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Topics/Subjects:
Algebra  
Instructional Strategies:
Generating and testing hypotheses  
Nonlinguistic representations  
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This is an activity about the Signal-to-Noise Ratio. Learners will engage with a hands-on activity and an online interactive to understand the terms signal and noise as they relate to spacecraft communication; quantify noise using a given dataset;... (View More)

Audience: Middle school
Materials Cost: Free

Learners will use balloons to construct a scale model of the Earth, Earth's Moon and Mars in relation to each other. They will use this model to predict distances and reflect on how scientists use models to construct explanations through the... (View More)

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