SME
Grade 4 Science · Problem type
Messages sent by light or by sound
Use this to sort ways of sending a message by what carries the pattern.
Sort
What carries the pattern?
Tap a card, then tap its group.
Assumptions
•
A message can travel as a pattern: flashes, colors, beats or beeps.
•
Light patterns are seen. Sound patterns are heard.
•
Light travels much faster than sound, so you see lightning before you hear thunder.
Topic check
See what you know: 5 questions on this topic
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