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where does light travel at a constant speed
What is transmission
what is reflection
what is absorption
what is diffraction
what is a rainbow
how is a rainbow formed
where must the sun be in order to see a rainbow
What is a spectrum?
What is a mirage?
How are mirages made?
As we move from red to violet light, the wavelengths get _________
a) longer
b)Shorter
What is the doppler effect?
All the stars are slightly red (redshift) so using the doppler effect it means that the stars are moving away and the universe is expanding.
this means that__________
What is the big bang
What gives off light?
why is the sky blue
why are sunsets red?
What is a focal point?
where must the focal point be in the eye in order to see well.
what do glasses do?
if the focal point is in front of the retina, what lens do we use to fix this.
a) Converging
b) Diverging
if the focal point is past of the retina, what lens do we use to fix this.
a) Converging
b) Diverging
