Write down a definition of CONDUCTION and give an example to explain your understanding of the term:
Which of the following scenarios is the best example of energy transfer by conduction?
A cold ocean water sinking near the poles
B burning your hand when you touch a hot stove
C wind blowing from the ocean to the land on a hot day
D hot magma inside a volcano rising toward the surface to erupt
Explain your reasoning to your answer to question 2
Write down a definition of CONVECTION and give an example to explain your understanding of the term:
Which substances are able to transfer heat by convection?
E Vacuum / space
Explain your choices to question 5
Write down a definition of RADIATION and give an example to explain your understanding of the term:
Which of the following objects would probably become hottest if left in the sun for several hours?
A a piece of white paper
B a piece of black plastic
C a sheet of aluminium foil
D a block of light-coloured wood
Explain your reasoning for your answer to question 8:
Which cup of hot chocolate would cool down fastest
A White plastic
B White metal
C Black plastic
D Black metal
Explain your answer to question 10
Which way does heat travel
B from hotter to colder places
C from colder to hotter places
A student has two pieces of iron (a metal)
Sample A has a mass of 100 g and a temperature of 50 °C.
Sample B has a mass of 100 g and a temperature of 20 °C.
A Sample A has a smaller volume than sample B.
B Sample A contains more particles than sample B.
C The particles in sample A are bigger than those in sample B.
D The particles in sample A are moving more quickly than those in sample B.
Explain your reasoning to your answer for question 13.
A student places a small plastic ball with a temperature of5 °C into a large container of liquid with a temperature of 60 °C. Which of the following is the most probable final temperature of the ball and the water after 2 minutes?