Multiple Choice
For how long can the aerobic energy system sustain a moderate level of physical activity?
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3. Energy & Cell Processes
Introduction to Energy
Multiple Choice
Which of the following is NOT a form of kinetic energy?
A
When the temperature of a substance rises causing the molecules of that substance to move faster.
B
When a hockey puck slides across the ice after being hit by a player.
C
When glucose molecules are broken down to create energy for cellular work.
D
When the molecules of the air vibrate transmitting soundwaves.
Verified step by step guidance1
Understand the concept of kinetic energy: Kinetic energy is the energy of motion. It is associated with objects or particles that are moving.
Analyze each option to determine if it involves motion: For each scenario, consider whether it involves movement or motion of particles or objects.
Option 1: When the temperature of a substance rises, the molecules move faster. This is a form of kinetic energy because the molecules are in motion.
Option 2: When a hockey puck slides across the ice, it is moving. This is a form of kinetic energy because the puck is in motion.
Option 3: When glucose molecules are broken down to create energy, this process involves chemical energy, not kinetic energy. The breakdown of glucose is a chemical reaction that releases energy for cellular work, but it does not involve motion of the molecules themselves as kinetic energy does.
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