FUN PALACE 2018 Chladni Sue and Nat

Type Chladni

Duration 20 mins

# Deliveries

Duration

- Fun fact - Ernst Florens Friedrich Chladni (30 November 1756 – 3 April 1827) was a German physicist and musician. He is sometimes referred to as the father of acoustics.

- Interesting fact for a child/teenager – An Odd Name: They’re named for the German physicist Ernest Chladni who popularized them in the mid-1700s. His name is pronounced: kläd’nêz.

- Interesting fact for an Adult – Instruments made of wood, string, and metal move in complex and nonlinear ways; that's partly why the sounds they make are so rich.

- Image – image of Ernst Chladni on one search http://onesearch.slq.qld.gov.au/primo-explore/fulldisplay?docid=TN_bnf_soai_bnf_fr_gallica_ark_12148_btv1b8416446k&context=PC&vid=SLQ&lang=en_US&search_scope=SLQ_PCI_EBSCO&adaptor=primo_central_multiple_fe&tab=all&query=any,contains,Chladni&sortby=rank&facet=rtype,include,images&offset=0

1.Download audacity app on phone or tablet select the tone of sound

2. connect the speaker to a power source and to the phone/tablet

3. Place speaker foam housing

4. Cut 3cm long strip of tape to place on the metal plate

5. Then place the metal plate on top of the speaker

6. Turn the sound on

7. Pour the salt onto the metal plate while the sound is playing

8. Watch the salt make different shapes

-salt

-Rigid surface (metal plate)

-foam housing

-double sided tape

-phone/tablet

-speaker

-power source

-scissors

Learnt how the vibrations created shapes by using the salt and different tones made different shapes.