1. NAME ________________________________DATE __________________ Multiple Choice 1.The buildup of electrical charge on a material is ______. a. current electricity b. magnetic field c. static electricity d. circuit electricity 2.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 3.The pull of a magnet is strongest at its____ a. poles b. middle c. center d. corners 4.A complete path that electricity can move through is a(n) ________. a. insulator b. conductor c. field d. circuit 5.A region of magnetic force surrounding a magnet is called the ___________. a. magnetism b. magnetic field c. static field d. lodestone 6.Magnetic rock is also know as ______ a. magnesium b. lodemagnet c. lodestone d. magnestone 7.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 8.A magnet created using an electric current is called a(n) ____________. a. horseshoe magnet b. electric magnet c. bar magnet c. electromagnet 9.A material through which electricity does not flow is a(n) __________. a. insulator b. conductor c. circuit d. current electricity 10.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 12.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 15.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. 3 WAYS TO MAKE AN ELECTROMAGNET STRONGER 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. 23. Explain what will happen when you push these 2 magnets together. ____________________________________ ____________________________________ 24. Circle all of the items that would attract to a magnet. 25.Compare and contrast a permanent magnet and an electromagnet. ____________________________________________________________________________ ____________________________________________________________________________ 26.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?_______________________________________________ ___________________________________________________ ___________________________________________________ ____