Question

Adding thermal energy to a cup of water can cause particles to do which of the following? Select all that apply.

Multiple select question.
A) move faster
B) get farther apart
C) move slower
D) remain constant
E) get closer together

Answer 1

Adding thermal energy makes water particles move faster and get farther apart, due to increased kinetic energy and potential for phase changes. Option A , B and E are correct.

Step-by-step explanation:

Adding thermal energy to a cup of water will cause the water particles to move faster and get farther apart. This is due to the increase in kinetic energy of the particles, which happens when heat is added. The particles moving faster is evidenced by an increase in temperature, while them getting farther apart is related to the potential for a phase change if enough energy is added (for example, water to steam). It is important to note that the particles do not move slower, remain constant, or get closer together as a result of added thermal energy.

When thermal energy is added to a cup of water, the particles in the water can do the following:

Move faster: As thermal energy is added, the particles gain kinetic energy, causing them to move more rapidly.

Get farther apart: The increased kinetic energy causes the particles to spread out, increasing the distance between them.

Get closer together: This is incorrect. As the particles gain kinetic energy, they move farther apart, not closer together.