Chapter 9 Questions and Answers Flashcards
What are fuels? Provide examples.
Page 175
Think About It Page 176
What gas in the air is needed for fuels to burn? What gas is produced when fuels in rich in carbon burn in air?
Page 176
Differentiate between the different types of flames. What precautions should be taken when using a Bunsen burner?
Page 176-177
What is a fair test? Provide an example.
Page 177
What are fossil fuels?
Page 179
How were the different types of fossil fuels formed?
Page 180-181
How is coal mining dangerous?
Page 180
Differentiate between both energy sources. Provide examples and explain.
Page 182
Why is the conservation of energy important? What does it do?
Page 182-183
What are some ways we can conserve energy in our daily lives?
Page 183
Think About It Page 184
How does the automatic switch of an electric kettle help to conserve energy?
Page 184
Besides conserving energy, how can we meet the growing demand for energy? Explain and provide examples.
Page 184
Describe energy from the Sun. What are its downsides/problems?
Page 184-187
Describe energy from living things. Are there downsides/problems to it?
Page 187-188
Describe energy from running water. What are its downsides/problems?
Page 188-189
Describe energy from wind. What are its downsides/problems?
Page 189
Describe energy from waves.
Page 190
Describe energy from inside the Earth.
Page 190-191
How do living things use energy? How do some of them make energy?
Page 192-193
What is the SI Unit of energy? Explain.
Page 194-195
How is the Sun the main energy source? Explain and provide examples.
Page 196-197
Which flame, the luminous or non-luminous flame, has a greater energy output?
Page 176
