Integrated Coordinated Science for the 21st Century
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Answers
Physics To Go
- a-c) See Steps 11 and 12 (a) and answers above.
- a) You feel vibration in your chest.
b) The vibration at a rock concert is different, because its frequency is so much lower than the frequency of the sound coming from the speaker in the activity.
- Note: Students will need to know that the pin near the dot on the 555 chip is pin #1. Other pins are numbered proceeding counterclockwise around the chip, as shown in the drawing in the Background Information section.
- The circuit drawing shows one possible design. Each capacitor corresponds to a certain note. Closing the switch for a capacitor plays its note. See below.
- Students may search the Internet for price information.
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