Using Light

photocopy

photograph

photon

photosynthesis

telephoto

Light is a form of nutrient

Main source of light is the sun

Light is a form of energy

Light is the fastest

yes

No

Maybe

TRUE

FALSE

solid

liquid

gas

vacuum of empty space

solid

liquid

gas

vacuum of empty space

speed up

slow down

not change speed

the speed they travel in a vacuum

wavelength and frequency

the way they reflect

the orientation of their electric and magnetic fields

higher

lower

neither, stays the same

We are able to see when the sun is outside.

We are able to see when light shines on the eyes.

We are able to see the object when light from the torch enters our eyes.

We are able to see the object when reflected light from the object enters our eyes.

light

dark

Stairght line

No it does not

Non of the above

natural light sources

transparent

artificial light sources