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Energy Transformations
Test Description: Review for energy forms and transformation test.
Instructions: Answer all questions to get your test result.
1) _____________ is the ability to do work.
A
kinetic
B
potential
C
energy
D
work
2) Energy in motion is considered to be ______________________ energy.
A
kinetic
B
chemical
C
potential
D
thermal
3) Potential energy that depends on height is _______________________.
A
potential energy
B
nuclear energy
C
energy
D
gravitational potential energy
4) Energy is stored as __________________________ in the foods we eat. It is also stored in batteries and in a match that is used to light a candle.
A
sound energy
B
electromagnetic energy
C
thermal energy
D
chemical energy
5) ___________________ energy is the energy of electrical charges.
A
sound
B
potential
C
electrical
D
thermal
6) The light I see from a light bulb is ____________________________ energy.
A
electromagnetic
B
sound
C
nuclear
D
mechanical
7) An example of mechanical energy is:
A
a car engine when it is turned on.
B
laying perfectly still.
C
a biscuit baking in the oven.
D
the suns rays warming your skin.
8) What kind of energy is stored in the sun?
A
nuclear energy
B
electrical energy
C
sound energy
D
mechanical energy
9) When you eat a meal and then work out, what chain of energy transformations would occur?
A
chemical to nuclear to thermal
B
chemical to sound to thermal
C
nuclear to electrical to thermal
D
chemical to mechanical to thermal
10) When energy moves from one place to another, an energy
A
transfer
B
transformation
11) When a door is shut, what type of energy is released?
A
thermal
B
electrical
C
electromagnetic
D
sound
12) Describe the energy transformations that take place from the Sun, to a plant.
A
Nuclear energy to mechanical energy to chemical energy
B
Nuclear Energy to chemical energy
C
Nuclear energy to thermal energy to chemical energy
D
Nuclear energy to electromagnetic energy to chemical energy
13) How does a microwave heat food?
A
Nuclear energy transforms into thermal energy.
B
Electricity is changed into electromagnetic energy, which transforms into thermal energy in the food.
C
Electricity is changed into chemical energy, which then transforms into thermal energy in the food.
D
Electrical energy is changed into mechanical energy, which transforms into thermal energy in the food.
14) A car at the top of a 10m hill and a person at the top of a 10m hill have different amounts of potential energy. Why?
A
The car and the person have the same amount of potential energy.
B
The car has more mass than the person, therefore it has more potential energy.
C
The person is lighter than the car so it has more potential energy.
15) Which has more kinetic energy; a car traveling at 70mph or the same car traveling 75mph?
A
The car traveling at 70mph because it is going slower.
B
The car traveling 75mph, because it is moving at a higher rate of speed.
C
They have the same amount of kinetic energy.
16) Does a rock resting at the top of a hill have more potential energy, or the same rock resting at the bottom of the hill?
A
The rock resting at the top due to its potential to be pulled lower by gravity.
B
Both rocks have the same amount of potential energy.
C
The rock resting at the bottom of the hill because it is stopped.
17) Where can chemical energy be found?
A
food, wood, fossil fuels, batteries
B
the Sun, a heater, a fire
C
bikes, arrows, cars
D
light bulbs, electrical outlets, the Sun
18) How do you know an energy transfer or transformation has taken place?
A
an object remains silent or continues to make the same noise.
B
an object maintains its temperature
C
heat energy is released, you see light, you hear a sound, a change of speed or smoke is released
D
the object continues to move or not move at the same speed
19) When an energy transformation occurs, there is always a small percentage of the energy that is transformed to...
A
thermal energy, or heat
B
the energy of vibrating air particles, or sound
C
electromagnetic energy, or light
D
electrical energy, or electricity
*select an answer for all questions
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