Food

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Which substance is broken down in respiration?

Water

Oxygen

Glucose (correct)

Carbon dioxide

What are the products of respiration?

Carbon dioxide and water (correct)

Carbon dioxide and oxygen

Glucose and oxygen

Water and oxygen

Where does respiration take place?

Only in animals

In both plants and animals (correct)

In the presence of light

Only in plants

What is the main purpose of respiration?

To release energy Signup and view all the answers

What is the chemical equation for respiration?

C6H12O6 + 6O2 → 6CO2 + 6H2O Signup and view all the answers

What are the raw materials for photosynthesis?

Carbon dioxide and water Signup and view all the answers

What is the main purpose of photosynthesis?

To produce glucose Signup and view all the answers

What is the chemical equation for photosynthesis?

6CO2 + 6H2O → C6H12O6 + 6O2 Signup and view all the answers

What is the relationship between photosynthesis and respiration?

They are opposite processes Signup and view all the answers

Where does photosynthesis take place?

Only in plants Signup and view all the answers

Where does the energy for our body activities come from?

The food we eat Signup and view all the answers

What is the chemical energy stored in food converted into?

Thermal energy Signup and view all the answers

What is the source of energy for all living things?

Food Signup and view all the answers

How can our bodies release the energy in food?

By burning food Signup and view all the answers

What is the purpose of Experiment 7.6 described in the text?

To study the release of energy from burning food Signup and view all the answers

What is the first step of Experiment 7.6?

Fill a boiling tube with water Signup and view all the answers

What should be avoided when setting up the apparatus for Experiment 7.6?

Letting the thermometer touch the boiling tube Signup and view all the answers

What is the purpose of wearing safety goggles during Experiment 7.6?

To protect the eyes from heat Signup and view all the answers

What is the purpose of the boiling tube stand and clamp in Experiment 7.6?

To hold the boiling tube Signup and view all the answers

What is the purpose of the gas lighter in Experiment 7.6?

To burn the peanut Signup and view all the answers