looses hair and scratches in one location
7) What is subduction?
A
When one plate sinks underneath another plate
B
The point underground where rocks first begin to move
C
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
D
When a point on Earth's surface is directly above the focus
8) What is an epicenter?
A
Heat transfer by movement of a material because of differences in density
B
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
C
Point on Earth's surface directly above the focus
D
Vibrations caused by earthquakes
9) Seismic waves
A
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
B
Vibrations caused by earthquakes
C
Vibrations caused by earthquakes
D
Occurs where plates scrape past each other
10) What is focus?
A
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
B
Vibrations caused by earthquakes
C
The point underground where rocks first begin to move
D
States that the Earth's lithosphere is made up of huge plates that move over the surface of Earth.
11) What evidence did Alfed Wegener provide to support his idea of continental drift?
A
South America and Africa fit together
B
Climate evidence
C
Fossil and rock
D
All of the above
12) How is new sea floor made at mid-ocean ridges?
A
Magma lowers and solidifies into the volcano
B
It collects at the bottom of the volcano
C
Magma rises and solidifies
D
Magma
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 has gas escaping and Red eruption is lava building up inside the volcano
B
Red eruption is an explosive and Grey eruption is an oozing lave
C
Red eruption is oozing lava and Grey eruption is oozing lava
D
Grey eruption is an explosive eruption and Red eruption is oozing lava
15) What are nutrients?
A
They are something we need to grow
B
All of the above
C
They provide energy
D
Carbs., proteins, and lipids
16) What are proteins made of?
A
sugars
B
unsaturated
C
Amino Acids
D
Carbohydrates
17) What is the difference between mechanical and chemical digestion?
A
Mechanical digestion is when a bile breaks down; Chemical is when chewing breaks down food
B
all of the above
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 uses the waste from the body
B
it breaks down food and it has a physical change of smaller particles
C
It collects and remove waste from the body.
D
It removes waste and sends it to back to the stomach
*select an answer for all questions
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