What is This?. Today is National “Groundhog Day” Day Today’s Agenda 1.Web Site, Return Binders; 2.Light or Sound Videos; Warm Up What is Necessary In.

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Presentation transcript:

What is This?

Today is National “Groundhog Day” Day Today’s Agenda 1.Web Site, Return Binders; 2.Light or Sound Videos; Warm Up What is Necessary In Order for You to Hear Sound? Be STRONG When You are Weak. Be BRAVE When You are Afraid, Be Humble When You are Victorious. Tuesday, February 2, : First Groundhog Day. If He Sees His Shadow, Six More Weeks of Winter : 1 st Song Beamed Directly Into Space by NASA: 'Across the Universe' by The Beatles. Today is Also National Heavenly Hash Day

What is This? Comet 67P- Churyumov-Gerasimenko As Photographed by Rosetta Probe

Monday Tuesday Wednesday Thursday Friday February Calendar of Events Advanced Integrated Science -A Clubs -Waves- Sound of Music SUBMIT MID TERM GRADES -Waves: Palm Pipes Binder Grp Binder Grp 1 B Club Forgiveness Means Letting Go of all Hope for a Better Past Finish Video: Light -Video Facts Binder Grp 3 MID TERM Mirrors CLC ACT Practice Waves Notes

Monday Tuesday Wednesday Thursday Friday January Calendar of Events Regular Integrated Science Binder Grp 3 Forgiveness Means Letting Go of all Hope for a Better Past Binder Grp 1 B Club -Finish Sound Videos -Video Facts Binder Grp 3 CLC ACT Practice -A Clubs -Waves- Sound of Music SUBMIT MID TERM GRADES -Waves: Palm Pipes Binder Grp Mirrors Waves Notes

Where Elements Come From

Wave speed(v) = Frequency(f) x Wavelength ( ƛ ) (m/s)= (Hz) x (m) Solve the Following: 1.Find Wavelength (m) of a Wave with a Speed of 100 m/s if the Frequency is 10 Hz. 2.What Would the Wave Speed (m/s) Be of a Wave with a Frequency of 201 Hz and a Wavelength of 20 m? 3.What Would the Answer be in km/s? Wave Problem 10 m 4020 m/s 4.02 km/s

Reflection Reflection: Wave Strikes Object Bounces Off Demo: Laser Beam Liquidity! DRAW ME

Diffraction Diffraction: A wave bends as it passes an object. Noisy Classroom Demo! DRAW ME

Refraction Refraction: Bending of Wave Caused by Change of Speed as it Moves From One Medium to Another. Demo: Beaker with fork

Refraction

Moon Halo Cirrus Clouds High in Atmosphere Contain Tiny Ice Crystals. Ice Crystals Refract Moonlight and Create Ring/Halo Around Moon. Greater Cincinnati January 7 th /8 th, 2012

Interference Interference: 2 or More Waves Combine to Form New Wave. Constructive Interference- Waves Combine New Wave is LARGER than Original. Destructive Interference- Waves Combine New Wave is smaller than Original Waves. Demo: Acoustic Tuning Forks

Constructive/Destructive Interference – DRAW & LABEL WHICH IS WHICH CONSTRUCTIVE DESTRUCTIVE

Standing Waves Standing waves: Wave Pattern Stays in One Place. Spring Demo! Node Anti-node

Solve Identify which standing wave picture has 5 nodes. 4m Then determine how long each wave is. ג : 4/0.5 = 8m ג : 4/1 = 4m ג : 4/1.5 = 2.67m ג : 4/2 = 2m ג : 4/2.5 = 1.6m ג : 4/3 = 1.33m ABCDEFABCDEF

Exit Slip In this standing wave picture, how many waves are in each sequence below? Answers: