Energy
Authored by Katarzyna Hołodnik-Małecka
Physics
9th Grade
Used 14+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is used to gain speed in ski jumping?
Kinetic energy
Nuclear energy
Potential energy
Thermal energy
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What gives an object gravitational potential energy?
Chemical attraction
Electric attraction
Gravitational attraction
Magnetic attraction
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What converts the potential energy of water into electricity in hydropower plants?
Turbines
Heat pumps
Solar panels
Generators
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the purpose of pumped-storage hydroelectric plants?
Regulating energy released to the grid
Producing wind energy
Producing oil (ON)
Producing solar energy
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What affects the value of gravitational potential energy in the formula ?
Height
Mass
Gravitational acceleration
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does kinetic energy depend on?
Only mass
Only velocity
Mass and velocity
Position
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which unit expresses kinetic energy?
Newton
Joule
Watt
Volt
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