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Pea Brain!: Explorations in Estimation
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In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.
Personal Time Line
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In this activity, learners work in groups to create a time line representing significant moments in their lives.
The Search for Secret Agents
Learners tour their school or home looking for sources of indoor air pollutants (IAPs).
Shark Sizes
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In this graphing exercise (page 2 of the pdf), learners compare their own height to the length of various sharks.
Modeling Limits to Cell Size
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This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.
Atmosphere Composition Model
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In this activity, learners create a model using metric measuring tapes and atmosphere composition data.
Avogadro's Bubbly Adventure
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In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.