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All About Light

Across
Some creatures deep in the ocean illuminate light, this is light is called ______?
What is light a form of?
Another name for chemical energy is?
Any object that gives off light is called _______?
________ is when light is released because of a chemical reaction.
A lightbulb is a ______ source of light?
Humans _____ light?
The brightness or how strong light is, will show how much energy ______ will get.
Something that is heated to a high temperature and it emits visible light is called?
The ______ is a natural source of light?
Standing under a black light makes some of your clothes glow, this is called ______ light.
All of the ______ in the universe emit light.
Down
______ wavelength has more energy.
________ wavelength has less energy.
A Fluorescent source of light is kind of the same as ______ light.
Light that is shorter in wavelength is more ______ in color?
Trees absorb sunlight and make ______ energy.
Flashlights use ______ energy from batteries to light up.
Light travels in?
Energy of _____ is tied to it's wavelength.
Energy and wavelength are the ______.
What instrument can measure the wavelength of light?
Energy goes _____, when the wavelength gets shorter.
Light that has a longer wavelength is more ______ in color.
A long time ago before electricity, ______ were used for a source of light.