Rearrange the letters to find the electric connection and match it to the pictures below.

1.____italic cruiser ______________ 2.____Critics Hour ______________

3.____cilia recruits ______________ 4._ ___ Iconic Erupt ______________

5.____ serial circuit ______________

A B C D E

Complete the sentences below with a correct word.

battery bulb circuit fuse mains motor plug speaker switch wire

1. A ____________ changes electricity into light. 2. A ____________ changes electricity into sound. 3. A ____________ changes electricity into movement. 4. You put a ____________ in a socket. 5. A ____________ provides electricity for things that move around. 6. If the ____________ is broken the electrical device will not work. 7. Electricity travels through ____________. 8. A ____________ is used to turn a circuit on or off. 9. The circuit that takes electricity in and around your home is called the ____________. 10. A ____________ breaks a circuit if too much electricity tries to go through.

11. A circuit in which all charge follows a single pathway is a ____ circuit; a circuit in which charge follows multiple pathways is a ____ circuit.

a. series, parallel b. parallel, series

12. For a parallel circuit: as the number of resistors being used within the same parallel circuit increases, the overall resistance value _____________________________ (increases, decreases) and the overall current value _____________________________ (increases, decreases).

13. Household circuits are connected in parallel so that _____. Select all that apply.

a. houses get the same effect with less current and thus save on energy costs

b. the turning off of one appliance does not result in the shutdown of others

c. the hazard of electrocution and overheating of circuits is avoided

5. Complete the 1^st column with appropriate words to indicate the way in which series and parallel circuits differ.

	Series Circuit	Parallel Circuit
a.The pathway by which charge loops around the circuit is characterized by __________ pathway(s).
b. If one light bulb goes out, the other light bulbs _________.
c. As the number of resistors is increased, the overall current ______.
d. As the number of resistors is increased, the overall resistance ______.

When testing circuits, engineers often use pictures called circuit diagrams. Circuit diagrams are used to illustrate the pathways through which electricity can flow. The following symbols are used in circuit diagrams to represent various circuit components shown.

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