11 Questions
What is the primary reason why fossil fuels are considered non-renewable?
They take millions of years to form.
Which primary energy source originally powers the creation of coal, oil, and natural gas?
Solar energy
Why are nuclear power stations associated with dangerous waste materials?
They produce waste materials that are hazardous to health.
Why is electricity not classified as a fuel according to the text?
Electricity is generated using other energy resources.
What is the common environmental impact of burning fossil fuels according to the text?
Acid rain formation
What unit is commonly used to measure energy in food?
Kilojoule
Which process is used to measure the amount of energy stored in food?
Calorimetry
What is the formula for Gravitational Potential Energy (GPE) according to the text?
Mass x gravity x height
Which type of energy is associated with the chemicals in food, fuels, and batteries?
Chemical Energy
What happens to energy according to the law of conservation of energy?
Energy is not used up
How much energy is required to heat up 1 gram of water by 1 ℃ according to the text?
4 J
Test your knowledge on the energy stored in food and the process of calorimetry used to measure energy content in food. Learn about units like joules and kilojoules commonly used to measure energy.
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