Power and energy

Science

Power is the rate at which {{}} is transferred.

Match each of the following to the correct units.

How do you convert a value given in kilowatts to watts?

How do you convert a time given in minutes to seconds?

Calculate the power if 115 J of energy is transferred in 5 seconds.

Calculate the power of hair straighteners that use 16,000 joules of energy in 1 minute and 40 seconds.

Which **two** of the following are stores of energy?

elastic potential → kinetic → gravitational potential

gravitational potential → kinetic → elastic potential

kinetic → gravitational potential → elastic potential

Which is the correct order of energy stores for someone doing a bungee jump?

Match each heat transfer method to the correct description.

Which of the following is used to reduce the rate at which heat is transferred in the home?