Demonstrate acceleration due to gravity with objects of different horizontal speeds falling at the same rate and to determine whether mass affects the speed at which things fall.
These activities create an opportunity for students to create experiments that explain acceleration and motion.
3. A: Measuring Motion
3. B: Inertia
2. A: Energy Transfer
Process Skills Checklist
For each group of students:
- two marbles of the same size but different colors
- two larger marbles of the same size
- ruler with a groove down the middle
- two books
- three identical rubber balls
- student worksheet
Common sense precautions; marbles may be harmful if swallowed.