Page 34 - พลังงานและสิ่งแวดล้อม
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ตอนที่ 2 จงตอบคําถามต่อไปนี้ให้ถูกต้อง
1. พลังงานมีประโยชน์ต่อการดํารงชีวิตของมนุษย์ในด้านใด
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2. จงบอกความหมายของคําว่าพลังงาน
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3. พลังงานมีกี่รูปแบบ ได้แก่อะไรบ้าง
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4. พลังงานภายในได้แก่อะไรบ้าง
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5. ร่างกายมนุษย์ต้องการพลังงานอะไร
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