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2nd Semester Test Part 2
Test Description: Semester review
Instructions: Answer all questions to get your test result.
1) Snow melts after a snowstorm because of the addition of _____.
A
force
B
potential energy
C
kinetic energy
D
thermal energy
2) An object that attracts iron and other materials that have magnetic qualities similar to iron is which of the following?
A
parallel circuit
B
switch
C
series circuit
D
magnet
3) Temperature is a measure of ____ of the particles in an object.
A
the difference between the potential and kinetic energy
B
the average potential energy
C
the average kinetic energy
D
the sum of the potential and kinetic energy
4) When a substance is heated, the particles gain energy and spread out creating more volume. What happens to the mass of the substance when it is heated?
A
mass is lost
B
mass increases
C
mass remains the same
D
mass decreases
5) When a pot of water is put on a stove, the water at the top gets hot primarily by ____.
A
convection
B
condensation
C
conduction
D
radiation
6) Snow forms in clouds because water vapor changes directly to ice. This is an example of _____.
A
sublimation
B
deposition
C
vaporization
D
condensation
7) Which of the following is NOT a function of the lymphatic system?
A
transport oxygen to organs
B
remove excess fluid around organs
C
produce white blood cells
D
absorb and transport fats
8) A liquid thermometer works because liquid ____ when warmed.
A
condenses
B
solidifies
C
contracts
D
expands
9) Which of the following equations defines the law of conservation of energy?
A
total energy = potential energy – kinetic energy
B
total energy = kinetic energy x potential energy
C
total energy = kinetic energy + potential energy
D
total energy = kinetic energy – potential energy
10) Heat is thermal energy transferred from one object to another because of a difference in ____.
A
potential energy
B
mass
C
temperature
D
volume
11) Which type of cell has the biggest vacuoles?
A
bacteria
B
animal
C
plant
D
They are all about the same size.
12) Hydroelectric power uses _____ as a renewable energy source.
A
biomass
B
sunlight
C
moving water
D
wind
13) . During a hot shower, water vapor fogs up the cooler mirror when it turns to water. This is an example of _____.
A
vaporization
B
deposition
C
sublimation
D
condensation
14) In years past, people would put a hot water bottle in bed with them to help warm their feet. The transfer of the warmth from the water bottle to their feet is called _____.
A
temperature
B
thermal energy
C
heat
D
kinetic energy
15) A compass needle’s magnetic north pole points toward which of the following?
A
Earth’s magnetic axis
B
Earth’s magnetic north pole
C
Earth’s magnetic south pole
D
Earth’s rotational axis
16) What is the difference between a cell wall and a cell membrane?
A
The cell wall is just outside the cell membrane and is strong and rigid
B
The cell wall is just outside the cell membrane and is more flexible.
C
The cell wall is just outside the cell membrane and is more flexible.
D
The cell membrane is just outside the cell wall and is strong and rigid.
17) When a rubber band is stretched, it has ____ energy.
A
kinetic
B
potential
C
chemical
D
nuclear
18) When a rubber band is stretched, it has ____ energy.
A
potential
B
nuclear
C
kinetic
D
chemical
19) This _____ surrounds a current-carrying wire.
A
magnetic field
B
magnetic pole
C
magnetic force
D
electromagnet
*select an answer for all questions
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