$100 Circuits Electro Magnets Vocab Magnetic Or NOT? $200 $300 $400 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 Brought to you by: Mrs. Nastasi

1 - $100 What has to happen in order for a bulb to light? What has to happen in order for a bulb to light? A: Two wires connected on each side of a D-Cell is connected to a bulb. A: Two wires connected on each side of a D-Cell is connected to a bulb. B: A wire from a D-Cell is connected to a bulb. B: A wire from a D-Cell is connected to a bulb. C: Two wires on one side of a D-Cell is connected to a bulb. C: Two wires on one side of a D-Cell is connected to a bulb. A

1 - $200 In a complete circuit, the D-Cell In a complete circuit, the D-Cell A: Is the pathway for electricity A: Is the pathway for electricity B: Gives power to the circuit B: Gives power to the circuit C: Takes away power from the circuit. C: Takes away power from the circuit. B. B.

1 - $300 What is the role of a switch in a circuit? What is the role of a switch in a circuit? A: Turns the circuit left and right. A: Turns the circuit left and right. B: Switches the flow of protons in the circuit. B: Switches the flow of protons in the circuit. C: Opens and closes the circuit. C: Opens and closes the circuit. C

1 - $400 How do D-Cells need to be arranged in order for a circuit to work? How do D-Cells need to be arranged in order for a circuit to work? A: Negative to negative A: Negative to negative B: Negative to positive B: Negative to positive C: Positive to positive. C: Positive to positive. B

1 - $500 How many pathways does a parallel circuit have to flow? How many pathways does a parallel circuit have to flow? A: one A: one B: two B: two C: 3 C: 3 B

2 - $100 How can you make an electromagnet stronger? How can you make an electromagnet stronger? A: Wind the wire more times on a rivet A: Wind the wire more times on a rivet B: Use a thinner wire B: Use a thinner wire C: Use a thicker wire C: Use a thicker wire A

2 - $200 Which one of these DON’T you need to build an electromagnet? Which one of these DON’T you need to build an electromagnet? A: a magnet A: a magnet B: a wire B: a wire C: a rivet C: a rivet A

2 - $300 What is a rivet? What is a rivet? A: An iron object that can be magnetized A: An iron object that can be magnetized B: A body of water. B: A body of water. C: A component that gives power to an electromagnet. C: A component that gives power to an electromagnet. A

2 - $400 What materials are needed to build an electromagnet? What materials are needed to build an electromagnet? A: a rivet, wire, and motor A: a rivet, wire, and motor B: a rivet, wire, and D-Cell B: a rivet, wire, and D-Cell C: a rivet, wire, and magnet C: a rivet, wire, and magnet B

2 - $500 Electromagnets are an example of Electromagnets are an example of A: induced electricity A: induced electricity B: induced conductors B: induced conductors C: induced magnetism C: induced magnetism C

3 - $100 A paper clip stuck to a permanent magnet was able to pick up a small washer. The nail could pick up the washer because… A paper clip stuck to a permanent magnet was able to pick up a small washer. The nail could pick up the washer because… A: the nail was a magnet A: the nail was a magnet B: nails and washers are made of iron B: nails and washers are made of iron C: the nail was experiencing induced magnetism. C: the nail was experiencing induced magnetism. C. C.

3 - $200 A magnet attracted a nail even when a pack of post-its was placed in between it. Then, when someone tried to put a small sponge between the magnet and nail, the nail fell. Why? A magnet attracted a nail even when a pack of post-its was placed in between it. Then, when someone tried to put a small sponge between the magnet and nail, the nail fell. Why? A: Magnetism can travel through paper and not sponges. A: Magnetism can travel through paper and not sponges. B: The sponge soaked up the magnetism. B: The sponge soaked up the magnetism. C: The distance between the magnet and nail was too far: it was out of the magnet’s field. C: The distance between the magnet and nail was too far: it was out of the magnet’s field. C

3 - $300 Which object is NOT magnetic? Which object is NOT magnetic? A: Screw A: Screw B: Paperclip B: Paperclip C: Aluminum Foil C: Aluminum Foil C

3 - $400 Which material is magnetic? Which material is magnetic? A: Magnetite A: Magnetite B: Aluminum Foil B: Aluminum Foil C: Plastic C: Plastic A

3 - $500 An object is magnetic if it contains: An object is magnetic if it contains: A: Iron or Copper A: Iron or Copper B: Aluminum or Metal B: Aluminum or Metal C: Iron or steel. C: Iron or steel. C

4 - $100 Insulators Insulators A: a component that turns a circuit on and off. A: a component that turns a circuit on and off. B: Keeps a circuit warm B: Keeps a circuit warm C: A material that does not allow electricity to flow. C: A material that does not allow electricity to flow. C

4 - $200 C An open circuit is An open circuit is A: one that allows electricity to flow A: one that allows electricity to flow B: one that allows electricity to grow B: one that allows electricity to grow C: one that electricity does not flow. C: one that electricity does not flow.

4 - $300 A series circuit is A series circuit is A: One that has only one pathway that electricity can flow. A: One that has only one pathway that electricity can flow. B: One that has multiple pathways that electricity can flow. B: One that has multiple pathways that electricity can flow. C: A circuit with no sense of humor. C: A circuit with no sense of humor. A

4 - $400 A conductor is A conductor is A: A material that electricity runs to. A: A material that electricity runs to. B: A material that stops electricity. B: A material that stops electricity. C: A material that electricity runs through. C: A material that electricity runs through. C. C.

4 - $500 Electromagnet Electromagnet A: When a magnetic field is induced by an electric current. A: When a magnetic field is induced by an electric current. B: When an electric field is induced by a magnetic current. B: When an electric field is induced by a magnetic current. C: When a baseball field is produced by a magnetic current. C: When a baseball field is produced by a magnetic current. A

5 - $100 Rubber band Rubber band A: Magnetic A: Magnetic B: Not B: Not B

5 - $200 Screw Screw A: Magnetic A: Magnetic B: Not B: Not A

5 - $300 Aluminum Foil Aluminum Foil A: Magnetic A: Magnetic B: Not B: Not B

5 - $400 Magnetite Magnetite A: Magnetic A: Magnetic B: Not B: Not A

5 - $500 What sticks to a magnet, but does not conduct electricity? What sticks to a magnet, but does not conduct electricity? A: Magnetite A: Magnetite B: Cardboard B: Cardboard C: Aluminum Foil C: Aluminum Foil A

Final Jeopardy You have three magnets and a variety of objects. You have three magnets and a variety of objects. How could you tell which magnet is the strongest? How could you tell which magnet is the strongest? Answers will vary! Answers will vary!