Question

c. bend it
d. oxidize it

1. which of the following situations demonstrates a physical change?

a. burning a match
b. milk going sour
c. melting of ice
d. rusting iron

1. four siblings did chores during the weekend. ling cooked eggs. gabe raked leaves. chris sewed buttons. briana dried laundry. which of these involved a chemical change?

a. cooking eggs
b. raking leaves
c. sewing buttons
d. drying laundry

Explanation:

Physical changes do not change the chemical composition of a substance, while chemical changes result in a new substance with different chemical properties. Melting ice only changes the state from solid to liquid without altering the chemical composition of water, so it is a physical change. Cooking eggs causes a chemical reaction in the proteins of the egg, resulting in a new substance with different properties, so it is a chemical change. Raking leaves, sewing buttons, and drying laundry are physical actions that do not involve chemical reactions.

Answer:

1. c. Melting of ice
2. a. Cooking eggs