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In this on site "field trip" activity (located on pages 6-9 of PDF), learners get hands-on experience identifying building materials by playing "Building Bingo".
Sink or Float
In this activity, learners explore and compare the buoyant properties of materials found in nature and in human-made materials.
Hanford at the Half-Life Radiation Calculator
This quiz lets you estimate your annual radiation exposure.
Life in the Sidewalk Cracks
In this activity, learners compare plant and animal life in different habitats including a sidewalk crack and lawn. Learners sort human-made materials and natural materials found in each habitat.
Dye Like A Natural
In this activity, learners stain fabrics--on purpose!