What is energy transfer?

What is an example of energy transfer?

What is energy transformation?

What can the chemical energy of using an iPod turn into?

What can the elastic potential energy of a jumping frog turn into?

What are some of the changes that happen when a glass falls off the table?

What can a solar cell transform light energy into?

What does the law of conservation of energy state?

What does this mean?

What is "wasted" energy?

What is useful energy?

Is useful energy the input or output of an object?

What is energy efficiency?

How do you know the difference between an efficient device and inefficient one?

Why isn't a car considered efficient?

What is renewable energy?

What are some examples of renewable energy?

What are non-renewable energy resources?

What are some fossil fuels?

Why are fossil fuels used to power most Australian homes?