WorksheetsWave Patterns 4.3.1 - 4.3.3
Total questions: 25
Worksheet time: 20mins
A wave that travels across miles of ocean is actually the ______________________ traveling, not water.
energy
clouds
seaweed
The slinky is moving __________
from left to right
from right to left
up and down
The number of waves that pass a fixed point in a given amount of time is called _____________.
wavelength
frequency
amplitude
The larger the amplitude of a wave, then the _____________ energy the wave has.
wavelength
Which of these waves would have less energy?
Which wave has more energy? The one with high frequency or low frequency?
(a)
When light bounces off something it is known as _____________
reflection
refraction
light energy
mechanical energy
How does the reflection of light help us see objects?
Light goes straight into our eyes.
Light reflects (bounces) off objects around us until it reaches our eyes.
Draw arros --> to show how the child can see his reflection on the mirror.
What are ways in which light can communicate information? Click all options that apply.
traffic light
Morse code
car turn signal
Sun light
How does a cell phone send a picture to another cell phone?
It changes the picture into text.
It sends the picture through sound waves.
It downloads the picture into light waves.
It encodes the picture into binary code
Digital devices use binary code to _____ information.
transmit
Morse code
pixels
bits
When you send a text message to a friend, what happens first after you have typed your message?
the phone encodes the letters of your message using ones and zeros
the phone sends an analog wave representing your message to another phone
the phone produces an electromagnetic wave with constant amplitude and frequency
the phone decodes the zeros and ones and converts them into letters
When you send a text message to the friend, what happens after the phone encodes the letters into binary code?
the code is transmitted
the phone sends an analog wave representing your message to another phone
the phone produces an electromagnetic wave with constant amplitude and frequency
the phone decodes the zeros and ones and converts them into letters
When you send a text message to the friend, what happens after the code is transmitted?
the code is received by the new phone
the phone sends an analog wave representing your message to another phone
the phone produces an electromagnetic wave with constant amplitude and frequency
the phone decodes the zeros and ones and converts them into letters
When you send a text message to a friend, what happens after the code is received by the new phone?
the code is received by the new phone
the phone sends an analog wave representing your message to another phone
the phone produces an electromagnetic wave with constant amplitude and frequency
the phone decodes the zeros and ones and converts them into letters
Which of the following show a form of communication that uses waves?
A traffic light
talking to a person across the room
Sending a text message
Drawing with a pencil
Why can we see the field and players, but not anything outside of it?
Explain how this person can use light waves to communicate.
