1. Multiple Choice: Write the letter inyour answer sheet.

2. The smallest part of something is __________________.A. a nucleus B. a protonC. an electronD. an atom 3. You need electricity to do manythings, but you do not need it to:A. Watch TVB. Start a carC. Read a book D. Surf the internet 4. This part of the atom has no chargeand is part of the nucleus:A. NucleusB. ProtonsC. ElectronsD. Neutrons 5. Negatively charge particles of an atom is a _______________. A. Nucleus B. Protons C. Electrons D. Neutrons 6. This part of the atom is part of thenucleus and it has a positivecharge:A. NucleusB. ProtonsC. ElectronsD. Neutrons 7. This part of the atom is very smalland moves around outside thenucleus:A. NucleusB. ProtonsC. ElectronsD. Neutrons 8. Objects that have like charges :A. RepelB. AttractC. MagnetizeD. Stay together 9. Objects with unlike charge :A. Repel B. AttractC. BreakD. Stay away together 10. Objects that have no charge areattracted to:a. objects with no chargeb . only objects with a positive chargec. all charged objects 11. The path the electrons flow through is the:A. CircuitB. batteryC. Electrical current d. wires 12. One source of electricity you can use to power a flashlight is made by a : a. generator b. battery c. atomd. current 13. It is the flow of moving electrons.A. Electronics B. ElectronsC. Electricity D. Current 14. 13. The electrons movefrom_______to_______ terminal.A. + to -B. to -C. to +D. + to + 15. 14. A material allowing the flow ofelectric currentA. ConductorB. InsulatorC. ConnectorD. Wire 16. 15. Connecting a short metal wirebetween the terminals of thebattery.A. Open CircuitB. Close CircuitC. Short Circuit D. Bad Circuit 17. 16.A. Open CircuitB. Close CircuitC. Short Circuit D. Bad Circuit 18. 17.A. Open CircuitB. Close CircuitC. Short Circuit D. Bad Circuit 19. 18. This is made possible when aconductor, such as coil of wirerotates in a magnetic field.A. ElectromagnetismB. FrictionC. PhotoelectricD. Chemical action 20. 19. Certain materials are rubbedagainst each other to producecharges.A. ElectromagnetismB. FrictionC. PhotoelectricD. Chemical action 21. 20. Certain materials emit theirelectrons when they are exposedto light under right conditions.A. ElectromagnetismB. FrictionC. PhotoelectricD. Chemical action 22. 21. There is a breaking up of atomicstructure of some elements, thusreleasing a great amount of energy.A. Piezo-electricB. PhotoelectricC. Nuclear MethodD. Thermoelectric 23. 22. Uses certain materials, whichwhen made to vibrate, producevoltage.A. Piezo-electricB. PhotoelectricC. Nuclear MethodD. Thermoelectric 24. 23. This method utilizesmaterials that release electronswhen heated enough.A. Piezo-electricB. PhotoelectricC. Nuclear MethodD. Thermoelectric 25. 24. An object that attracts metalssuch as iron and steel.a. Magnetb. magnetic fieldc. Poled. attract 26. 25. The space around a magnet inwhich a magnetic force can befound.a. Magnetb. magnetic fieldc. Poled. attract 27. 26. The end of a magnet.a. Magnetb. magnetic fieldc. Poled. attract 28. 27. To pull toward one another, asopposite poles of two magnets pulltoward one another.a. Magnetb. magnetic fieldc. Poled. attract 29. 28. A form of the mineral magnetizethat is naturally magnetic or hasbecome magnetized.a. Lodestoneb. Compassc. magnetic fieldd. pole 30. 29. An instrument that uses afreely moving magnetic needle toindicate direction.a. Lodestoneb. Compassc. magnetic fieldd. pole 31. 30. A piece of iron that becomes atemporary magnet when electricityflows through an insulted wirewrapped around it.a. Lodestoneb. Compassc. magnetic fieldd. electromagnet 32. Test 2a. Give the steps in making the electromagnet (5 points)1.2.3.4.5.b. Draw the electromagnet project(5 points).