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Grade 3 Science · Problem type
A pendulum’s pattern
Use this to record a pendulum’s swings and predict the next.
Record and look
8
16
24
32
40
48
10 seconds
20 seconds
30 seconds
40 seconds
50 seconds
60 seconds
10 seconds
20 seconds
30 seconds
40 seconds
50 seconds
60 seconds
Swings so far (swings)
8
16
24
32
40
48
It adds 8 swings every 10 seconds.
In 70 seconds: 56.
Tap a bar at the height you want.
Assumptions
•
A pendulum is a weight on a string. It keeps a steady beat.
•
Count its swings every 10 seconds. Tap a bar to change a count.
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