Worksheets3rd Year End of Year
Total questions: 25
Worksheet time: 22mins
Name
Class
Date
1.
What might supply the energy in an electric circuit?
a)
light bulb
b)
conductor
c)
wire
d)
battery
2.
The rate of flow of charge in a circuit is called the
a)
circuit
b)
voltage
c)
current
d)
potential difference
e)
resistance
3.
Which type of current comes from a battery?
a)
alternating current (AC)
b)
direct current (DC)
4.
Which type of current comes from a battery?
a)
alternating current (AC)
b)
direct current (DC)
5.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
6.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
7.
What is potential difference measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
8.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
9.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
10.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
11.
a)
Buzzer
b)
Switch (Open)
c)
Diode
d)
Horn
12.
This is the symbol for a...
a)
Light Dependent Resistor
b)
Light Emitting Diode
c)
Thermistor
d)
Cell
13.
This is the symbol for a...
a)
Light Emitting Diode
b)
Fuse
c)
Fixed Resistor
d)
Variable Resistor
14.
This is the symbol for a...
a)
Thermistor
b)
Fixed Resistor
c)
Variable Resistor
d)
Fuse
15.
This is the symbol for a...
a)
Light Emitting Diode
b)
Light Dependent Resistor
c)
Fuse
d)
Cell
16.
What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
17.
What direction does friction act relative to motion?
a)
in the same direction
b)
in the opposite direction
c)
need more information
d)
depends on the force
18.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
19.
Which of the following is an example of friction that is harmful?
a)
Pencil marking on paper
b)
Engine parts wearing out
c)
sand placed on ice in the winter
d)
Using an eraser to erase marks
20.
Heat transfer by conduction occurs when...
a)
particles bump into each other
b)
large numbers of atoms move from place to place
c)
atoms give off heat in the form of electromagnetic waves
d)
electromagnetic waves travel from place to place through a vacuum
21.
TRUE or FALSE? The rubber handle on this spoon is an INSULATOR, which means heat energy travels through it very easily.
a)
True
b)
False
22.
Why do metals conduct thermal energy more quickly?
a)
Particles vibrate faster
b)
Due to the presence of bound electrons
c)
Due to the presence of free electrons
d)
Metals are grey
23.
___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
24.
The kind of heat transfer that travels through space in electromagnetic waves is ______________________.
a)
insulation.
b)
Radiation
c)
Conduction
d)
Convection
25.
In which states of matter does convection occur?
a)
gases, liquids and solids
b)
gases and liquids only
c)
gases and solids only
d)
liquids and solids only
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