Properties of Waves
What does a wave have to travel through?
Medium
In order for waves to appear a ______ must happen in a medium.
Light can be modeled as traveling in _________. Which is a line of energy that continues in one direction until it hits an object.
Ray
A ___ signal sends information in a continuous stream.
Wavelength
A water droplet falls into a bowl of water. What type of wave pattern is created?
Circular
What are the parts of the human eye that work together to form a system? (3)
Pupil, Lens, and Retina
A _____ signal sends clear-cut vales such as numbers, which are sometimes called digits.
Digital
The height of the crest represents the ________ of a wave.
amplitude
Predicted
What is the only type of light waves we can see?
Visible Light
What are the three parts of a device that uses radio frequency signals?
Transmitter, Antenna, and Receiver
What is the frequency of a wave?
The number of wave repetitions in a certain amount of time.
When more than one wave moves through a medium, they can meet. When this happens, the waves add together as they travel through each other. This is called _________________.
Superposition
What is the very first step in how a person is able to see something?
Light energy shines from a source, such as the sun.
What is the part of a device that sends out radio signals?
Transmitter
When modeling waves, a transverse wave moves___________________ to the particle motion.
perpendicular
A guitar string that has been plucked is an example of _______________.
Oscillation
What are the three terms that describe how much light can pass through matter?
Transparent, Translucent, and Opaque
When our ears and eyes collect different kinds of waves, what inside of us is in charge of decoding the signals?
Brain