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WorksheetsElectricity, Waves, and Information Transfer
Total questions: 40
Worksheet time: 25mins
Which of the following is a conductor?
wood
rubber
metal
plastic
Which of the following is an insulator?
an eraser
a wire
a penny
a metal spoon
This picture shows a circuit that is
closed
open
an insulator
static electricity
Which transverse wave has the highest frequency?
1
2
3
4
Which diagram shows the wavelength of a wave?
What does a wave carry from place to place?
energy
matter
people
If the wavelength of a wave increased, what would happen to the frequency?
decrease
increase
stay the same
What type of wave is this?
Longitudinal
Transverse
Electromagnetic
x ray
You can't hear sounds in outer space because there is no
medium
light
energy
heat
Which type of waves can be stored as binary code?
analog
digital
both analog and digital
neither
What kind of wave is this?
analog
digital
neither
Which type of wave is it easier to remove "noise" from when sending information from one place to another?
analog
digital
both are equally difficult to remove noise from
neither type of wave picks up noise
Which property of the wave changes in an AM wave?
amplitude
frequency
wavelength
all of these answers are correct
How do you increase the kinetic energy of molecules?
Decrease the temp
change the energy input
increase the thermal energy
expand the molecules and increase the density
Thermal energy always moves from areas of ______ heat to areas of ______ heat.
low -- high
high -- low
high -- high
low -- low
What is the name of the part of the neuron that is pointed out in the image?
Myelin Sheats
Axon
Dendrites
Cell Body (Soma)
What are the Neurons?
Units that constitute the nervous system.
Units that constitute the brain tissue.
Blocks of tissue that constitute the endocrine system.
Blocks or tissues that constitute the organs of the body system.
Light travels through an object during
absorption
reflection
transmission
diffraction
Which object shows an energy transformation from electrical to mechanical?
Select all of the following that are true.
Energy can be transferred and transformed.
There are three types of energy.
Energy just disappears sometimes.
Electrical energy can be transformed into mechanical energy.
When you drop a basketball it does not bounce back all the way. This is because some of the mechanical energy is 'lost' when it transforms into which of the following ?
Sound
Chemical
Radiant
Hamster
What is the energy transformation that occurs in an electric pencil sharpener?
mechanical energy to electrical energy
electrical energy to mechanical energy
radiant energy to sound energy
chemical energy to mechanical energy
