Curated OER
Heavyweight Champion
Students identify what mass is and how to measure an object with a balance in gram units. Students identify weight and how to measure with a spring scale in units of force. Students compare the masses of two objects by placing each on...
SMART Technologies
Smart: May the Forces of Push and Pull Be With You!
Read, brainstorm, drag objects, erase to reveal answers, and move weights on a balance scale to learn about forces, mass, gravity, weight, and balance in this activity created by SMART.
PBS
Pbs Teachers: Submarine Race Experiment
Balance the force of gravity with the force of the expanding gasses created by mixing baking soda and vinegar. Create a soda bottle submarine that sinks to the bottom of the bathtub and then rises back to the surface.