Question 1
Question detail
What happens to the thermal energy of a material when work is done on it?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Energy changes in a system, and the ways energy is stored before and after such changes
Question
- A. Thermal energy decreases
- B. Thermal energy remains constant
- C. Thermal energy increases
- D. Thermal energy is converted to kinetic energy
Answer
Thermal energy increases
Explanation
The correct option is "Thermal energy increases". Thermal energy increases is right because it directly matches Energy changes in systems: Link the decrease of one energy store or work done to the increase in thermal energy stored by a material.. The other options are less suitable because they change the required Physics relationship, confuse the relevant energy store or use a distractor that does not answer the question.
Common mistake
Confusing Energy Stores
Students often confuse the decrease of one energy store with the increase in another without understanding the relationship between them.
To fix this, clearly link the concepts by explaining how energy is conserved and transferred between stores, ensuring to illustrate specific examples of energy transformations.
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