| 11. | _Turn lights off when you leave the house or when you go to sleep.
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| 12. | An analog transmitter turns light and sound into radio waves.
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| 13. | In this way, light absorption turns light energy into heat.
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| 14. | Bake in preheated 375-degree oven about 15 minutes or until edges turn light golden.
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| 15. | Add chopped onions; cook 5 minutes, or until they turn light brown, stirring occasionally.
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| 16. | Cook a few minutes, letting the flour turn light golden.
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| 17. | They turn light brownish grey after about 2 months.
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| 18. | Heat over low heat, stirring frequently, until the almonds turn light brown, about 3-5 minutes.
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| 19. | You see those ones that will turn lights on and off at specific times of day.
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| 20. | Outdoors, use photoelectric cells that turn lights off automatically at dawn and on again at dusk.
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