2. Brain Pop Vocabulary- Reflection Refraction Angle of incidence Angle of reflection

3. Question: What happens to your image when you look into a mirror? On a separate piece of paper write a paragraph about tracing a star from a mirror image that includes the answer to this question. Things to think about: Was it easy? Why or why not? Was one partner better at tracing? What would have made it easier or more difficult? What would you change? With your partner, try to trace the star looking into the mirror only. 1.Name, date and heading “Star Tracer Paragraph” 2.5 Sentence paragraph answering the question, “What happens to your image when you look into a mirror?” AND what is was like to trace the star.

4. 1) Longitudinal 2) Transverse Wave Double Bubble p. 21

5. So, what can we add to our Wave Double Bubble on p. 21 in our notes?

6. Wave Double Bubble Waves Troughs Crests Rarefactions Transfer NRG Sound Waves Light Waves Travels Up & Down Travels Back & Forth Longitudinal Transverse Frequency Amplitude Wavelength Compressions

7. Waves Troughs Crests Travels Slowest in Gases Travels Fastest In Solids Rarefactions Compressions Wavelength, Amplitude, & Frequency Travels Faster than Sound Transfer NRG Sound Waves Light Waves Travels Up & Down Travels Back & Forth Travels in a Straight Line until it hits Something LongitudinalTransverse Reflection (Bounce) Refraction (Bend) & Absorb (take in) Travels Fast in Hot Temps & Slow in Cold Temps EMS Needs a Medium Does NOT Need a Medium

8. Light Notes Light travels in _______________ waves which travel up and down with crests and troughs. It does _____ need a medium to travel through. ! If it does go through a medium, it travels at different _____________. Light can travel through empty ___________ at 300,000km/s or 186,000 miles/sec! Light travels faster than ____________. Light travels in a ______________ line until it hits something…then it either __________, _________, or gets absorbed! transverse space speeds NOT bends bounces straight sound

9. Properties of light Luminous= give off their _____ light ex) candle Illuminated= light reflects off of it ex) ________ Transparent= See through/_______ ex) window Translucent= Partially ___ through/blurry ex) wax paper Opaque= ___ able to see through/obstructed ex) desk own moon clear see Not

10. Refraction= __________ of light ex) rainbow Absorption= gets absorbed in the material ex) ______ Reflection= Light ____________ off ex) mirror ______= Black & White _________ = Color Iris = Colored Part of eye Pupil = ___ Part of eye White Light = Colors of the ___________ Ex) prism Black = Absence of color Rainbow Colors = _____ rainbow Black Rods Cones bounces color bending ROYGBIV

11. Convex or Concave? TypeMirrorLens ConvexCurved _________ Like the Back of a Spoon! Curves Outward _______ in the Middle & used for _____sightedness ConcaveCurved ________ Like the Inside of a Spoon! Curves Inward _____in the Middle & used for _____sightedness outward Far Thick Thin inward Near

12. What color is a mirror?

13. Shout Backs When I say…You say… LongitudinalSound CompressionTogether RarefactionApart TransverseLight CrestTop TroughBottom WavelengthDistance FrequencyNumber AmplitudeHeight ReflectionBounce RefractionBend AbsorbTake In

14. Sound vs. Light Direction Compression Rarefaction Trough Crest

15. WORD WALL! Create 4 Columns…#, Word, Definition, & Picture or Symbol…like this… #WordDefinitionPicture/Symbol 1Wave 2Energy 3Sound 4LightLight is radiant energy, usually referring to electromagnetic radiation that is visible to the human eye, and is responsible for the sense of sightelectromagnetic radiationvisiblehuman eyesight 5Longitudinal 6Transverse 7Compression 8Rarefaction 9Crest 10Trough