| what are non-renewable resources? | resources that cant be renewed(it runs out) eg natural gas coal oil (fossil fuels) |
| what are renewable resources? | resources that can be renewed eg solar, wind, hydroelectric, geothermal, tidal and biofuels. |
| what resources did trains use compared to now? | trains used coal and now they use electricity |
| what are biofuels made from? | they are created from renewable resources like plants. |
| how is natural gas used to heat radiators? | the natural gas is burnt to heat water and then the hot water is pumped into our radiators and then the thermal energy is transferred in the air in our rooms to help keep us warm. |
| how can we use renewable resources for heating? | solar water heaters work by using the suns energy to heat water which can then be pumped through the radiators in our houses. and biofuels can be burned for heat. |
| is electricity a renewable resource? | it depends on how it is made most of our electricity run on non renewable resources. |
