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WorksheetsEnergy and Circuits
Total questions: 32
Worksheet time: 32mins
To complete the circuit, a wire should be placed from —
Which lights would turn on if your closed switches 1 and 2?
red, blue, and white
red and white
red and blue
blue, white, yellow
What forms of energy are you using if you close switch 1?
light and electrical
light, sound, and electrical
light
sound
What is potential energy?
The energy an object has due to its atomic structure.
The energy an object has due to its chemical composition.
The energy an object has due to its motion.
The energy an object has due to its position or condition.
What is kinetic energy?
The energy an object has due to its position or condition
The energy an object has due to its motion
The energy an object has due to its chemical composition
The energy an object has due to its atomic structure
Which object has the most potential energy?
A ball resting on the ground.
A ball being thrown at 100 miles per hour.
A ball on top of a refrigerator.
A ball resting on the edge of a cliff.
When does a yo-yo have the most potential energy?
When it's at its highest point.
When it's at its lowest point.
When it's moving between its highest and lowest points.
When it's moving at its top speed.
Four cars are positioned at the top of a hill. Which car has the most potential energy?
A
B
C
D
At which point is potential energy greatest?
W
X
Y
Z
The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.
Newton's Third Law
Life
Law of Conservation of Energy
The scientific method
What is energy?
something that picks up things, like a magnet.
Motion of an object
ability to do work
magic rays of sunshine that come down when you're feeling blue.
In which scenario is work = 0 J ?
Pushing a stationary wall
Pulling a trolley car
Pushing a book across the table
Dropping a set of keys from a height, h.
What is needed to calculate work?
force
distance
time
mass
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
Two people shove on a wall with 100 N. The wall doesn’t move. How much work is done?
100J
100N
0J
0N
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
