Today's Rocket Words: Your 5 words and meanings to learn
focal point
The point which rays of light meet after passing through a lens.
lens
A transparent material which changes the direction of light.
refraction
The change in direction of light which happens due to the light passing through two different substances.
refracting telescope
A type of telescope that uses lenses to magnify images of things far away.
convex lens
A lens which bulges outwards.