Mar 22, 2019 | Lessons, Speed, Variable, Velocity
Momentum Bashing 2 AboutStudentsVocabularyTeachers Use ruler ramps to explore how speed affects a marble's "bashing power." Key Questions How does changing an object's velocity change its momentum or "bashing power?" What determines if one car has more momentum than...
Mar 22, 2019 | Energy, Lessons, Momentum
Conservation: It’s the Law! AboutStudentsVocabularyTeachers Use marbles and foam pipe insulation "track" to explore where energy "goes" during a collision. Key Questions How does the momentum of objects change before and after a collision? Where does the energy...
Mar 22, 2019 | Gravity, Lessons, Nervous System, Reaction Time, Speed
Think Fast, Act Fast AboutStudentsVocabularyTeachers Practice catching rulers to calculate reaction time and how far a car travels during a given reaction time. Key Questions How fast is your reaction time? How far can a vehicle travel during your reaction...
Mar 22, 2019 | Creep, Critical Stress Limit, Lessons, Strain, Strain Rate, Stress, Viscoelastic
Stressing Silly Putty AboutStudentsVocabularyTeachers Conduct stretch-tests on homemade silly putty to explore how engineers design more realistic crash test dummies. Key Questions How do crash forces apply stress to human tissue? How can stress-testing materials...
Mar 22, 2019 | Crashworthiness, Impulse, Lessons, Momentum
Paper Car Crash! AboutStudentsVocabularyTeachers As a culminating activity option, design, build, and crash an egg-carrying paper car to determine the most crashworthy design. Key Questions Is it possible to build a car frame and body from paper and glue that is...
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