Question

justin is making a snack. he toasts a piece of bread and spreads peanut butter and jelly on it. then he cuts an apple into several slices and adds these to his plate. next, justin mixes a scoop of lemonade powder into a glass of water, mixes it, and adds ice.
how many chemical changes occurred in this scenario?
one
two
three
four

Explanation:

• Toasting bread: A chemical change occurs as new substances (like carbon - based compounds from the browning) are formed due to heat - induced reactions.
• Mixing lemonade powder with water: This is a physical change (dissolving).
• Adding ice: Physical change (melting).
• Cutting apple: Physical change (change in shape).
• Spreading peanut butter and jelly: Physical change (spreading, no new substance formed).

Answer:

one