AC9S2U02

Elaborations

• AC9S2U02_E1building vocabulary for describing sound, such as loudness and pitch, and comparing sounds made by musical instruments
• AC9S2U02_E2exploring different ways to produce sound using familiar objects and actions such as striking, blowing, scraping, plucking and shaking
• AC9S2U02_E3exploring how traditional musical instruments used by First Nations Australians produce their characteristic sounds
• AC9S2U02_E4exploring how voices have a unique sound by playing games such as guess the speaker
• AC9S2U02_E5observing vibrations produced by a twanged ruler held on a desk and experimenting with different ways of holding or positioning the ruler to produce observably different vibrations and sounds
• AC9S2U02_E6investigating how sound energy makes things vibrate such as when speaking, using tuning forks or observing music speakers
• AC9S2U02_E7investigating which materials best muffle sound
• AC9S2U02_E8designing and making instruments that produce different sounds, such as drums, rain makers, thongophones or box guitars
• AC9S2U02_E9discussing situations in which they have heard echoes and exploring how humans with vision impairment and other animals such as dolphins and bats use echolocation to locate objects in their environments