20 Questions
Which substance is broken down in respiration?
Glucose
What are the products of respiration?
Carbon dioxide and water
Where does respiration take place?
In both plants and animals
What is the chemical equation for respiration?
C6H12O6 + 6O2 -> 6CO2 + 6H2O
What is the relationship between photosynthesis and respiration?
They have the same raw materials
What is the main purpose of respiration in living things?
To release energy
What is the role of oxygen in respiration?
To release energy
What is the role of carbon dioxide in respiration?
To produce glucose
What is the role of glucose in respiration?
To release energy
What is the process called when food is converted into energy in the body?
Respiration
Where does the energy for our body activities come from?
From the food we eat
What is the chemical energy stored in food converted into?
Thermal energy
What is the source of energy for all living things?
Food
What is the purpose of Experiment 7.6 mentioned in the text?
To study the release of energy from burning food
What is the apparatus used in Experiment 7.6 to heat the water?
Bunsen burner
What is the caution given during the setup of Experiment 7.6?
Do not clamp the thermometer and the boiling tube too tightly
What is the purpose of the heat-proof mat mentioned in Experiment 7.6?
To prevent the boiling tube from breaking
What is the step before heating the peanut in Experiment 7.6?
Measure the temperature of water
What is the purpose of the burning spoon in Experiment 7.6?
To hold the peanut
What is the purpose of wearing safety goggles in Experiment 7.6?
To protect the eyes
Test your knowledge on how living things obtain energy from food and the role of air in this process. Learn about the conversion of chemical energy into useful forms to support various body activities.
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