1. Mirror: A surface that reflects light in a regular (clear reflection)
Convex lens A clear thing that refracts light. It’s thicker in the center and thinner at the edges
Sound & Waves
Concave lens A clear thing that refracts light. It’s thinner in the center and thicker at the edges
Sound & Waves
Refraction: Light bent by a clear lens or substance
Sound & Waves
air
water
glass 1a 1b 1c
Mirror: A surface that reflects light in a regular (clear reflection)
Sound & Waves
Focus or focal point: Point where light rays come together. Like from a mirror or lens
Sound & Waves
Lens: A clear, shaped object that refracts light.
Sound & Waves 1c 1e 1f
Convex mirror A reflector that either spreads light rays out or shows a large area. It’s bulgy in the middle.
Sound & Waves
Sound & Waves
Concave mirror A reflector that focuses light rays. It goes in towards the middle.
Sound & Waves
Laser: A focused beam of light. 1g 1h 1i

2. Prism: a triangular lens that splits out colors from white light
Sound & Waves
Ray: a beam of light
Sound & Waves
Image: a copy of an object made by reflected or refracted rays
Sound & Waves 2a 2b 2c
Transparent: see through
Sound & Waves
Translucent: lets light through, but not clearly
Sound & Waves
Opaque: blocks light
Sound & Waves 2c 2e 2f
Sound & Waves
Sound & Waves v
Sound & Waves 2g 2h 2i