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DOS WEEK OF NOV. 26-30

DOS WEEK OF NOV. 26-30. DOS Monday 1 . What is the purpose of a switch in an electric circuit? A. To allow the circuit to be opened or closed. B. To increase the power of the bulb. C. To change the direction of the current. D. To provide a “push” for the electrons.

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DOS WEEK OF NOV. 26-30

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  1. DOSWEEK OFNOV. 26-30

  2. DOS Monday1. What is the purpose of a switch in an electric circuit?A. To allow the circuit to be opened or closed.B. To increase the power of the bulb.C. To change the direction of the current.D. To provide a “push” for the electrons.

  3. DOS Monday2. What causes an electric force?A. a push or pull between objects.B. Objects with no electric charge.C. Positive objects.D. rubbing.

  4. DOS Monday3. Copper is to conductor asA. a magnet is to an electromagnet.B. Charge is to static electricity.C. Switch is to circuit.D. Plastic is to insulator.

  5. DOS Tuesday1. A switch is inserted into a series circuit of Christmas lights. During the night, the switch is left open. Then the lights will _______.*continue to burn *be turned off*become a parallel circuit*burn brighter

  6. DOS Tuesday2. The electricity that flows using a flow of electrons is ________.A. Static electricityB. Current electricityC. Short circuit.D. An insulator.

  7. DOS Tuesday3. In most electrical circuits, the pathway is made of ____.rplasticrwoodrstaticrmetal

  8. DOS Wednesday1. When you take the battery out of a flashlight, what have you done?A. Closed the switchB. opened the switchC. removed a resistorD. both b and C

  9. DOS Wednesday2. Which of the following is not powered by electricity?a television a microwavea digital camera all of these are powered by electricity

  10. DOS Wednesday3Which piece of a microscope magnifies the object you are looking at?A. The light sourceb. The adjustment knobc. The nosepieced. The objective

  11. DOS Thursday1. Which of the following is NOT a physical change?Melting pointcolorodorflammability

  12. DOS Thursday2. What must be moving for an electrical circuit to flow?Water moleculesmetal atomselectronsmagnetic particles

  13. DOS Thursday3. What is the smallest sample of water a scientist can see with a powerful microscope?A teaspoona pinta millilitera molecule

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