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Guided journey · 5 discoveries

Sound and circuits

Compare pitch and loudness, then build connections that carry current.

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  1. 1

    What makes one note higher than another?

    Compare equal time windows with different vibration frequencies.

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  2. 2

    How does wave size relate to sound strength?

    Change amplitude while keeping frequency and the comparison distance fixed.

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  3. 3

    What does a bulb need to light?

    Open and close a virtual loop between a battery and a bulb.

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  4. 4

    Which materials complete an electrical path?

    Compare virtual samples in the same simple test circuit.

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  5. 5

    How do different circuit paths change the result?

    Compare equal resistive loads in one route and in separate branches.

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Each discovery includes all five reading levels. Journey progress reflects the checkpoints answered on this browser.

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