Question

name
reasoning about freedom of movement (continued)
claim 2: molecules in a substance move differently when a substance changes phase.
evidence
this matters because...
(how does this evidence
support or refute the claim?)
therefore,...
(claim)
quotation from the article:

o matter what phase water
is in, the water molecules
stay the same; they just move
differently.\
explain why this evidence
matters:
describe an important
observation from the sim:

Explanation:

The evidence from the article supports the claim that molecules in a substance move differently when a substance changes phase. The quote indicates that while the water molecules remain the same, their movement changes with the phase (e.g., solid, liquid, gas). In solids, molecules vibrate in fixed positions; in liquids, they move more freely; and in gases, they move rapidly and randomly. This shows that the movement of molecules (not their identity) changes with the phase, which aligns with the claim.

Answer:

• This matters because: The evidence shows that as the phase of water changes (e.g., from ice to liquid water to water vapor), the movement of water molecules changes (e.g., from vibrating in place to sliding past each other to moving freely). This directly supports the claim that molecules in a substance move differently when the substance changes phase.
• Therefore (claim): Molecules in a substance move differently when a substance changes phase (as supported by the evidence that water molecules' movement changes with phase while the molecules themselves remain the same).