Question

question 4 of 25
which option describes a phase change?

a. air leaking from a tire
b. gasoline evaporating into the air
c. a helium balloon rising into the sky
d. plasma erupting from the sun

Explanation:

A phase change is a change in the state of matter (solid, liquid, gas). Let's analyze each option:

• Option A: Air leaking from a tire is just gas moving, no state change.
• Option B: Gasoline (liquid) evaporating into gas (air) is a liquid - to - gas phase change (evaporation).
• Option C: A helium balloon rising is due to buoyancy, no state change.
• Option D: Plasma erupting from the sun is a change involving plasma, but gasoline evaporation is a more typical phase change between common states (liquid - gas).

Answer:

B. Gasoline evaporating into the air