Energy Transformations Question Preview (ID: 40029)
Review For Energy Forms And Transformation Test.
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_____________ is the ability to do work.
a) energy
b) potential
c) work
d) kinetic
Energy in motion is considered to be ______________________ energy.
a) kinetic
b) potential
c) thermal
d) chemical
Potential energy that depends on height is _______________________.
a) gravitational potential energy
b) potential energy
c) nuclear energy
d) energy
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) chemical energy
b) sound energy
c) electromagnetic energy
d) thermal energy
___________________ energy is the energy of electrical charges.
a) electrical
b) thermal
c) sound
d) potential
The light I see from a light bulb is ____________________________ energy.
a) electromagnetic
b) nuclear
c) mechanical
d) sound
An example of mechanical energy is:
a) a car engine when it is turned on.
b) a biscuit baking in the oven.
c) the suns rays warming your skin.
d) laying perfectly still.
What kind of energy is stored in the sun?
a) nuclear energy
b) sound energy
c) mechanical energy
d) electrical energy
When you eat a meal and then work out, what chain of energy transformations would occur?
a) chemical to mechanical to thermal
b) nuclear to electrical to thermal
c) chemical to sound to thermal
d) chemical to nuclear to thermal
When energy moves from one place to another, an energy
a) transfer
b) transformation
c)
d)
When a door is shut, what type of energy is released?
a) sound
b) electrical
c) electromagnetic
d) thermal
Describe the energy transformations that take place from the Sun, to a plant.
a) Nuclear energy to electromagnetic energy to chemical energy
b) Nuclear Energy to chemical energy
c) Nuclear energy to thermal energy to chemical energy
d) Nuclear energy to mechanical energy to chemical energy
How does a microwave heat food?
a) Electricity is changed into electromagnetic energy, which transforms into thermal energy in the food.
b) Electricity is changed into chemical energy, which then transforms into thermal energy in the food.
c) Nuclear energy transforms into thermal energy.
d) Electrical energy is changed into mechanical energy, which transforms into thermal energy in the food.
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 has more mass than the person, therefore it has more potential energy.
b) The person is lighter than the car so it has more potential energy.
c) The car and the person have the same amount of potential energy.
d)
Which has more kinetic energy; a car traveling at 70mph or the same car traveling 75mph?
a) The car traveling 75mph, because it is moving at a higher rate of speed.
b) The car traveling at 70mph because it is going slower.
c) They have the same amount of kinetic energy.
d)
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) The rock resting at the bottom of the hill because it is stopped.
c) Both rocks have the same amount of potential energy.
d)
Where can chemical energy be found?
a) food, wood, fossil fuels, batteries
b) bikes, arrows, cars
c) light bulbs, electrical outlets, the Sun
d) the Sun, a heater, a fire
How do you know an energy transfer or transformation has taken place?
a) heat energy is released, you see light, you hear a sound, a change of speed or smoke is released
b) the object continues to move or not move at the same speed
c) an object maintains its temperature
d) an object remains silent or continues to make the same noise.
When an energy transformation occurs, there is always a small percentage of the energy that is transformed to...
a) thermal energy, or heat
b) electromagnetic energy, or light
c) the energy of vibrating air particles, or sound
d) electrical energy, or electricity
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