Which statement about nuclear fuel is correct?

It is non-renewable and produces radioactive waste

What does the law of conservation of energy state?

Energy cannot be created or destroyed, only transferred

Some energy is always wasted, usually as heat

Warm air expands and becomes less dense

It traps air, a poor conductor, reducing conduction

A layer of air between the panes is a poor conductor

The energy transfers, with arrow widths proportional to energy

14questions. Pick an answer and you'll see why right away.

Which of these is a non-renewable energy resource?
Which statement about nuclear fuel is correct?
In most power stations, what does the steam turn?
Which is a disadvantage of wind power?
What does the law of conservation of energy state?
A device takes in 200 J and usefully transfers 50 J. What is its efficiency?
Why is no device 100 percent efficient?
How is heat transferred through a solid metal bar?
Which type of heat transfer can travel through a vacuum?
In convection, why does warm air rise?
How does loft insulation reduce heat loss?
Why does double glazing reduce heat loss through windows?
Loft insulation costs 400 pounds and saves 100 pounds a year. What is the payback time?
What does a Sankey diagram show?