Waves
The movement or transfer of energy through a medium
What are waves?
The distance between 2 points of waves is called__________________.
What is wavelengths?
True or False: Light comes from both natural sources and artificial sources.
What is true?
All light passes through, you can see through it
What is transparent?
turning pictures or messages into a special code that someone can read or understand
What is encoding?
The ability to change or move an object through force
What is energy?
The highest point of a wave
What is crest?
When light hits an object and bounces off
What is reflection?
Some light passes through, you can't see through it clearly
What is translucent?
a system of representing information using only 0s and 1s
What is binary code?
The height or size of the waves and represents how strong a wave is
What is amplitude?
The number of waves that pass in a certain amount of time
What is frequency?
When light bends passing from one transparent material to another
What is refraction?
no light passes through, you can't see through it at all
What is opaque?
to figure out a message that has been hidden in a code
What is decoding?
Waves with larger amplitude usually have more__________.
What is energy?
Waves with short wavelengths have high ____________.
What is frequency?
The process of soaking something up
What is absorption?
Sunglasses act as a barrier between our eyes and the objects we see is an example of__________________.
What is translucent?
a system of representing information using dots and dashes and light and sounds
What is Morse Code?
In sound waves, waves with shorter wavelengths have __________________pitches.
What is higher?
Waves move through a _________________, such as air, water or solids.
What is a medium?
Sunlight hits the moon, then it bounces back, off the moon and into our eyes
What is reflection?
made of mirrors and long tubes, and uses reflection of light that allows a person to see objects out of sight
What is a periscope?
Binary codes are used by what_________________.
What are digital devices, such as phones and computers?