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WorksheetsEnergy Transfer
Total questions: 32
Worksheet time: 43mins
Identify the type of magnet in the picture.
horseshoe magnet
donut magnet
bar magnet
Every magnet has two poles. What are the names of these poles?
north and south
east and west
north and west
east and south
Which of the following means to move away?
attract
repel
magnetic field
Identify the type of magnet in the picture.
horseshoe magnet
bar magnet
donut magnet
Which of the following would be attracted to a magnet?
iron, nickel, and steel
cotton, rubber, and plastic
water, wood, air
How did we measure the strength of a magnet in class?
Counting how many times the coil wrapped around the core.
Counting how many batteries were in the series.
Counting how many paper clips the magnet could pick up.
Identify the type of magnet in the picture.
horseshoe magnet
bar magnet
donut magnet
To attract means to __________.
move apart
come together
stay in the same place
All magnets have the same strength.
True
False
Where is the force of attraction the strongest on a magnet?
in the middle
sides
at the poles
A circuit is made of wires, a lamp, a switch, and a battery is shown in the picture. What change is needed for the lamp glow?
The switch needs to be closed.
The switch needs to be open.
The wire needs to be connected to the bottom of the wire.
Which statement best explains why the lamp does not glow?
Circuit 1 is an open circuit.
Circuit 1 is a closed circuit.
Circuit 1 doesn't have a big enough battery.
Which material is the best conductor of heat?
glass
plastic
aluminum
The wires connecting the battery and the light bulb create a closed circuit. What would happen if one of the wires were cut?
The wire would become hot.
The light bulb would go out.
The light bulb will turn on.
___________ allows electricity to flow.
A conductor
An insulator
A magnet
To complete a circuit, the switch must be ___________.
unattached
open
closed
Two batteries in a circuit make the light in the circuit brighter than with one battery.
True
False
Which material would make the best insulator.
plastic
steel
copper
Which statement is true?
The light will not light up because the circuit in complete.
The light bulb will light because the circuit is complete.
The light bulb will not light up because the circuit is broken.
Which form of energy is being used by the toaster?
heat
electrical
light
What is the power source in this circuit?
light bulb
switch
wires
battery
____________ is a measure of how hot or cold something is.
Cold
Heat
Temperature
An instrument used to measure heat.
Thermometer
Celsius
Fahrenheit
A force that occurs when one objects rubs against another object is called_____.
heat
friction
electricity
The flow of thermal energy from warmer objects to cooler objects is called _______.
ice cold
convection
heat
Fur, cotton, wool, and plastic are examples of _______.
conductors
insulators
Which color absorbs the most heat?
light blue
white
black
Heat always goes from a _______ temperature to a ______ temperature.
warmer to cooler
cooler to warmer
How do you know a hotdog is being cooked?
the color changes
it becomes colder
the color changes and the temperature increase
Which of the following cups most likely keep my water cold?
Styrofoam
paper
glass
The ________ is our main source of heat.
moon
sun
fire
Metal does not conduct heat or electricity well.
True
False
