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11. Draw arrow up ( if the sentence is erect, and arrow oun ( his won
9. Light, heat and sound energy can be transformed to other forms,
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10. Solar panels convert light energy to electricity.
11. Without light, Earth would be a lively planet.
12. Heat energy is involved in maintaining the water cyde.
13. Sound energy can be produced by plucing, striking and blowing
14. Inclined plane is a slanting surface used to raised heavy objects,
15. A screw is used to fasten objects together.
16. A lever is a curved bar that is used to push or pull objects,
17. Devices that help make work easter are called machines
18. A wheel and axle has three parte, lood, effort, and tulum,
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Answer:
Tanongin mo sa pagong kala mo ha