4th Grade Energy & Magnetism Science Test
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4th Grade AIMS Energy & Magnetism Science Test Practice Instructions: Choose the best answer for each question.
1. to cause people or animals to want to be near.
2. a longitudinal pressure wave in an elastic medium such as air, especially one that is in an audible range.
3. power, energy, or physical strength.
4. the form of energy that you feel as warmth.
5. the start or place the electricity is generated.
6. electricity held or discharged by an insulated body.
7. a device that uses electrical energy and changes them into something that can be seen, heard, or used. Televisions, telephones, and radios all work by using electricity.
8. natural electricity produced in clouds and appearing as a bright flash of light in the sky.
9. a device that makes electricity by using chemical reactions. __________ give power to many things, including cars, toys, and watches.
10. the form of energy that makes it possible for the eye to see. The sun produces __________.
11. a part of an electric circuit that provides resistance to some of the current.
12. the power of a magnet to attract.
13. the amount of sound.
14. a material or device that does not conduct electricity, such as an object of glass or porcelain, that is used to insulate and support electric wires.
15. the ability to have force or power or to do work. There are many kinds of __________ such as physical, electrical, nuclear, or chemical.
16. the complete path followed by an electric current.
17. to push back or force back. Positive & positive magnetic fields and negative & negative magnetic fields __________.
18. a kind of energy that is used for light and heat and for making things operate.
19. an electric current that flows in one direction.
20. energy resulting from motion.
21. an iron or steel core with wire wound around it. It becomes magnetic when an electric current is passed through the wire.
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