EXPERIMENT TOOL CAPABLE OF CONFIRMING UNIT-FORCE, UNIT-ENERGY AND UNIT-POWER, AND UNIT-CALORIE

摘要

PURPOSE: experiment detection device power, unit energy, machine group factor, unit calorie are provided the physical quantity for making student understand basic unit. ;CONSTITUTION: plastic bottle (11) includes that water uses this food preservative 0.1kg can make more. Weight scale, which checks whether, pours water plastic bottle and above-mentioned plastic bottle is 0.The plastic bottle of 1 kilogram of one line (13) and lid has 1m or more. Plastic bottle is left in clip (15) and 1m bottom of screw thread. Watch test vibration period plastic bottle is connected to screw thread. ;The 2013 of copyright KIPO submissions