WorksheetsYear 9 Physics Exam Revision
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The formula for Work done?
a)
W=FxD
b)
W=F/D
c)
W=Fm
d)
W=Am
2.
The unit for energy?
a)
Joule
b)
Jail
c)
Newton
d)
Watt
3.
Example of a renewable power source
a)
geothermal
b)
coal
c)
oil
d)
nuclear
4.
A car at rest accelerates at 1.5 ms-2 for 10 seconds. It will reach a final speed of
a)
15 ms-1
b)
6.7 ms-1
c)
1.5 ms-1
d)
67 ms-1
5.
The definition of electric current
a)
the rate of flow of charge
b)
the rise of charge per unit
c)
the energy per unit time
d)
the amount of resistance over time
6.
The formula that relates resistance in circuits to voltage and current
a)
R= V/I
b)
V+R=I
c)
I-R-V=0
d)
V=I/R
7.
The graph shows an object that is
a)
maintaining a constant speed
b)
accelerating
c)
decelerating
d)
stopped
8.
The voltage in a series circuit is
a)
divided between components
b)
equal across all components
c)
equal to zero
d)
flowing through cells from negative to positive
9.
Electric current in parallel circuits will
a)
divide at the junctions and then combine to return to the battery
b)
remain the same everywhere in the circuit
c)
add to the voltage
d)
subtract from the resistance
10.
An object in free fall will reach terminal velocity when weight is equal and opposite to
a)
air friction
b)
mass
c)
driving force
d)
net force
11.
An object will remain at rest or _______________ unless acted upon by a net force.
a)
keep a steady speed
b)
maintain an acceleration
c)
keep uniform deceleration
d)
move slowly
12.
The unit for acceleration is
a)
ms-2
b)
ms-1
c)
m/s
d)
ms2
13.
Light travels at 300 000 km/s.
If it takes 500 seconds for light from our sun to reach earth, how far away is the sun?
If it takes 500 seconds for light from our sun to reach earth, how far away is the sun?
a)
150 000 000 km
b)
150 000 000 m
c)
15 km
d)
150 000 000 000 km
14.
The unit for force
a)
Newton
b)
Joule
c)
Watt
d)
Ohm
15.
The formula for power
a)
P=W/t
b)
P=VR
c)
P=Wt
d)
P=ma
16.
The unit for power
a)
Watt
b)
Joule
c)
Newtown
d)
kilogram
17.
The unit for weight
a)
Newton
b)
Joule
c)
Watt
d)
kilogram
18.
The particles inside the nucleus of an atom
a)
protons and neutrons
b)
electrons
c)
electrons and neutrons
d)
leptons and bosons
19.
When a plastic rod is rubbed against wool it becomes negatively charged. Which particles were transferred to the rod to make it negative?
a)
electrons
b)
protons
c)
neutrons
d)
hadrons
20.
Ammeters have to be connected in
a)
series
b)
parallel
c)
positive to negative
d)
any way you like
21.
Voltmeters have
a)
very very high resistance
b)
zero resistance
c)
none of these options
d)
to be connected in series
22.
If a current in a wire is going into the page, there will be a magnetic field
a)
clockwise around the wire
b)
anticlockwise around the wire
c)
parallel along the wire
d)
inside the wire
23.
A fuse helps to
a)
prevent electric fires
b)
stop people getting shocked
c)
break the circuit instead of a switch
d)
carry large currents
24.
Compared to a 50 W light bulb a 150 W lamp
a)
uses 3 time as much electrical energy per second
b)
is more efficient
c)
is less yellow
d)
is about 3 times cheaper to run
25.
The particles that make up protons and neutrons
a)
quarks
b)
leptons
c)
electrons
d)
nucleus
100 %
