Filters: Your search found 3 results.
Topics/Subjects:
Physical sciences  
Learning Time:
30 to 45 minutes  
Instructional Strategies:
Demonstrations  
Hands-on learning  
Materials Cost:
$1 - $5  
SMD Forum - Primary:
Earth Science  
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Learners will use an inexpensive, simple spectrophotometer to test how light at different visible wavelengths (blue, green, red) is transmitted, or absorbed, through four different colored water samples. Clear water is used as the “control,”... (View More)

In this demonstration activity, students make structural models of gas molecules using pipe cleaners and polystyrene balls and test their molecules for their resonant frequency. Students shake the models, count vibrations, and compare the resonance... (View More)

In this experiment, students create a "lava lamp" - a beaker on a hotplate, and investigate buoyancy, convection and other fluid and thermodynamic properties using ink, water, vegetable oil and Alka-Seltzer tablets. The activity is from PUMAS -... (View More)

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