Defining Energy Question Preview (ID: 48493)


Potential And Kinetic Energy. TEACHERS: click here for quick copy question ID numbers.

What is the correct energy transformation for a flashlight
a) Chemical to Electrical to Radiant
b) Chemical to Electrical to Nuclear
c) Radiant to Electrical to Chemical
d) Mechanical to Electrical toChemical

Which device uses thermal energy
a) hair dryer
b) lamp
c) candle
d) cell phone

What two things affect POTENTIAL energy?
a) Mass and height
b) Mass and speed
c) Height and weight
d) Height and speed

Which statement about the Law of Conservation of Energy is correct
a) Energy can neither be created nor destroyed
b) Some energy disappears when it changes forms
c) Energy cannot be transformed into an object
d) Total amount of energy on Earth changes from year to year

What two things affect KINETIC energy
a) mass and speed
b) mass and height
c) speed and weight
d) speed and height

Mechanical energy belongs in
a) Kinetic
b) Potential
c)
d)

An elevator is increasing it's potential energy when it
a) Moves up
b) Moves down
c) Stops
d) Passengers are removed

A student charges her phone battery for 30 minutes. What happens to the chemical energy of the battery?
a) The chemical energy increases
b) The chemical energy decreases
c) The chemical energy stays the same
d) The phone is going to explode

Which form best represents the energy inside a Hershey's chocolate bar?
a) Chemical
b) Nuclear
c) Sound
d) Radiant

Using a rubber band is which form of energy
a) Elastic
b) Mechanical
c) Nuclear
d) Sound

Which of the following is an example of kinetic energy
a) A bird flying off a branch
b) A book sitting on a shelf
c) A cup resting on the table
d) A book being held

A mass is lifted off the ground 5m. What happens to potential energy?
a) The potential energy increases
b) The potential energy decreases
c) The kinetic energy increases
d) The kinetic energy decreases

Which of the following is Potential Energy
a) Chemical energy
b) Radiant Energy
c) Sound energy
d) Mechanical energy

When will the ball have the greatest kinetic energy
a) Right before it hits the ground for the first time
b) After it bounces
c) While it's being held
d) As its falling

When does the example change from potential to kinetic
a) An archer holding a bow, then releasing the arrow
b) Rolling to a stop at a stop light
c) Dropping a ball
d) Throwing an egg

Which is an example of potential energy
a) A rubber band waiting to be released
b) A wheel rolling down the street
c) A dog running
d) Air blowing out a balloon

What happens to kinetic energy as an object falls?
a) Kinetic energy increases
b) Kinetic energy decreases
c) Potential energy increases
d) Potential energy decreases

Which is a property of a non metal
a) Brittle
b) Malleable
c) Conducts electricity
d) Ductile

What is the density of an object with a mass of 64 g and a volume of 8cm3?
a) 8 g/cm3
b) 512 g/cm3
c) 212 g/cm3
d) 6 g/cm3

Which of the following are semiconductors?
a) Metalloids
b) Metals
c) Nonmetals
d) Semiconductors aren't a thing

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