Using Energy Flashcards
The energy need to change the temperature of a substance defends on:
It mass, its specific heat capacity and the change in temperature
How doe the mass of an object effect the temperature increase when heated
The greater the mass the slower the heat increase when heated
What is the equation for when energy changes the temperature of a substance
E=mctemperature change
What is the specific heat capacity
It is the energy needed to raise the temperature of 1kg of a substance by 1oC
What do storage heater use to store energy and where do they story the energy
They use off-peak electricity
They store it in special bricks
What does U-value tell us
It tells us how much energy per second m2 passes through different materials
What to solar panels use solar radiation for
To heat water
What is the negative side of solar panels
Hey are expensive
