energy forms of energy forms of energy continued conservation of energy ke & peenergy...
TRANSCRIPT
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EnergyForms of Energy
Forms of Energy
Continued
Conservation of Energy
KE & PE Energy Transformation
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Perla turns on a lamp so she can read. What type of energy provided by the lamp helps Perla read?
A. Nuclear energy
B. Electromagnetic energy
C. Chemical energy
D. Thermal energy
Answer
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100 points
B. Electromagnetic Energy
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What kind of energy is produced by the vibrating particles when the strings of an acoustic guitar are plucked?
A. Chemical energy
B. Nuclear energy
C. Electrical energy
D. Sound energy
Answer
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200 points
D. Sound Energy
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What kind of energy is involved in the movement of the blades of a windmill when moving air or wind strikes it?
A. Mechanical energy
B. Nuclear energy
C. Electrical energy
D. Electromagnetic energy
Answer
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300 points
A. Mechanical Energy
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This skateboarder will have the most potential energy at point ___.
Answer
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400 points
G. PE increases with height
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This is the total amount of energy in all of the particles contained in a sample of matter. Heat is often associated with this type of energy.
A. Mechanical EnergyB. Thermal EnergyC. Sound EnergyD. Electrical Energy
Answer
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500 points
B. Thermal energy
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This is the type of energy that is stored in chemical bonds. For example, batteries have this type of energy.
A. Nuclear energyB. Sound energyC. Electromagnetic energyD. Chemical energy
Answer
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100 points
D. Chemical Energy
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Computers, radios, televisions, and lamps are all examples of devices that operate using this type of energy.
A. Electrical energy
B. Nuclear energy
C. Thermal energy
D. Mechanical energy
Answer
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200 points
A. Electrical energy
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This type of energy results from the motion of particles within atoms. Light, x-rays, and microwaves are all examples of this type of energy.
A. Nuclear energy
B. Sound energy
C. Electromagnetic energy
D. Electrical energy
Answer
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300 points
C. Electromagnetic energy
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This energy is given off by a vibrating object and travels in the form of waves.
A. Nuclear energy
B. Sound energy
C. Electromagnetic energy
D. Chemical energy
Answer
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400 points
B. Sound energy
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This is the energy stored in the nucleus of an atom as a result of the nuclear forces.
A. Mechanical energy
B. Thermal energy
C. Chemical energy
D. Nuclear energy
Answer
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500 points
D. Nuclear energy
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Which of the following correctly states the law of conservation of energy?
A. Energy cannot be created or destroyed but can be converted from one form to another
B. Energy can be created or destroyed, as well as being converted from one form to another
C. Energy is created when it is converted from one form to another
D. In most systems, some energy is destroyed and lost as heat
Answer
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100 points
A. Energy cannot be created or destroyed but can be converted
from one form to another
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At what point in the picture is the kinetic energy the greatest and potential energy lowest?
A. 1B. 2C. 3D. 4
Answer
12
3
4
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200 points
D. 4
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Using the formula Potential Energy = mass x height what is the potential energy of a rock with a mass of 50 kg that rests at the edge of a cliff 125 meters high?
A. 2.5JB. 50JC. 125JD. 6,250J
Answer
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300 points
D. 6250 J
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If energy is never lost, then what causes a rolling ball to eventually stop?
A. Momentum
B. Potential energy
C. Chemical energy
D. Friction
Answer
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400 points
D. Friction
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When energy is transformed from one form to another, some energy is often wasted in the form of
A. Heat
B. Water
C. Ice
D. Atoms
Answer
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500 points
A. Heat
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Kinetic and potential energy both relate to:
A. heatB. lightC. motionD. temperature
Answer
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100 points
C. motion
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Can you create or destroy energy?
A. yes
B. no
C. only if you are really strong
Answer
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200 points
B. NO way
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A swing has potential energy if –
F. it is swinging up.
G. it is swinging backwards.
H. it is sitting still.
J. it is in motion
Answer
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300 points
H. If it is sitting still
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When is kinetic energy transferred from one object to another?
A. when those objects pass one another
B. when those objects are in two places
C. when those objects collide
Answer
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400 points
C. During a collision
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What does kinetic energy depend on?
A. the weight and volume of an object
B. the buoyancy of an object
C. the mass and speed of an object
D. Currents
Answer
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500 points
C. mass and speed of an object
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A stunt driver at the top of a ramp?
Answer
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100 points
A. Potential energy
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Which list names ONLY items that represent chemical energy?
a. apple, sunlight, woodb. batteries, banana, gasolinec. bicycle, coal, seesawd. electricity, batteries, sound
Answer
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200 points
b. batteries, banana, gasoline
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Which list below names only examples of mechanical energy?
A. bicycle, stroller, doorB. lightning bolt, wires, static C. food, batteries, gasolineD. stars, sun, nucleus of an atom
Answer
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300 points
A. bicycle, stroller, door
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These pictures show which energy transformation?
A. electrical to potentialB. chemical to thermalC. potential to kineticD. thermal to nuclear
Answer
Answer
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400 points
C. Potential to kinetic
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Solar energy passes through the solarpanel on this calculator to make it work.
Which energy conversion is takingplace?
A. nuclear to thermal
B. electromagnetic to electrical
C. electrical to chemical
D. mechanical to electromagnetic
Answer
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500 points
B. electromagnetic to electrical
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Bonus round
Which energy conversion is taking place
when you build a campfire?
J. nuclear to chemical & electrical
G. chemical to electromagnetic & thermal
F. electrical to thermal & mechanical
H. mechanical to electrical & chemical
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G. chemical to electromagnetic & thermal