NAME ________________________________ DATE __________________

1. NAME ________________________________ DATE __________________ Electricity and Magnetism • Multiple Choice • The buildup of electrical charge on a material is ______. • a. current electricity • b. magnetic field • c. static electricity • d. circuit electricity • Two objects connected to a cell in a single path make up a(n) _______. • a. magnetic circuit • b. series circuit • c. parallel circuit • d. static circuit • The pull of a magnet is strongest at its____ • a. poles • b. middle • c. center • d. corners • A complete path that electricity can move through is a(n) ________. • a. insulator • b. conductor • c. field • d. circuit • A region of magnetic force surrounding a magnet is called the ___________. • a. magnetism • b. magnetic field • c. static field • d. lodestone • Magnetic rock is also know as ______ • a. magnesium • b. lodemagnet • c. lodestone • d. magnestone • Two objects connected to a cell in two or more paths make up a __________ • a. magnetic circuit • b. series circuit • c. parallel circuit • d. static circuit • A magnet created using an electric current is called a(n) ____________. • a. horseshoe magnet • b. electric magnet • c. bar magnet • c. electromagnet • A material through which electricity does not flow is a(n) __________. • a. insulator • b. conductor • c. circuit • d. current electricity • The electricity that flows through a circuit is called ______________. • a. static electricity • b. current electricity • c. parallel electricity • d. series electricity

2. 11. A material through which electricity easily flows is a(n) __________. • a. insulator • b. conductor • c. circuit • d. magnet • These circuits allow the continuous flow of electrical energy. • a. open circuits • b. conductor circuits • c. thermal circuits • d. closed circuits • 13. All of the following are part of an atom except __________. • a. electrons • b. photons • c. neutrons • d. protons • 14. These circuits prevent the flow of electrical energy. • a. open circuits • b. series circuits • c. parallel circuits • d. closed circuits • Circle all of the items below that could be used to close this circuit and allow electricity to flow. 16 – 19. Write YES on the line if the circuit will light and NO if it won’t light. 20. What kind of electric circuit is this figure? ___________________________ 21. Explain what would happen if one of the light bulbs were removed. __________________________________________________________________________________________________________________________________________________________________________________________

3. 22. Fill in the chart with 3 ways to make an electromagnet stronger. A. Increase the battery strength B. Add water to the base C. Add 2 switches D. Increase the number of coils wrapped around the iron rod E. Insert an iron rod down the center. 24. Circle all of the items that would attract to a magnet. 23. Explain what will happen when you push these 2 magnets together. ________________________________________________________________________________________________________________________________________________ • Compare and contrast a permanent magnet and an electromagnet. • ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ • This girl is rubbing the balloon on her hair and now her hair is sticking to the balloon. Explain why this happened. • ____________________________________________________________________________________________________________________________________________________________________________________________________________ • 27. What would happen if she placed the balloon next to a wall and why?_________________________________________________________________________________________________________________________________________________________