1. Quick Quiz 1 Which list contains only fuels? A wood, iron, plastic
7Fe
Quick Quiz
1 Which list contains only fuels?
A wood, iron, plastic
B wood, petrol, oxygen
C petrol, oil, natural gas
D air, wood, oil
Exploring Science 7
© Pearson Education Limited 2004

2. Quick Quiz 2 When a fuel burns there is:
7Fe
Quick Quiz
2 When a fuel burns there is:
A a reversible physical change
B a reversible chemical change
C an irreversible physical change
D an irreversible chemical change.
Exploring Science 7
© Pearson Education Limited 2004

3. 7Fe
Quick Quiz
3 Which statement finishes off this word equation for burning?
fuel + oxygen ® _______________
A carbon dioxide + water (+ energy)
B carbon dioxide + carbon monoxide
C fuel oxide + oxygen (+ energy)
D methane + carbon dioxide (+ energy)
Exploring Science 7
© Pearson Education Limited 2004

4. Quick Quiz 4 Which of these candles will burn the longest? B C A D 7Fe
Exploring Science 7
© Pearson Education Limited 2004

5. Quick Quiz answers 1 Which list contains only fuels?
7Fe
Quick Quiz answers
1 Which list contains only fuels?
A wood, iron, plastic
B wood, petrol, oxygen
C petrol, oil, natural gas
D air, wood, oil
Exploring Science 7
© Pearson Education Limited 2004

6. Quick Quiz answers 2 When a fuel burns there is:
7Fe
Quick Quiz answers
2 When a fuel burns there is:
A a reversible physical change
B a reversible chemical change
C an irreversible physical change
D an irreversible chemical change.
Exploring Science 7
© Pearson Education Limited 2004

7. 7Fe
Quick Quiz answers
3 Which statement finishes off this word equation for burning?
fuel + oxygen ® _______________
A carbon dioxide + water (+ energy)
B carbon dioxide + carbon monoxide
C fuel oxide + oxygen (+ energy)
D methane + carbon dioxide (+ energy)
Exploring Science 7
© Pearson Education Limited 2004

8. Quick Quiz answers 4 Which of these candles will burn the longest? B C
7Fe
Quick Quiz answers
4 Which of these candles will burn the longest? B C A D
Exploring Science 7
© Pearson Education Limited 2004