What I have learned Self-Test 3 A Directions. Choose the best answer for each question Write the letter in your Science Notebook CIENCE Circuit A Circuit B 1. What supplies energy in an electric circuit? A a conductor B. a battery C. light bulb D. a wire 2 Which material is a conductor? A copper B. glass C plastic D. paper 3. Which item is a resistor in Circuit B? A screws B. battery C. wire D. light bulb 4. Why did the person who made Circuit A probably connect the wire to a coin? A They were testing to see if the coin conducts electricity B. They used the coin to supply extra power C. The coin will prevent sparkles. D. They needed to use a coin to make the bulb light as a resistor in a circuit?
