Physics 1.1.7

Question 1

Energy in the ___ Store of an object is responsible for its Temperature.

Answer 1

Thermal Energy.

Question 2

Change in Energy = …

Answer 2

Mass X SHC X Change in Temp.

Question 3

What is the ‘Specific Heat Capacity’ of a Substance?

Answer 3

The amount of Energy needed to raise the Temperature of 1Kg of a Substance by 1’C.

Question 4

If a Substance has a low SHC, it heats up and cools down ___.

Answer 4

Quickly.

Question 5

If a Substance has a low SHC, it takes ___ Energy to change its Temperature.

Answer 5

Less.

Question 6

If a Substance has a high SHC, it heats up and cools down ___.

Answer 6

Slowly.

Question 7

If a Substance has a high SHC, it takes ___ Energy to change its Temperature.

Answer 7

More.

Question 8

What is a reason for why good Electrical Conductors, such as Cu and Pb, are excellent Thermal Conductors?

Answer 8

Due to their low SHC.

Question 9

Why is Water used to heat homes?

Answer 9

Because Water has a very high SHC, so it remains hot in a radiator for a long time.