The ice, water and boiling water were examples of _____________ changes.
True or false: When the liquid water was becoming steam, a new substance was being made.
True or false: The cracker being crushed by the bowling ball was so powerful that a chemical change happened.
True or false: A physical change is when you have a different product (cracker squares, cracker powder) but the substance is the same.
When the vinegar and baking soda was in the plastic bag, one clue that a chemical change was happening is that ______________
Which of these was NOT a sign of a chemical change in the baking soda and vinegar example?
When vinegar was combined with the calcium chloride, the bag _____________________.
An endothermic reaction ___________ heat. An exothermic reaction ______________ heat.
The chemical change that occurred when vinegar was mixed with milk produced __________________.
True or false: The smoke that was produced from the magnesium is just like the smoke that is produced in a normal campfire.
The final demonstration of a chemical change was when the two substances were stirred around in a beaker and the substance __________________