What happens to sound as it travels away from its source?

Lesson
Science
3rd Grade
What happens to sound as it travels away from its source? - Presentation
What happens to sound as it travels away from its source? - Teacher notes
What quietens sounds? - Worksheet
What is the best material to muffle sound - Prompt sheet
How far does sound travel? - Prompt sheet
What happens to sound as it travels away from its source? - Investigation write up prompts
How far does sound travel? - Additional Challenge
What happens to sound as it travels away from its source? - Presentation
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What happens to sound as it travels away from its source? - Presentation
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Science Lesson Description

3rd Grade Science lesson from the unit Sound. This lesson uses an enquiry-approach method, and will facilitate students answering the question 'What happens to sound as it travels away from its source?'