8_1 8_2 From Physics Guide

What is the essential idea of energy production?

• The need for new energy sources

• The impact of energy production on the environment

• The development of alternative energy sources

• The rapidly changing technological innovation

What is the nature of science related to energy production?

• Risks and problem-solving

• Collaboration and sharing of new technologies

• Holistic approaches and involvement of multiple areas of knowledge

• Lack of support in some countries for economic and political reasons

What are the specific energy and energy density of fuel sources measured in?

• Joules per kilogram (J/kg) and Joules per meter cubed (J/m³)

• Watts per kilogram (W/kg) and Watts per meter cubed (W/m³)

• Joules per second (J/s) and Joules per meter (J/m)

• Watts per second (W/s) and Watts per meter (W/m)

What is electricity considered as?

• Primary energy source

• Secondary energy source

• Renewable energy source

• Non-renewable energy source

What are the two categories of energy sources?

• Fossil fuels and nuclear energy

• Renewable and non-renewable energy

• Electricity and alternative energy

• Primary and secondary energy

What is the international impact of energy production from fossil fuels?

• Political conflict and economic inequalities

• Global thinking and geographic concentrations

• New levels of international collaboration

• Environmental impact and economic dimensions

What is the theory of knowledge related to the use of nuclear energy?

• Emotional responses from scientists and society

• Accurate scientific risk assessment

• Evaluation and synthesis of scientific information

• Moral and ethical dimensions

What has revolutionized the world in terms of electrical production and motion?

• Generators and engines

• Alternative energy sources

What should be included in the description of nuclear power stations?

• Use of control rods, moderators, and heat exchangers

• Use of photovoltaic cells and solar heating panels

• Use of wind generators and pumped storage hydroelectric systems

• Use of fossil fuel power stations and solar power cells

What is the equation for wind generators?

• Power = energy / time

• Power = -Apv³

• Power = mass x acceleration

• Power = force x distance