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Semester 2 Final
Test Description: Semester 2 Final Review
Instructions: Answer all questions to get your test result.
1) What is a mixture?
A
Matter with definite compositions like air or trail mix
B
Matter with definite compositions like elements or compounds
C
Matter with indefinite compositions like elements or compounds
D
Matter with indefinite compositions like air or trail mix
2) What is a pure substance?
A
Matter with indefinite compositions like elements or compounds
B
Matter with definite compositions like air or trail mix
C
Matter with definite compositions like elements or compounds
D
Matter with indefinite compositions like air or trail mix
3) Which of the following is a characteristic of a metal?
A
Corrode easily (damaged by oxidation)
B
None of the above
C
All of the above
D
Great conductors
4) Which of the following is a characteristic of a non-metal?
A
Great conductors
B
Corrode easily (damaged by oxidation)
C
All of the above
D
None of the above
5) How do you know a chemical change has taken place?
A
A new substance has formed like oxidation or tarnishing
B
Everything is still like it started just smaller
C
Chemicals are added into a liquid mixture
D
A substance has changed states
6) What is the difference between a chemical and physical change?
A
Chemical changes are changes that alters the form or appearance of matter and physical changes are changes in matter that
B
Chemical changes are changes in matter that produce one or more new substances and physical changes are changes that alter
C
There is no difference between chemical and physical changes
D
Chemical changes are changes in matter like chopping wood or water freezing and physical changes are changes in matter lik
7) What happens to mass in a chemical or physical change?
A
Mass is created or destroyed in chemical of physical changes
B
Mass cannot be created or destroyed in chemical or physical changes
C
Mass is created in physical changes
D
Mass is created in chemical changes
8) What are characteristics of acids?
A
Sour taste
B
Changes the color indicators (red litmus paper turns blue)
C
Are slippery to the touch
D
All of the above
9) What are characteristics of bases?
A
Changes the color indicators (red litmus paper turns blue)
B
Are slippery to the touch
C
All of the above
D
Bitter taste
10) What are seismic waves?
A
Waves that form only from volcanic eruptions
B
Body and surface waves that radiate from an earthquake
C
P and S waves that do not come from earthquakes
D
Waves that create the waves on water
11) Where is earths crust?
A
the surface
B
the middle
C
the center
D
the sky
12) Where is the mantle of earth?
A
the middle
B
the sky
C
the surface
D
the center
13) Where is the core?
A
the sky
B
the middle
C
the surface
D
the center
14) Where is the lithosphere?
A
the center
B
the surface
C
the middle
D
the sky
15) Where is the asthenosphere?
A
above the lithosphere
B
below the mantle
C
below the lithosphere
D
above the core
16) The asthenosphere can be described as a ridged, cool, and solid layer of Earth.
A
True
B
False
17) What is Earth's core made out of?
A
calcium and silver
B
zinc and copper
C
potassium and chromium
D
iron and nickel alloy
18) The lithosphere is part of the crust
A
False
B
True
19) The mantle is located directly under the lithosphere
A
True
B
False
20) What is the correlation with volcanoes and seismic activities?
A
Plate motions provide the mechanisms by which rocks melt to generate magma, or move to produce seismic waves
B
Radiation from the sun drives volcanic eruptions and seismic activities
C
Seismic activities produce the magma within volcanoes
D
Volcanoes produce seismic waves which produces all the earthquakes
*select an answer for all questions
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