Arrange a thermometer, 1. a glass of chilled water, a glass of normal water’
2. an ice-cream and tea
3. a watermelon in refrigerator and a watermelon outside the watermelon
4. a watering can out in the sun and a watering can inside the room
Record the temperature and find the difference.
Mention the temperature in Celsius and Fahrenheit.

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.