Does it ever seem like time is slipping through your fingers? Model the passing of time with an hourglass activity in which individuals determine whether hourglasses are the most efficient way to measure time.

Concepts

time, units of measurement, hours, guided inquiry

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Additional Tags

math

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Instructional Ideas

• Pair with a lesson on measurement tools
• Encourage small groups to perform the experiment in a science fair or competition
• Connect to an activity in which learners create other time-telling devices, such as sundials or small clocks

Classroom Considerations

• Requires enough materials for each small group

Pros

• Hands-on activity is engaging for all learning styles
• Connects to science standards

Cons

• None