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WorksheetsWork and Power Vocabulary Review
Total questions: 20
Worksheet time: 2hrs 31mins
What is work in science?
having a job
using a force to make an object move
a push or a pull
stored energy
Which pictures shows work in science?
How do you calculate work? (W = ?)
force + distance
force - distance
force x distance
force ÷ distance
What is the unit for distance?
meters (m)
Newtons (N)
Joules (J)
Watts (W)
What is the unit for force?
meters (m)
Newtons (N)
Joules (J)
Watts (W)
Mr. Ertekin used 20N to move a box 4m. How much work did he do?
24 J
5 J
16 J
80 J
Which number describes force?
392 J
293 N
23m
239 W
What tool do we use to measure force?
triple beam balance
voltmeter
spring scale
thermometer
What is power in science?
ability to do work or cause change
a push or a pull
the speed or rate of doing work
being strong
How do you calculate power?
Work + time
Work - time
Work x time
Work ÷ time
What is the unit for power?
newtons (N)
Joules (J)
meters (m)
Watts (W)
What is the unit for time?
years (yrs)
months (mos)
weeks (wks)
seconds (s)
A light bulb does 100 J of work in 10 seconds. Calculate the power used.
110 W
10 J
10 W
90 W
_____ is a push or a pull.
Work
Energy
Force
Power
_____ is the ability to do work or cause change.
Work
Energy
Force
Power
_____ is the speed or rate of doing work
Newton
Energy
Force
Power
Why can't a machine be 100% efficient?
The work input is always more than work output because of friction
Scientists have not made this discovery yet
Because of electromagnetism
True or false: Machine make you do less work
true
false
How do machines make work easier?
They use electricity.
They change the size or direction of the force
They make it 100% efficient.
_____ is using force on an object that makes it move a distance.
Newton
Power
Distance
Work
