What type of object creates a shadow?
Opaque
A concave mirror curves _____.
inward like cave
What part of your body vibrates to make sound?
vocal cords
What did Alexander Graham Bell's mother use to help her hear?
Hearing trumpet
What type of object can light pass through?
A convex mirror curves _____.
Outward like a hill
Sound travels fastest through ____.
solids
What is the name of the communication that uses dots and dashes?
morse code
What color is the longest visible wavelength?
Red
Light travels fastest through _____.
air
Which is faster, light or sound?
light
Alexander Graham Bell is credited with inventing the _____.
telephone
What kind of light does the sun give off?
White light
A prism has a special shape that ____ white light into all the colors of the rainbow.
refracts
A baby's screech is a an example of ____ pitch.
high
Thomas Edison is crediting with inventing the ____.
light bulb
A flat mirror is also called a _____ mirror.
Plane
The colors are in a spectrum and always appear in the same order. What is the order?
ROY G. BIV
A bird chirping is an example of a ____ pitch.
High
kinetoscope