Grade 4 Science Test
Light and Sound
1) True or False, if the answer is false, rewrite the statement so that it is true.
a) T F Light and sound both travel in waves.
b) T F Light waves can be reflected, refracted and modified.
c) T F Sound waves travel in a straight line.
d) T F The pitch of a sound is how loud it is.
e) T F White light is made up of two colours of light: black and gray.
2) Is the light source luminous our non-luminous
a) computer screen luminous
non-luminous
b) candle
luminous
non-luminous
c) the moon luminous
non-luminous
d) mirror
luminous
non-luminous
e) bike reflector
luminous
non-luminous
3)