Student Exploration Circuit Builder Build and Test

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•flName:Bruhath! SivalenkaDate:1Q/10/2020Student Exploration Circuit BuilderDirections: Follow the instructions to go through the simulation. Respond to the questions andprompts in the orange boxes.Vocabulary: circuit, closed circuit, conductor, current, electron, fuse, insulator, open circuit, parallel circuit,series circuit, short circuitPrior Knowledge Questions (Do these BEFORE using the Gizmo.)1.What do a light bulb, a toaster, a radio, and a computer all have in common?They are required to electrically function2.Suppose you connect a battery to a small light bulb with a single wire. What do you think will happen?Explain your answer.The lightbulb would not light up because it has to have two wires to connect from bothsides of the battery.Gizmo Warm-up: Build a circuit1.Using the Standard components in the upper left of the Gizmo, try to get a lightbulb to light up. You can drag as many bulbs, wires, batteries, switches and fusesas you like onto the circuit board.A circuit is a path containing easily moveable charges. When the light bulb lightsup, negatively-charged particles calledelectrons are flawing through the wire andbulb. This flow is called current.BatteryNow try to light the bulb with thesmallest number of components.3.Based on what you have seen, what must be true for a circuit to light a bulb?

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A battery or a source of electrons and conductive wiring to transfer, tfrie electrons are needed for acircuittolight a bulb.Activity A:ClosingacircuitGet the Gizmo ready:•Click Clear.•Turn on Show current and selectElectron flow.•Set up components as shown to the right.'l1• *1Introduction: Youshould have just built anopen circuit(shown above). The gap ontheleft prevents the flowof charges. There are no gaps in a closedcircuitso charges can flow.Question: What materials will close a circuit?1.Predict:Conductorsare materials with easily movable charges, allowing current to occur.Insulatorsdonot have easily movable charges, so current is not produced. Look at the nineMaterialsat lower left.Which do you think are conductions?Same question on the bottom did it thereWhich are insulators?same question on the bottom i did it thereA.Predicted conductors:Iron, silver, brass, copper, pencil leadB.Predicted insulators:Wood, plastic, yam,glassC. How could you use your open circuit to test if a material is a conductor or insulator?Once the material is connected to the open circuit, it should either light the bulb or haveno effect at all. if the bulb is lit. the material is conductive. On the other hand thematerial is an insulator, if it doesn't light up the bulb.2.Experiment: Drag each material into the gap of the open circuit. If the light bulb lights, the material is aconductor. If not, the material is an insulator. Keep track of your findings below.ConductorsInsulatorsSilverPlasticIronYamPencil LeadGlassCopperWoodBrass3.Analyze: Look at your list of conductors.A.What kind of material are most conductors?

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