Sample Event - North Carolina Science Olympiad

North Carolina Science Olympiad Elementary Division 2010Short CircuitsSTATION 1Look at the sample circuit shown here.1. Identify which part is the energy conductor?a. Battery Packb. Motorc. Wiresd. Wooden Spool2. Identify which part is the energy source?a. Battery Packb. Motorc. Wiresd. All of the above3. Identify which part is the energy receiver?a. Battery Packb. Motorc. Wiresd. All of the above4. This circuit is:a. Closedb. Open(NCSCoS S4.3.03)

North Carolina Science Olympiad Elementary Division 2010Short CircuitsSTATION 2You will need a balloon and some Styrofoam peanuts.1. When you rub this balloon on your head, it creates:a. Electricityb. Staticc. Tiny lightning boltsd. All of the above2. Rub the balloon on your head or shirt. Now hold it over theStyrofoam peanuts. What happens?3. Keep holding the balloon. After a few moments, what happens?4. Why did this happen?a. The peanuts got tired of holding onb. The peanuts are too greasyc. The static electricity dischargedd. The balloon is too light(NCSCoS 4.3.09)

North Carolina Science Olympiad Elementary Division 2010Short CircuitsSTATION 41. Draw the wires to make this battery pack wired in series (on youranswer sheet, not this sheet!) What is the total voltage?1.5 volts 1.5 volts 1.5 volts2. Draw the wires to make this battery pack wired in parallel (onyour answer sheet, not this sheet!) What is the total voltage?1.5 volts 1.5 volts 1.5 volts(NCSCoS 4.3.07)

North Carolina Science Olympiad Elementary Division 2010Short CircuitsSTATION 6Place the alligator clips in solution 1. Do not let the alligator clips touch.1. What happens?a. The light turns onb. It makes a soundc. It sparksd. Nothing2. The liquid has become a part of your circuit. Does this mean it is a:a. Conductorb. NonconductorPlace the alligator clips in solution 2. Do not let the alligator clips touch.3. What happens?a. The light turns onb. It makes a soundc. It sparksd. Nothing4. The liquid has become a part of your circuit. Does this mean it is a:a. Conductorb. Nonconductor(NCSCoS 4.3.06)

North Carolina Science Olympiad Elementary Division 2010Short CircuitsSTATION 7Connect the wire ends to the battery leads. Try to pick up theball by touching it to the head of the nail. Unhook the wirewhen you are done.Fill in the blank:An ___(1)____ is a type of ___(2)____ in which the magnetic____(3)____ is produced by the flow of electric ___(4)___. Themagnetic field disappears when the current ____(5)____.Word Bank:CurrentElectromagnetFieldMagnetStops(NCSCoS 4.3.04, 4.3.08)

North Carolina Science Olympiad Elementary Division 2010Short CircuitsSTATION 8Matching:1. Conductor2. Receiver3. Volt4. Electricitya. A form of energy causedby particles that carry achargeb. Measures electric potentialc. A material that allows theflow of electric current.d. A material that acceptselectricity and converts itinto something.(NCSCoS 4.3.07)

North Carolina Science Olympiad Elementary Division 2010Short CircuitsSTATION 9Identify (You will use the letters more than once, choose all that apply):1. Base2. Conductor3. Filament4. Resistor5. Bulb6. Insulator(NCSCoS 4.3.05)

North Carolina Science Olympiad Elementary Division 2010Short CircuitsSTATION 10Use the multimeter to identify if the following items conduct or not:C = Conductor N = Nonconductor1. Iron Nail _____2. Steel Ball Bearing _____3. Sand _____4. Styrofoam cup ______5. Metal Scissors _____(NCSCoS 4.3.06)

North Carolina Science Olympiad Elementary Division 2010Short Circuits2010 Short CircuitsNCSO Sample Event- Student Response SheetNames: _____________________________ , ______________________________School: ____________________________________________________________Station 1:Station 5:1. __________2. __________3. __________4. __________1.2.3.4.________________________________________5. __________Station 2:1. __________2. _______________________________3. _______________________________4. __________Station 3:1. __________2. __________Station 4:Station 6:1. __________2. __________3. __________4. __________Station 7:1. __________2. __________3. __________4. __________5. __________1. __________2. __________Station 8:1. __________2. __________3. __________4. __________Station 9:1. __________2. __________3. __________4. __________5. __________6. __________Station 10:1. __________2. __________3. __________4. __________5. __________

Station 1:1. ____C______2. ____A______3. ____B______4. ____A______Station 2:1. ____D______2. ___THEY STICK____________3. ___THEY FALL_____________4. ____C______Station 3:1. __IT CAUSED A SHORT CIRCUIT___2. _____A, B_____Station 4:North Carolina Science Olympiad Elementary Division 2010Short Circuits2010 Short CircuitsNCSO Sample Event- Student Response SheetANSWER KEYStation 5:1. ____B______2. ____E______3. ____B______4. ____C______5. ____A______Station 6:1. ____A______2. ____A______3. ____D______4. ____B______Station 7:1. ____ELECTROMAGNET______2. ____MAGNET______3. ____FIELD______4. ____CURRENT______5. ____STOPS______1. ___4.5 VOLTS______2. ____1.5 VOLTS______Station 8:1. ____C______2. ____D______3. ____B______4. ____A______Station 9:1. ____D______2. ____D,C____3. ____B______4. ____B______5. ____A______6. ____A______Station 10:1. ____C______2. ____C______3. ____N______4. ____N______5. ____C______