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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
States that the Earth's lithosphere is made up of huge plates that move over the surface of Earth.
B
Occurs where plates move apart.
C
Heat transferred by movement of a material because of differences in density.
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 move apart.
C
Occurs where plates scrape past each other
D
States that the Earth's lithosphere is made up of huge plates that move over the surface
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
Occurs where plates move apart.
D
Point on Earth's surface directly above the focus
4) What is transform boundary?
A
Occurs where two plates come together.
B
Heat transfer by movement of a material because of differences in density.
C
Occurs where plates scrape past each other
D
Occurs where plates move apart.
5) What is convergent boundary?
A
The point underground where rocks first begin to move.
B
Occurs where two plates come together
C
Occurs where plates move apart
D
Occurs where plates scrape past each other
6) What Is a hot spot?
A
Occurs where plates move apart
B
Vibrations caused by earthquakes
C
When an animal looses hair and scratches in one location
D
Certain places underneath the crust in which heated rock rises in thin columns from the mantle (the Hawaiian Islands)
7) What is subduction?
A
When one plate sinks underneath another plate
B
When a point on Earth's surface is directly above the focus
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)
8) What is an epicenter?
A
Vibrations caused by earthquakes
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
Heat transfer by movement of a material because of differences in density
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
Occurs where plates scrape past each other
D
Vibrations caused by earthquakes
10) What is focus?
A
The point underground where rocks first begin to move
B
States that the Earth's lithosphere is made up of huge plates that move over the surface of Earth.
C
Vibrations caused by earthquakes
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
South America and Africa fit together
B
All of the above
C
Climate evidence
D
Fossil and rock
12) How is new sea floor made at mid-ocean ridges?
A
Magma lowers and solidifies into the volcano
B
Magma rises and solidifies
C
It collects at the bottom of the volcano
D
Magma
13) Have the magnetic poles of Earth switched multiple times?
A
no
B
I don't know
C
yes
D
maybe
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
Red eruption is oozing lava and Grey eruption is oozing lava
D
Grey eruption has gas escaping and Red eruption is lava building up inside the volcano
15) What are nutrients?
A
They are something we need to grow
B
Carbs., proteins, and lipids
C
All of the above
D
They provide energy
16) What are proteins made of?
A
sugars
B
Carbohydrates
C
Amino Acids
D
unsaturated
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
Mechanical is a physical breakdown; chemical digestion is when the acid breaks down the particles of food.
C
Mechanical digestion is when you use tools to break down the substance
D
all of the above
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 removes waste and sends it to back to the stomach
D
It collects and remove waste from the body.
*select an answer for all questions
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