1
Materials that do not let light pass through
opaque
Bouncing of light
reflection
Objects appear white because?
Reflect all colors
What are all the colors of the light spectrum
ROYGBIV
What matter/medium does sound travel the slowest through?
gas
Form of energy that can travel through space in a straight line
light energy
1. The form sound takes as it travels
2. Why can't sound travel in space?
waves
There is no matter for sound to travel through in space.
Objects appear black because?
Absorb all colors
Why do pencils look different under water?
refraction
Sound energy is created through ___________.
vibrations
Loudness or softness of a sound
volume
What medium/matter does sound travel the fastest through
Solids
Bending of light around barriers or through openings
Diffraction
What does it mean to reflect
to bounce off
If a sound produces few vibrations is has a
_________ ____________.
low pitch
Bending of light as it passes from one type of matter to the next
refraction
What happens to light when it strikes a prism
If a sound produces or has many vibrations is creates a _________ _________.
high pitch
Cardboard, books, desk are all examples of ______ objects
opaque
What unit of measurement is used for sound?
Decibels (dB)
Materials that absorb some light and allow some light to pass through
translucent
What happens to white light when it strikes a red shirt
red is reflected, all other colors are absorbed
What do sound waves need to do to produce an echo?
reflect
Wax paper, tissues, and notebook paper are all examples of _____ objects.
translucent
Sound can do one or a combination of these 3 things when it is produced. What are the 3 things?
reflect, absorb, transmit (travel)