Energy Essentials

What is the principle of energy conservation?

• Energy can be created and destroyed

• Energy can neither be created nor destroyed, only transformed

• Energy can be destroyed but not created

• Energy can be created but not destroyed

Which of the following is an example of kinetic energy?

• A compressed spring

• A battery

• A moving car

• Coal

What is the term for energy stored in an object due to its position?

• Kinetic energy

• Thermal energy

• Potential energy

• Chemical energy

How is heat transferred from one object to another?

• Conduction

• Conservation

• Convection

• All of the above

What form of energy is associated with the motion of atoms and molecules in a substance?

• Mechanical energy

• Thermal energy

• Nuclear energy

• Electrical energy

Which of the following is a renewable source of energy?

• Natural gas

• Coal

• Solar power

• Petroleum

What is the process called when light energy is converted into chemical energy through photosynthesis?

• Combustion

• Metabolism

• Transduction

• Transformation

In an ecosystem, how is energy transferred through the food chain?

• From producers to consumers to decomposers

• From decomposers to consumers to producers

• From consumers to producers to decomposers

• Energy is not transferred in a food chain

What type of energy transfer occurs when you touch a hot stove and your hand gets burned?

• Radiation

• Conduction

• Convection

• Insulation

Which of the following is an example of energy transformation in a hydroelectric power plant?

• Chemical to electrical

• Mechanical to thermal

• Potential to kinetic to electrical

• Solar to electrical