Energy Transformation 1
Energy Transformation 2
Types of Energy
Uses of Energy
Potential/Kinetic
100
A solar powered calculator converts _______ energy into _________ energy.
Answer options for both drop downs: heat, light, chemical, electrical, nuclear
light and electrical
100
Which is an example of nuclear energy being converted into heat and light?
A. A volcano
B. The sun
C. A rocket engine
D. A coal burning power plant
B. The sun
100
A strand of 10 lights is plugged into an outlet. How can you determine if the lights are connected in series or parallel?
Unscrew one light. If the other lights stay on, it’s a series circuit.
Unplug the strand. If the first light stays on, it’s a series circuit.
Unscrew one light. If the other lights turn off, it’s a series circuit.
Cut the strand in half. If the plugged in half stays on, it’s a series circuit.
Unscrew one light. If the other lights turn off, it’s a series circuit.
100
Electrical energy can be transformed into other types of energy. We often experience this transformation of energy in our daily lives. The example that represents a transformation from electrical to sound energy is -
100
As a roller coaster goes downhill -
A. Kinetic energy is converted to potential energy.
B. Potential energy is converted to kinetic energy.
C. Electrical energy is converted into potential energy.
D. Potential energy is converted into electrical energy.
B. Potential energy is converted to kinetic energy.
200
When a television is turned on, it converts electrical energy into many other forms of energy. Choose all forms that result from this conversion.
A. Sound
B. Light
C. Heat
D. Electricity
Sound, Light, Heat
200
Which of the following are examples of chemical energy? Choose all correct answers.
A lump of coal
A ball rolling down a hill
An apple
A bolt of lightning
A lump of coal and An apple
200
Fossil fuels such as gas, oil, and coal have what kind of energy?
A. Nuclear energy
B. Mechanical energy
C. Electrical energy
D. Chemical energy
D. Chemical energy
200
The basic concept of how a simple motor works is explained by which statement?
A. When a fan blows on a wire, it causes it to spin, creating a force.
B. When a fan blows on a wire, it causes it to spin, creating an electric current.
C. When a wire that carries electrical current is placed in zero gravity, the wire experiences a force.
D. When a wire that carries electrical current is placed in a magnetic field, the wire experiences a force.
D. When a wire that carries electrical current is placed in a magnetic field, the wire experiences a force.
200
Select all statements that best reflect what is occurring as the rock moves up the hill.
Potential energy is decreasing.
Kinetic energy is increasing.
Kinetic energy is decreasing.
Potential energy is increasing.
Kinetic energy is decreasing.
Potential energy is increasing.
300
sum of potential and kinetic energy in a system
What is mechanical energy
300
An electric motor uses -
Visible light to produce mechanical energy.
Mechanical energy to produce sound.
Mechanical energy to produce electricity.
Electrical energy to produce mechanical energy.
Electrical energy to produce mechanical energy.
300
Large amounts of energy are required in order to join two atom’s nuclei into a single nucleus and, in turn, create a different element. What is the name of the process where two nuclei join to create a different element?
Combining
Elementium
Fission
Fusion
Fusion
300
a device that contains a rotating electromagnet that changes electrical energy to mechanical energy includes blenders and washing machines
What is an electrical motor
300
Which of the following represents the position in which the roller coaster has the maximum potential energy?
A
B
C
D
1. A
400
The burners on this electric stove provide ____ to the flow of electric current and electricity is then converted into _______.
A. Resistance; light
B. Resistance; nuclear
C. Resistance; heat
D. A pathway; electromagnetic
C. Resistance; heat
400
What is the energy transformation that is taking place from the batteries to the flashlight when it is on?
A. Heat to magnetic to light
B. Chemical to magnetic to light
C. Chemical to electrical to light
D. Mechanical to electrical to light
C. Chemical to electrical to light
400
The nucleus of a large atom splits and two smaller atoms are formed. Energy is released in the process. What is the name of this process?
Fusion
Fission
Friction
Binary multiplication
Fission
400
The diagram below shows a wind turbine. How does a wind turbine produce electricity?
Energy from the Sun turns the rotor blades that turn the generator to produce electricity.
Heat reflected from mirrors turn the rotor blades that turn the generator to produce electricity.
Flowing water turns the rotor blades that turn the generator to produce electricity.
Moving air turns the rotor blades that turn the generator to produce electricity.
Moving air turns the rotor blades that turn the generator to produce electricity.
400
What point on the pendulum’s swing represents the minimum potential energy?
A
B
C
D
2. B
500
Jenna made an electric circuit as seen in the picture. She placed a thermometer near her light bulb. After the light bulb was turned on for an hour, what did she most likely observe?
The bulb glowed brighter over time.
The temperature in the thermometer went up.
The temperature in the thermometer went down.
Both the light and temperature remained the same over time.
The temperature in the thermometer went up.
500
Mr. Cortez asked his students to give examples in which electrical energy is transformed into heat. Students worked in a small group. They recorded their answers in a table. If you were Mr. Cortez, how would you comment on the answers in the table?
Only Jane is correct.
All the students are correct.
Emily and Michelle are correct.
Everyone except John is correct.
All the students are correct.
500
Match the following terms to the applicable definition.
Answer options: Thermal energy, Chemical energy, Nuclear energy, Electrical energy
1. Thermal
2. Electricity
3. Nuclear
4. Chemical
500
An electric generator transforms mechanical energy into electrical energy. This process could be done by which of these?
Using wind to spin a magnet around
Connecting a battery to a coil of wire
Turning a wheel that contains electrons
Spinning a coil of wire near a large magnet
Spinning a coil of wire near a large magnet
500
You get to ride a thriller water slide (as depicted below). Each letter represents a location along the ride. Between which two points would you predict the smallest change in energy?
A to B
B to C
B to D
D to E
1. A to B