Speed Fans

ACTIVITY HEADER

 

 

 

Name of Activity

Speed Fans

Author

STOMP

Keywords

fan, LEGO, speed, touch sensor, programming, 1 Hour Total, 4-6

Subject

NXTs

Grade Level

4, 5, 6

Time

1 Hour Total

Brief Description

The activity involves building a fan out of LEGOs and creating a MINDSTORMS program that will change the speed of the fan every time the touch sensor is pressed.

Lesson Objectives:

Gain basic understanding of programming with MINDSTORMS.

Materials Needed:

NXT Kits/ RCX Kits.

Computers with MINDSTORMS or ROBOLAB installed.

Necessary Background

Knowledge of programming with MINDSTORMS.

Vocabulary:

Touch sensor

Power Levels

Procedure

1) Explain the basics of programming. 2) Distribute the kits and explain the task ( i.e. to build a fan that changes speed when the touch sensor is pressed) 3) Have the students build a fan out of LEGOs in their kits. 4) Let the students try to figure out how to program the fan on their own. If they need help explain to them how the power level of the motor can be changed every time the touch sensor is pressed thus changing the speed of the fan.

Extensions:

Program the fan using loops.

Use the activity to talk about air flow.

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