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WorksheetsPure Energy: Chapters 5 and 6
Total questions: 20
Worksheet time: 37mins
The sum of potential and kinetic energy is called:
super potential energy
super kinetic energy
kineticopotential energy
mechanical energy
Energy is measured in:
watts
newtons
joules
meters
If an object has energy, this means that the object has the ability to cause ____________.
change
digital revolutions
ultimate power corruption
radioactive deterioration
Stored energy is called ______________ energy.
kinetic
potential
thermal
electrical
A fire warms you by transferring ____________ energy.
potential
thermal
kinetic
solar
On a swing your potential and kinetic energies change, but your ____________ energy does not.
mechanical
electrical
kineticonuclear
thermal
Chemical energy is stored in _________
food
wood
batteries
all of these, happily!
When you eat pizza, Chemical Energy is transferred to _____ Energy.
Solar
Electrical
Mechanical
Chemical
Which of the following shows an energy transformation from chemical energy to electrical to light energy?
A bolt of lightning lights the night sky.
A candle glows brightly in the dark.
A fire in a fireplace lights up a room.
A battery causes a flashlight to shine.
Which of the following devices transforms electrical energy into mechanical energy?
An e-reader
a fan
a manual pencil sharpener
ipod
The SI Unit for Power
Newton (N)
Joule (J)
Second (s)
Watt (W)
What is the formula for Work?
E=mc2
W= F x d
P = W/T
What is the formula for Power?
E=mc2
W= F x d
P = W/T
If 150 Joules of work is needed to move a box 10 meters, what force was used?
1500 N
15 N
1.5 N
150 N
How much time is needed to produce 720 Joules of work if 90 watts of power is used?
0.125 s
8 s
64800 s
80 s
The four fundamental forces of nature are:
Electromagnetism, Gravity, Strong Nuclear, Weak Nuclear
Gravity, Strong Nuclear, Weak Nuclear, Medium Nuclear
Normal Force, Force due to gravity, Magnetism, Nuclear
Nuclear, Electricity, Gravity, Atomic
The strongest of the four fundamental forces is:
Gravity
Electromagnetism
Strong Nuclear
Weak Nuclear
Which statement best defines Mechanical Energy?
Energy produced by a machine or moving part.
Energy that is produced by an electrical current in a circuit.
Energy from the sun.
Energy that travels in waves due to vibrations.
What is potential energy?
the energy an object has due to its position or condition
the energy an object has due to its motions
the energy an object has due to its chemical composition
theh energy an object has due to its atomic structure
