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Mystery Boxes for Grades 3-5
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Learners manipulate opaque, sealed boxes and attempt to determine their interior structures. Each box contains a moving ball and one or more fixed barriers.
Counting Your Lucky Stars
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In this activity, learners sample a star field to estimate the number of stars in the universe.
Fossil Age Estimation Model
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In this activity (page 1 of the PDF under SciGirls Activity: Dinosaurs), learners will model how paleontologists estimate the age of fossil discoveries by extracting “fossil” playing cards from newspa
Number Patterns
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In this lesson, learners are challenged to discover the relationship among six numbers.
Exploring Bouncing Balls
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Learners explore the physical properties of a variety of balls and how they bounce.