a teacher wants to perform a classroom demonstration that illustrates both chemical and physical changes…

a teacher wants to perform a classroom demonstration that illustrates both chemical and physical changes. which would be the best demonstration that she could use?\n○ bending a piece of aluminum\n○ breaking a matchstick\n○ dissolving sugar in water\n○ burning a candle

a teacher wants to perform a classroom demonstration that illustrates both chemical and physical changes. which would be the best demonstration that she could use?\n○ bending a piece of aluminum\n○ breaking a matchstick\n○ dissolving sugar in water\n○ burning a candle

Answer

Answer:

D. burning a candle

Brief Explanation:

Bending aluminum is a physical - only change. Breaking a matchstick is physical. Dissolving sugar in water is physical. Burning a candle has melting (physical) and combustion (chemical), showing both types of changes.