Unit 5 Design and Mechanics
Introduction to Gears
Gears and Speed
Conversion of Units
Conversion of units
Reading Diagrams and Following Directions
Prepare examples of common mechanisms that use gears.
Prepare a demonstration of the various gears use in Lego kits.
Demonstrate how to calculate the gear ratios and predict mechanical advantage.
Provide inquiry based activities that allow students to explore gear ratios and mechanical advantage.
Participate in a teacher led discussion on:
Spur gears, bevel gears, and worm gears
How gears change speed and distance
Calculating Gear ratios
Observe a demonstration of changing speeds using gears.
List at least 20 common items that use gears
Change speeds on Tankbot using gears.
Laboratory investigations on how changing gear ratios on Tankbot changes speed and distance.
Teacher developed worksheet on Gears and Gear Ratios
Teacher developed worksheet on Gears and Speed