G6 Thermal Energy Conductivity

Beaker X and Beaker Y both contain water.

Beaker X: 500ml at 50^oC

Beaker Y: 750ml at 50^oC

Which beaker contains more thermal energy?

• Beaker X

• Beaker Y

• They have the same thermal energy

Beaker X and Beaker Y both contain water.

Beaker X: 500ml at 50^oC

Beaker Y: 750ml at 50^oC

Which beaker has higher temperature?

• Beaker X

• Beaker Y

• They have the same temperature

Four pots with increasing volumes of water are heated for 5 minutes on the same stove. Which pot would heat up the most?

• 0.5L pot

• 1.0L pot

• 1.5L pot

• 2.0L pot

As mass increases, the change in temperature will decrease for the same energy input.

• True

• False

The change in temperature and mass is a(n) _________________ relationship.

• directly proportional

• inversely proportional

Which material is best for the handle of a cooking pan?

• Copper

• Wood

• Iron

• Steel

Three beakers are filled with boiling water. Above each beaker is a layer of material, with an ice cube sat on top. Above which material would the ice cube melt first?

• Aluminium foil

• Cotton wool

• Air

It takes 836J to heat up 20g water by 10^oC. How much energy would it take to heat 40g water by 10^oC?

• 416J

• 836J

• 1672J

• 16720J

Specific heat is:

• The amount of energy required to increase the temperature of 1g of a material by 1K

• The amount of energy required to increase the temperature of 1kg of a material by 1K

• The amount of energy required to increase the temperature of 1g of a material by 10K

• The amount of energy required to increase the temperature of 1kg of a material by 10K

Which has the highest specific heat?

• Water

• Copper

• Iron

• Aluminium