Physical & Chemical change scavenger hunt

When McKelvey Mixed vinegar and baking soda, what was created?

Was that a physical or chemical change? How do you know?

When McKelvey turned the ice cubes to liquid on the hot plate, was that a chemical or physical change? How do you know?

When McKelvey boiled the water till the beaker was empty on the hot plate, was that a chemical or physical change? How do you know?

From what is dry ice made?

What is the normal state of the substance from which dry ice is made at room temperature

What is the temperature of dry ice?

McKelvey had a dud of a film canister rocket McKelvey had a dud of a film canister rocket. It was powered by an Alka Seltzer tablet and water. When the Alka Seltzer mixes with water is it a chemical or physical change? How do you know?

What was created when the Alka Seltzer mixed with the water?

When McKelvey put drops of dish soap in the milk, the milk started churning. Was this a Chemical or Physical change?

What does the internet say is happening when those two are introduced to each other?