Assessments - 2, GPA: 4.5 ( )

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Project #3 Touch Space Battle Use the same circuit as for project #1 but replace the press switch (S2) with the photoresistor (RP) and turn on the slide switch (S1). The photoresistor contains material that changes its resistance when it is exposed to light, as it gets more light, the resistance of the photoresistor decreases. Parts like this are used in a number of ways that affect our lives. For example, you may have streetlights in your neighborhood that turn on when it starts getting dark and turn off when it is light. Find a piece of white paper that has a lot of large black or dark areas on it, and slowly slide it over the photoresistor (RP). You should hear the sound pattern constantly changing, as the white and dark areas of the paper control the light to the photosensitive resistance. You can also try the pattern below or something similar to it: Project #4 Photo Space Battle BATTERIES: Use only 1.5V AA type (not included). Insert batteries with correct polarity. Non-rechargeable batteries should not be recharged. Rechargeable batteries should only be charged under adult supervision, and should not be recharged while in the product. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries. Remove batteries when they are used up. Do not short circuit the battery terminals. Never throw batteries in a fire or attempt to open its outer casing. Batteries are harmful if swallowed, so keep away from small children. Important: If any parts are missing or damaged, DO NOT RETURN TO RETAILER. Call toll-free (800) 533-2441 or e-mail us at: help@elenco.com. Customer Service • 150 Carpenter Ave. • Wheeling, IL 60090 U.S.A. You may order additional / replacement parts at our web site: Qty. ID Name Part # ..1 Base grid 6SCBGM ..1 2 2-snap wire 6SC02 ..2 3 3-snap wire 6SC03 ..2 4 4-snap wire 6SC04 ..1 B1 Battery holder 6SCB1 ..1 RP Photoresistor 6SCRP ..1 S1 Slide switch 6SCS1 ..1 S2 Press switch 6SCS2 ..1 SP Speaker 6SCSP ..1 U3 Space war IC 6SCU3 OTHER SNAP CIRCUITS PRODUCTS! FM Radio Model SCP-02 Motion Detector Model SCP-03 Music Box Model SCP-04 Flying Saucer Model SCP-06 PARTS LIST Contact Elenco® to find out where you can purchase these products. Snap Circuits Jr. Model SC-100 Build over 100 projects, contains over 30 parts. Snap Circuits Model SC-300 Build over 300 projects, contains over 60 parts. Snap Circuits Pro Model SC-500 Build over 500 projects, contains over 75 parts. Snap Circuits Extreme Model SC-750 Build over 750 projects, contains over 80 parts, and PC interface included. Musical Recorder Model SCP-01 BATTERIES: Use only 1.5V AA type (not included). Insert batteries with correct polarity. Non-rechargeable batteries should not be recharged. Rechargeable batteries should only be charged under adult supervision, and should not be recharged while in the product. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries. Remove batteries when they are used ...

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