**ELECTRIC CIRCUITS**

**Select the correct term to complete the sentences.**

**ohm**

**closed circuit**

**resistance**

**ampere**

**switch**

**electric current**

**voltage**

**potentiometer**

**resistor**

**volt**

**conductor**

**electrical symbols**

**battery**

**Ohm’s law**

**open circuit**

**1. _____ is what flows and carries power in a circuit.**

**2. _____ are used when drawing circuit diagrams.**

**3. A _____ is used to create a break in a circuit.**

**4. A(n) _____ has a break it, so there is no current.**

**5. A _____ has a complete path for the current and contains no breaks.**

**6. A light bulb, motor, or speaker acts as a _____ in a circuit.**

**7. The unit for current is the _____.**

**8. A _____ provides voltage to a circuit.**

**9. _____ is the difference in the amount of energy carried by current at**

**two points in a circuit.**

**10. The _____ is the unit for measuring voltage.**

**11. The _____ is the unit for measuring resistance.**

**12. _____ explains the relationship between current, voltage, and**

**resistance in a circuit.**

**13. _____ is the measure of how strongly a material resists current.**

**14. A _____ has a resistance that can be changed.**

**15. Wires in a circuit are made of a material that is a _____, such as**

**copper.**