Conservation Of Energy

Question 1

What is the principal of conversation of energy?

Answer 1

The total amount of energy in a closed system is constant

…Energy can only be converted from one form into another

Question 2

How can you reduce loss of thermal energy in a home from walls?

Answer 2

Cavity wall insulation (two layers of bricks with polystyrene foam-good insulator)

Question 3

How can you reduce loss of thermal energy in a home from floor and door?

Answer 3

Carpet, floor insulation
Draught excluders

Question 4

How can you reduce loss of thermal energy in a home from windows?

Answer 4

Double/triple glazing, with air gap in the middle

Question 5

How can you reduce loss of thermal energy in a home from roof?

Answer 5

Loft insulation (thick felt/fibreglass)