Year 7 multiple-choice main test: answers 7I Energy resources 7A multiple-choice extension test: answers Year 7 multiple-choice main test: answers 7I Energy resources © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

A train is travelling along a railway line. The train has... Question 1 A train is travelling along a railway line. The train has... A) elastic potential energy B) gravitational potential energy C) kinetic energy D) light energy © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

Coal is a fuel. Before it is burnt coal contains... A) chemical energy Question 2 Coal is a fuel. Before it is burnt coal contains... A) chemical energy B) elastic potential energy C) heat energy D) light energy © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

C) gravitational potential energy D) heat energy Question 3 A cycle dynamo is used to make the lights on a bike work. The energy transformations for this are shown in the diagram. The missing energy is: A) chemical energy B) electrical energy C) gravitational potential energy D) heat energy © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

The diagram shows a Bunsen burner. Question 4 The diagram shows a Bunsen burner. The part labelled X is the... A) air hole B) barrel C) collar D) gas tap © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

This chart shows the correct sequence for lighting a Bunsen burner. Question 5 This chart shows the correct sequence for lighting a Bunsen burner. Choose the instruction that completes the sequence. A) Close the air hole. B) Close the jet. C) Open the air hole. D) Open the jet. © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

The reading on this thermometer is... A) 43 °C B) 47 °C C) 53 °C Question 6 The reading on this thermometer is... A) 43 °C B) 47 °C C) 53 °C D) 57 °C © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

The substance that is not a fossil fuel is... A) coal B) natural gas Question 7 The substance that is not a fossil fuel is... A) coal B) natural gas C) oil D) wood © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

The fuel made from dead sea creatures is... A) coal B) nuclear C) oil Question 8 The fuel made from dead sea creatures is... A) coal B) nuclear C) oil D) wood © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

This data suggests that gas will run out in the year... A) 2042 Question 9 The bar chart shows the estimated life of fossil fuels. This data was collected in the year 2002. This data suggests that gas will run out in the year... A) 2042 B) 2062 C) 2302 D) 2362 © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

The fuel that makes the biggest contribution to acid rain is... Question 10 The fuel that makes the biggest contribution to acid rain is... A) coal B) natural gas C) oil D) wood © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

Read the following statements about renewable energies carefully. Question 11 Read the following statements about renewable energies carefully. 1. Renewable energies will never run out. 2. Renewable energies cause less pollution than fossil fuels. 3. All renewable energy resources depend on the weather. The statements that are correct are... A) 1 only B) 2 only C) 1 and 2 only D) 1, 2 and 3 © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

The energy resource that is not renewable is... A) biomass Question 12 The energy resource that is not renewable is... A) biomass B) geothermal C) hydro-electric D) nuclear © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

Question 13 The energy resource that did not originally get its energy from the Sun is... A) biomass B) geothermal C) hydro-electric D) oil © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

A wind turbine uses ________ energy in the wind. A) electrical Question 14 A wind turbine uses ________ energy in the wind. A) electrical B) gravitational potential C) heat D) kinetic © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

Question 15 The renewable energy resource that gets its energy from the gravitational attraction of the Moon is... A) geothermal B) hydro-electric C) solar D) tidal © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

Question 16 The correct metric unit to use for the amount of energy in food is the... A) calorie B) joule C) kilogram D) watt © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

The graph shows the energy required for a minute of each activity. Question 17 The graph shows the energy required for a minute of each activity. You need most energy from food if you are... A) jogging B) riding a bike C) sleeping D) walking © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

Question 18 Harry has a daily diet with a total energy intake of 15 000 kJ. Each day his body uses 14 800 kJ. If his diet continues like this for several days his mass will... A) decrease a bit B) decrease a lot C) increase a bit D) increase a lot © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

Where do plants get their energy to grow from? A) soil B) water Question 19 Where do plants get their energy to grow from? A) soil B) water C) the Sun D) air © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers

The list shows four substances used by plants. 1. carbon dioxide Question 20 The list shows four substances used by plants. 1. carbon dioxide 2. glucose 3. oxygen 4. water The two substances that a plant must have to make food are... A) 1 and 3 only B) 1 and 4 only C) 2 and 3 only D) 3 and 4 only © Cambridge University Press 2003, 2006, 2008 7I multiple-choice main test: answers