Do sound waves closer together have a higher or lower pitch?
Higher
no change in pitch
lower
equal pitches
Do shorter sound waves, or waves with a lower amplitude, have a higher or lower volume?
Lower
no change in volume
higher
no volume
A guitar string makes a higher pitched sound when you tighten the string. Why?
Tightening the string makes it vibrate slower
Tightening the string makes the volume louder
Tightening the string makes it vibrate faster.
Tightening the string makes the string longer
Which object is Opaque?
stained glass window
glass
waxed paper
brick
The bouncing of light off of a smooth surface
refraction
reflection
absorption
transmitted
On a hot summer day, a black shirt gets hot because light is _____________
reflected
refracted
absorbed
attraction
A change in the direction of light
prism
reflection
concave lenses
refraction
a 3D triangular object made of clear glass or plastic that refracts light
mirror
concave
prism
convex
A lens that is thicker in the middle than at the edges
convex
mirror
absorption
concave
a lens that is thicker at the edges than in the middle
concave
reflexion
refracction
convex
a type of energy that you can hear
light energy
sound energy
heat energy
absorption
Which object is opaque?
glass
air
metal
water
