Science Words
Re ga le du ca tio n
Use the words to complete the sentences. vibrations volume pitch natural source of light
1.
artificial source of light reflect ors of h good conductors heat ors of heat poor conductors
An object made by people that gives out light off its own is c called an .
2.
is how loud or soft a sound is.
3.
are rapid back and forth movements.
4.
do not allow heat to o pass through them easily.
5.
We see objects when they
light. lig
6.
allow heat to pass ass through them easily.
7.
is how high or low a sound so is.
8.
g An object in nature that gives out light of its own is a
.
Review
1.
What causes es sounds?
2.
How does es sound travel from its source to our ears?
3.
How sounds? ow can we describe de
4.
Draw aw a Venn Ven diagram to compare natural and artificial sources of light.
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