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กจิ กรรม ที กระบวนการทางวทิ ยาศาสตร์
ใหน้ กั ศกึ ษาออกแบบแกป้ ัญหาจากสถานการณ์ต่อไปนี
โดยมอี ปุ กรณ์ ดงั นี เมลด็ ถวั ถว้ ยพลาสติก กระดาษทิชชู นาํ กระดาษสีดาํ
กาํ หนดปัญหา............................................................................................................................................
การตงั สมมติฐาน.......................................................................................................................................
การกาํ หนดตวั แปร
ตวั แปรตน้ .....................................................................................................................................
ตวั แปรตาม..................................................................................................................................
ตวั แปรควบคุม..............................................................................................................................
การทดลอง.................................................................................................................................................
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