Lesson 2: Energy and Conversions

Multiple Choice

What is the unit used to measure both energy and work?

• Joules

• Watts

• Newtons

• Calories

Multiple Choice

Which of the following best describes the difference between potential energy (PE) and kinetic energy (KE)?

• PE is stored energy, while KE is the energy of motion.

• PE is the energy of motion, while KE is stored energy.

• PE is only found in living things, while KE is only found in non-living things.

Multiple Choice

Kinetic energy depends upon ____ and velocity.

• speed

• mass

• weight

Multiple Choice

Sound waves are a form of ____ energy caused by the vibration of particles.

• vibrations
• moving

• mechanical

Multiple Choice

Which type of energy is NOT a form of kinetic energy?

• thermal

• magnetic

• chemical

• electrical

Multiple Choice

What happens to the nucleus of an atom during nuclear FISSION?

• It splits into smaller parts

• It combines with another nucleus

• It turns into a proton

Multiple Choice

Which of the following is NOT a type of potential energy listed in the slide?

• Gravitational

• Elastic

• Chemical

• Thermal

Multiple Choice

What is the most common energy conversion described in the lesson?

• Conversion between thermal and electrical energy

• Conversion between chemical and nuclear energy

• Conversion between potential and kinetic energy

Multiple Choice

The Law of Conservation of Energy states that energy can change forms, but cannot be created or ___.

• destroyed
• changed

• fixed

Multiple Choice

What is the relationship between energy and work, and how are they measured?

• Energy is the ability to do work, and both are measured in Joules.

• Work is the ability to do energy, and both are measured in Watts.