Waves
draw a wave on the board and label the trough
trough should be the single lowest point of the wave
Draw and label the amplitude of a wave on the board
amplitude is the point of a wave that is furthest from neutral
What term does this definition belong to?
a visual object or mark that stands for something else
What VISIBLE color has the highest frequency?
ultraviolet
The more energy the disturbance has, the ______________ (more intense or less intense) the resulting wave will be.
the more intense
the distance from one wave crest to the next wave crest
what is the term that describes when something moves back and forth quickly producing a sound?
vibrate
What type of waves do cell phones use?
radio waves
What VISIBLE color has the lowest frequency?
Bonus 100 points: give an example of when infrared is used in real life.
infrared
used as thermal (heat) imagers
A wave moves _____________ (toward or away) from the disturbance that causes it?
away
True
Give 3 examples of what a high frequency and high amplitude wave would sound like
sounds should be high pitched and loud
- scream
- train whistle
- cat yowling
Give one example of a code
ie. handicap sign, men's/women's restroom, crosswalk
True or false: light CANNOT transfer through empty space (space without matter) and make things visible
False: it can transfer through space without matter to make things visible
Solid, liquid and gas
How would a high frequency wave look compared to a low frequency wave? (draw on the board)
high frequency would have more crests and a low frequency wave would have fewer crests
What state of matter does sound travel through best?
solid
Give one example of a signal used in this room
ie. fire alarm
What is it called when a light wave bounces off of something?
reflection
Give an example of each state of matter
Solid: ie. table
Liquid: ie. milk
Gas: ie. oxygen
A high frequency wave would have a shorter wave length and a low frequency wave would have a longer wave length
Draw a sound wave of a cow's moo versus a mouse squeak (label wavelength, wave height, trough, crest, and amplitude)
moo sound should be low frequency but high intensity
mouse squeak should be high frequency and low intensity
What type of waves are helpful with treating diseases like cancer?
gamma rays
What color is the most absorbent?
black
What is one substance can take all 3 forms of matter depending on the temperature of the environment it is in?
water