Did+You+Hear+That


 * REMEMBER:** A robot must ** sense ** its environment, have a **plan** of how to react to its environment, and **act**.

=Did You Hear That?=

The possibility of alien life forms present on NXTopia is quite high. NASA is concerned that they might be hiding and that the robot will not see them unless it can hear them approaching. Build a robot that can react to loud sounds.
 * Overview: **

1. Build and attach a sound sensor. 2. Click View 3. Scroll right and click Sound dB 4. Scroll right and click Port 2 (this is the port where the sound sensor should be attached) 5. Record the reading when you make a clapping sound. Write this on worksheet 9. 6. What is the reading when it is completely silent? Write this on worksheet 9.




 * Activity 1 **
 * 1) Drive forward until you hear a sound and then stop for 2 seconds.
 * 2) Turn around slowly for 360 degrees (Hint: Your robot should turn around for 360 degrees, not the wheels)


 * Activity 2 **
 * 1) Drive forward until you hear a loud sound.
 * 2) Turn around slowly until you see an object within 30cm (12 inches)
 * 3) When you see your alien, stop and say "hello"