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WorksheetsElectricity & Sound
Total questions: 22
Worksheet time: 45mins
It is a power supply
A fifth grade class constructed this circuit. Which 2 of these objects most likely made the light glow when connected to points X and Y?
aluminum foil
rubber band
copper wire
plastic ruler
folded paper
An electrician is wearing rubber gloves. What is the purpose of the rubber gloves?
produce electricity
protect the electrician
keep him dry
What material would be worst to use as the pan handle?
wood
plastic
iron
Which type of circuit has more than one path for the electrical current?
The series circuit
The parallel circuit
Tasha made this model. In her model the bulb is not lit.
Which of these statements best explains why the bulb is not lit?
The wires are connected to the wrong battery terminals.
The bulb is burned out.
The switch is open.
A wire is missing.
Alicia turned on a light switch. What does turning a switch on do?
open a circuit, allowing electricity to flow
close a circuit, allowing electricity to flow
open a circuit, stopping electricity from flowing
Close a circuit, stopping electricity from flowing
How loud or soft the sound is
pitch
acoustics
wavelength
volume
Sound waves travel fastest through a ______
solid
liquid
gas
Sarah and Maria made a telephone using two cans and a string. It was a very long string. Maria went upstairs in her house and Sarah stayed downstairs. Maria spoke softly into the can. "I can hear you!' Sarah said back. How can this happen?
Sound waves travel through a vacuum.
Sound waves travel from high to low.
Sound waves travel through solids like the string.
Maria talked so loudly that Sarah could hear her without the phone.
Objects that vibrate slowly make a sound with a __________ pitch.
quiet
high
low
loud
When people speak their ________ vibrate.
ear drums
vocal chords
ears
tongue
How is a higher pitch produced on a guitar?
by plucking the strings harder
by tightening the strings
by loosening the strings
by stopping the strings from vibrating
Four students blow through four straws at different lengths. Which straw will make the highest pitched sound?
a 9-centimeter straw
a 14-centimeter straw
a 19-centimeter straw
a 23-centimeter straw
