Phy Sci B Test: Module 3

Which of the following is an example of energy conversion?

• A. A car driving at a steady speed

• B. A book sitting on a table

• C. A flashlight being powered by a battery

• D. A rock lying on a hill

What is the unit of measurement for energy?

• Newton

• Joule

• Watt

• Kilogram

Which statement accurately describes the law of conservation of energy?

• Energy can be destroyed and created

• Energy is only present in specific forms

• Energy is neither created nor destroyed, only transformed

• Energy can only be transferred, not transformed

What term describes the energy of motion?

• Kinetic energy

• Potential energy

• Chemical energy

• Stored energy

Energy stored due to an object's position or structure is known as?

• Kinetic energy

• Chemical energy

• Potential energy

• Thermal energy

What is the correct formula for gravitational potential energy?

• PE = ½ mv²

• PE = mgh

• PE = Fd

• PE = mg/v

Which form of energy is stored in an object when it is compressed or stretched?

• Thermal energy

• Elastic potential energy

• Gravitational energy

• Kinetic energy

What is the formula for calculating kinetic energy?

• KE = mv²

• KE = mgh

• KE = Fd

• KE = ½ mv²

What happens to the potential energy of an object as it falls to the ground?

• It increases

• It stays the same

• It decreases

• It converts to kinetic energy

Which equation shows the relationship between mass and energy according to Einstein?

• E = mv²

• E = Fd

• E = mc²

• E = mgh