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PBS - Physical Vs. Chemical Changes Video Analysis

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Last updated 23 days ago
11 questions
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Use the video at the link below to help you answer the following questions: https://www.pbs.org/video/physical-vs-chemical-changes-36309/

Question 1
1.

The ice, water and boiling water were examples of _____________ changes.

Question 2
2.

True or false: When the liquid water was becoming steam, a new substance was being made.

Question 3
3.

True or false: The cracker being crushed by the bowling ball was so powerful that a chemical change happened.

Question 4
4.

True or false: A physical change is when you have a different product (cracker squares, cracker powder) but the substance is the same.

Question 5
5.

When the vinegar and baking soda was in the plastic bag, one clue that a chemical change was happening is that ______________

Question 6
6.

Which of these was NOT a sign of a chemical change in the baking soda and vinegar example?

Question 7
7.

When vinegar was combined with the calcium chloride, the bag _____________________.

Question 8
8.

An endothermic reaction ___________ heat.  An exothermic reaction ______________ heat.

Question 9
9.

The chemical change that occurred when vinegar was mixed with milk produced __________________.

Question 10
10.

True or false: The smoke that was produced from the magnesium is just like the smoke that is produced in a normal campfire.

Question 11
11.

The final demonstration of a chemical change was when the two substances were stirred around in a beaker and the substance __________________