Like heat, ____________ is a form of energy and travels in waves.
All the sounds you hear are made when matter _______________.
Sound waves move in all __________________.
We see objects because light is _________________ from them.
Light is made up of these bundles of energy.
Travels in straight lines and has properties of both particles and waves.
Light _________ travel fastest through empty space and travel faster than anything else.
The band of colors that make up white light.
a flat and smooth mirror
a mirror that curves inward
a mirror that curves outward
the bending of a light wave as it moves through a material
lens on these glasses is for nearsighted people
sound can only be heard when it travels through this
Light is a form of __________ that can be seen.
Light travels ____________ than sound.
Light travels in ___________ lines.
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