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WorksheetsUnit 5-7 Review Physical Science
Total questions: 50
Worksheet time: 42mins
Name
Class
Date
1.
What are the two types of waves?
a)
longitudinal and transverse
b)
sound and light
2.
Which of the following can waves transfer energy through?
a)
solid
b)
liquid
c)
gas
d)
empty space
e)
all of the above
3.
What do all waves transfer?
a)
Matter
b)
Heat
c)
Electricity
d)
Energy
4.
Wavelengths are usually measured in ....
a)
seconds
b)
Hz
c)
inches
d)
meters
5.
What does #1 represent?
a)
Period
b)
Frequency
c)
Wavelength
d)
Amplitude
6.
What does #2 represent?
a)
Period
b)
Frequency
c)
Wavelength
d)
Amplitude
7.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
8.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
9.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast
10.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
11.
The number of wavelengths that pass a point each per second is:
a)
frequency
b)
period
c)
longitudinal
d)
transverse wave
12.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
13.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
14.
As thermal energy increases, what happens to the movement of the molecules?
a)
Increases
b)
Decreases
c)
Stays the same
15.
Liquid particles have more energy than ___ particles.
a)
solid
b)
gas
16.
The particles of ___ generally have the least amount of energy.
a)
solids
b)
liquids
c)
gases
17.
Law of Conservation of Mass says...
a)
Energy is always created and destroyed
b)
Energy is only in hot things
c)
Energy can be destroyed easily
d)
Energy cannot be created or destroyed
18.
As temperature increases, molecules _____________
a)
move slower
b)
move the same
c)
move faster
d)
stop moving
19.
Which material is the best conductor of heat?
a)
glass
b)
styrofoam
c)
metal
d)
wood
20.
Which of the following are kinds of heat transfer.
a)
Conduction
b)
Convection
c)
Radiation
d)
All of the above
21.
Which example below is an example of convection?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
22.
Which example below is an example of radiation?
a)
Standing on a hot metal bridge
b)
The attic is warmer than the basement
c)
The Sun heating the Earth
d)
Touching hot sand with your feet
23.
What type of material makes the best insulators?
a)
Aluminum
b)
Copper
c)
Styrofoam
d)
Metal
24.
Does this represent attraction or repulsion?
a)
attraction
b)
repulstion
25.
Does this show attraction or repulsion?
a)
attract
b)
repel
26.
What part of a circuit stops the current?
a)
wire
b)
switch
c)
battery
d)
light
27.
What material is an insulator?
a)
coper
b)
silver
c)
gold
d)
plastic
28.
What material is a good conductor?
a)
copper
b)
wood
c)
rubber
d)
plastic
29.
Why are the wires covered in plastic?
a)
keeps the wire from scratching stuff
b)
makes a nice coil
c)
it is a conductor
d)
keeps you from getting shocked
30.
Which item sticks to a magnet?
a)
rubber band
b)
paper clips
c)
craft sticks
d)
plastic straws
31.
A material through which electrons can easily flow.
a)
insulators
b)
conductors
32.
A type of circuit where each component is connected, one after the other, in a SINGLE loop.
a)
series circuit
b)
parallel circuit
33.
A material that SLOWS or STOPS the flow of electrons.
a)
insulators
b)
conductors
34.
A BROKEN loop of conductors
a)
closed circuit
b)
open circuit
35.
Name the following symbol used in the drawing of a circuit.
a)
battery
b)
switch
c)
motor
d)
light bulb
36.
This is an example of...
a)
series circuit
b)
parallel circuit
37.
This is an example of...
a)
crazy hair
b)
static electricity
c)
lightning
d)
insulator
38.
An electric current can move along more than one path in a.....
a)
Series circuit
b)
Parallel circuit
39.
The two ends of a bar magnet are its
a)
Magnetic poles
b)
Insulators
c)
Circuits
d)
Irons
40.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
41.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
42.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
43.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
44.
Calculate the power generated as a 20 A current flows through a 10Ω resistor?
a)
2 W
b)
200 W
c)
4000 W
d)
400 W
45.
How much power can be generated from a 20A current flow because of a 1 kV battery?
a)
20 W
b)
20000 W
c)
0.05 W
d)
0.5 W
46.
The flow of electrical energy starts at the ___ side of the d-cell.
a)
negative
b)
positve
c)
complete circuit
d)
bulb
47.
In a parallel circuit if one of the light bulbs burns out the rest _________.
a)
stop the flow of electricity
b)
can still light up
c)
will go out
d)
of the light bulbs burn out also
48.
A golf pro swings his driver which weighs 0.75Kg at a velocity of 60 m/s. Calculate the kinetic energy of the club.
a)
2700 J
b)
16.9 J
c)
1350 J
d)
45 J
49.
What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s.
a)
80 J
b)
3.2 J
c)
160 J
d)
40 J
50.
An 8kg dog chases a cat. if the dog has 400J of kinetic energy. What is the speed of the dog?
a)
10 m/s
b)
5 m/s
c)
1 m/s
d)
100 m/s
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