WorksheetsScience U3.3: Circuits and Electricity
Total questions: 16
Worksheet time: 13mins
Which material would be the BEST conductor?
cotton
rubber
iron
plastic
What is the energy transfer that is occurring when you turn on a ceiling fan?
Mechanical energy is changing into electrical energy, which lessens the amount of thermal energy.
Electrical energy is changing to mechanical energy, which lessens the amount of thermal energy.
Electrical energy is changing to thermal energy, which causes the fan to move (mechanical energy).
Mechanical energy is changing into thermal energy, which causes the fan to move (mechanical energy)
Gertrude does what Gertrude wants.
If Miley rubs a balloon on her head, the hairs attract closer to the balloon. Why?
The hairs have the same electrical charge as the balloon
The balloon is neutral, and the hairs are positive.
The balloon is neutral, and the hairs are negative.
The hairs and balloon have opposite charges.
a campfire uses chemical energy to create thermal energy, whereas an oven uses ___________ energy to create thermal energy.
electrical
chemical
mechanical
light
A motor is connected to a circuit with a D battery and two wires. To get the motor running, we need a (a) circuit.
Mr. Stincer is creating a circuit with a battery, wire, switch, and a light bulb. He realizes his wire (conductor) is too short. What material can he use to make the circuit a closed circuit to turn on a light bulb?
A wooden spoon
A metal paper clip
A Twizzler candy
plastic or nylon rope
My uncle got REALLY angry at Thanksgiving and threw the overcooked turkey through a glass window, shattering it. What TWO forms of energy are being displayed?
mechanical
electrical
thermal
sound
chemical
A metal can is being pushed away from a charged balloon. These charges are _______ and _______.
Later, we noticed a different metal can is drawing towards the balloon. These charges are ______ and _____.
(Select only ONE answer)
Positive and positive; negative and negative
negative and negative; positive and positive
neutral and positive; neutral and negative
negative and positive; positive and negative
positive and positive; negative and positive
Tessanderson listens to music on his iPhone while being taught online instruction in science instead of listening to his teacher. What is the energy transfer that is occurring?
electrical to sound
light to sound
sound to electrical
mechanical to sound
True or False: electricity cannot flow unless there is a LOAD such as a light bulb or fan present in the circuit.
True
False
True or False: Electricity will flow through an open circuit
True
False
True or False: Electricity needs a power source such as a plug or battery for it to flow through a closed circuit.
True
False
True or False: A circuit is not complete (closed) without a switch.
True
False
When I hit a baseball with a bat, mechanical energy is ________ into mechanical energy.
repelled
attracted
transferred
I don't play baseball.
If a switch is open, it is ______
on
off
broken
made of metal
A high pitch sound creates waves that vibrate ________.
A low pitch sound creates waves that vibrate ________.
fast; slow
slow; fast
fast; fast
slow; slow
