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WorksheetsEnergy Review
Total questions: 40
Worksheet time: 38mins
Name
Class
Date
1.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Electromagnetic
2.
When plants convert the sun's energy into food, which type of energy does the sun energy become?
a)
kinetic
b)
chemical
c)
thermal
3.
What form of energy is stored in the bonds between molecules of matter?
a)
chemical energy
b)
heat energy
c)
kinetic energy
d)
mechanical energy
4.
Which of the followings are examples of thermal energy?
a)
a violin string plucked, talking, ringing telephone
b)
boiling water, steam, heat from a flashlight
c)
candle flame, light bulb light
d)
energy from the sun (fusion, energy from a nuclear power plant (fission)
5.
What does vibrate mean?
a)
a type of energy that you can hear
b)
how loud or soft a sound is
c)
how high or low a sound is
d)
to move back and forth quickly
6.
Sound is caused by?
a)
force
b)
vibrations
c)
instruments
7.
What might you say to this boy who is yelling?
a)
"Lower your sound wave amplitude!"
b)
"Lower your sound wave frequency!"
c)
"Increase your sound wave frequency!"
d)
"Increase you sound wave amplitude!"
8.
What is being shown by the line between the tops of the waves in figure (a)?
a)
Amplitude
b)
Direction
c)
Trough
d)
Wavelength
9.
Area where air is pushed together by vibrations
a)
speed of sound
b)
compression
c)
pitch
d)
sound waves
10.
Measure of how high or low a sound is
a)
amplitude
b)
compression
c)
speed of sound
d)
pitch
11.
The measure of energy a wave carries
a)
sound wave
b)
wavelength
c)
amplitude
d)
pitch
12.
If a sound's pitch is high, its source is
a)
an echo
b)
vibrating quickly
c)
nearby
d)
a sonic boom
13.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
14.
Light bounces when it is
a)
reflected
b)
absorbed
c)
refracted
15.
Light bends when it is
a)
refracted
b)
reflected
c)
absorbed
16.
soak up
a)
absorb
b)
reflect
c)
refract
17.
slowed down
a)
reflected
b)
refracted
c)
absorbed
18.
mirror
a)
absorbs
b)
reflects
c)
refracts
19.
A student place a ruler into a glass of water and observes that the ruler looks broken. What is occuring?
a)
The force of the water has broken the ruler.
b)
The ruler is broken before it is put in the water.
c)
Water in the cup reflects light around the ruler in a different direction than the air.
d)
Light is refracted as it enter the water, making the ruler look broken.
20.
When light/waves move from one medium to another, change in ____ can be observed.
a)
speed, direction, frequency
b)
speed, direction
c)
frequency
d)
amplitude
21.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
22.
A pathway for electricity to travel is called___________
a)
current
b)
static electrcity
c)
circuit
d)
circle
23.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
24.
In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?
a)
TRUE
b)
FALSE
25.
Does this diagram represent a series or parallel circuit?
a)
series circuit
b)
parallel circuit
26.
A conductor is?
a)
material that current can pass through easily
b)
material that current cannot pass through easily
c)
magnet
d)
electric current
27.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
28.
Metals such as copper, iron, gold, and silver are ...
a)
conductors
b)
brittle
c)
insulators
d)
resistors
29.
Compared to thin wires, electrical resistance in thick wires is:
a)
greater
b)
less
c)
the same
30.
What is a material that resists, or does NOT allow, energy to flow through?
a)
circuit
b)
insulator
c)
series
d)
conductor
31.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)
10 volts
b)
1 volt
c)
48 volts
d)
5 volts
32.
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
33.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
34.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
35.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
36.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
37.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
38.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
d)
does not move
39.
What letter represents Current?
a)
A
b)
I
c)
R
d)
E
40.
How do you calculate current
a)
Resistance X Voltage
b)
Voltage X Resistance
c)
Resistance ÷ Voltage
d)
Voltage ÷ Resistance
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