Introductory Presentation

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Presentation transcript:

Introductory Presentation Get In Gear Introductory Presentation

Opening Activity Describe to a partner what “speed” is. Give a verbal definition, any equations you know, and examples of different speeds.

Opening Activity Speed is the rate of movement of an object. In other words speed can be how FAST or SLOW your robot is moving. START FINISH

What affects the speed of your robot? Discussion Questions What affects the speed of your robot? 1. The motor power level can change the speed of your robot 2. The gearing can change the speed and strength of your robot

Review: Power Level The power level can be found in the lower left corner of the Motor block’s configuration panel.

Review: Power Level The default power level for the NXT is 75 percent. You can change the power level by using the slider bar or by typing in a number.

Are Taskbot’s wheels directly attached to its motors? Review: Gears Are Taskbot’s wheels directly attached to its motors?

Review: Gears Taskbot’s wheels do not attach directly to the its motors. There is a system of gears that connect them. 1. Motor 1. Motor 2. Connecting gears 2. Connecting gears 3. Wheel 3. Wheel

Review: Gears We name the gears to keep information organized: The Driving Gear is connected to the motor The Driven Gear is connected to the wheel

Grab a motor, some gears, and a wheel and try it yourself! Review: Gears With our gears named, can you explain the 6 steps to get a wheel to move on your robot? Step 1: the motor spins Step 2: the axle through the motor spins Step 3: the driving gear rotates Step 4: the driving gear spins the driven gear Step 5: the driven gear spins the axle attached to the wheel Step 6: the wheel spins Grab a motor, some gears, and a wheel and try it yourself!

Review: Gears Before moving on to the Get in Gear Activity, think about the following: What would happen if you made your driving gear bigger and your driven gear smaller? 2. What would happen if you made your driven gear bigger and your driving gear smaller?

Good Luck! Now you have the necessary knowledge to get started in the Get In Gear Activity.