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WorksheetsUnit 3 force, energy, circuits
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
Which form of energy will be demonstrated when the person is pushing the wheelchair?
a)
mechanical
b)
electrical
c)
light
d)
thermal
2.
Which forms of energy from the Sun reach the Earth?
a)
light and mechanical
b)
thermal and electrical
c)
light and thermal
d)
mechanical and thermal
3.
All of the following are examples of thermal energy EXCEPT the energy produced by......
a)
rubbing your hands together
b)
a hot plate boiling water
c)
plugging in a portable radio
4.
Which of the following is the best example of a student using electrical energy?
a)
turning on a light in the classroom
b)
using sissors
c)
writing in a journal with a pencil
5.
Which of the following items will best allow energy to flow through an electric circuit?
a)
metal antenna
b)
flexible straw
c)
wooden stick
6.
Which household appliance converts electrical energy to heat energy?
a)
hair dryer
b)
telephone
c)
calculator
7.
Which of the following BEST describes how energy changes water in the beaker into steam?
a)
air absorbs heat
b)
steam releases heat from the hot plate
c)
Water is heated by the hot plate
8.
What kind of energy drives this system?
a)
sound
b)
electrical
c)
light
d)
heat
9.
What kind of energy is produced from this candle?
a)
sounds and heat
b)
light
c)
heat
d)
heat and light
10.
Which type of energy warms the oceans?
a)
electrical
b)
light
c)
sound
d)
solar
11.
Most household appliances, such as toasters and blenders, must be plugged into a socket to work. Which type of energy provides power for these appliances?
a)
light
b)
sound
c)
electrical
d)
mechanical
12.
Which of the following is the BEST example of heat energy?
a)
burning campfire
b)
bicycle wheel
c)
battery operated radio
d)
windmill
13.
Walkie-talkies and remote control cars require batteries to work. Which type of energy is used to power these kind of toys?
a)
heat energy
b)
light energy
c)
sound energy
d)
electrical energy
14.
An object that has a lot of heat energy can be recognized because it
a)
appears bright
b)
is moving quickly
c)
has a round shape
d)
warm to the touch
15.
Which of these is the major energy source for Earth?
a)
sun
b)
rain
c)
moon
d)
wind
16.
Bob and Tom placed boards on the curb to race their identical remote control cars on. Bob's board had a rough surface. Tom's car won 7 out of 7 races. Why was his car faster?
a)
tension
b)
pressure
c)
friction
d)
gravity
17.
Posters were on the wall with tape. The next day one of the posters were on the ground. Which force acted upon the poster causing it to fall?
a)
friction
b)
magnetism
c)
gravity
d)
evaporation
18.
The illustration above shows an electrical circuit. The circuit has a lightbulb, a battery, a wire, and a switch. Which of the following is the role of the wire in the circuit?
a)
turning the lightbulb on and off
b)
producing energy for the lightbulb
c)
carrying electrical energy to the lightbulb
d)
changing the electrical energy into light energy
19.
How could a student make this a complete circuit?
a)
add more batteries
b)
open the switch
c)
close the switch
d)
decrease the length of the wire
20.
Removing the battery from the circuit will cause the ______
a)
electricity to flow faster
b)
circuit to overload
c)
the electricity to flow into the light
d)
the light to turn off
21.
The insulator is ________
a)
material that allows electric current or heat energy to flow through easily
b)
material that slows down or stops electric current from flowing (plastic coating)
c)
move or travel smooth in a certain direction
22.
The flow is to ___________
a)
magnetism created by an electric current
b)
magnetism created by an electric current
c)
move or travel smooth in a certain direction
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