
Heat Pack Chemistry Concepts

Interactive Video
•
Physics, Chemistry, Science
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction occurs when a heat pack releases heat?
Exothermic chemical reaction
Endothermic chemical reaction
Exothermic physical change
Endothermic physical change
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process called when a liquid becomes a solid in the context of a heat pack?
Sublimation
Crystallization
Condensation
Evaporation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many food calories are approximately in a peanut according to the video?
3,000 calories
3 kilocalories
300 calories
30 kilocalories
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of clicking the button on a heat pack during the experiment?
To create a nucleation site
To start an endothermic reaction
To dissolve sodium acetate
To measure the temperature
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What substance is supersaturated in the heat pack used in the experiment?
Potassium nitrate
Sodium acetate
Calcium carbonate
Sodium chloride
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the heat pack be reused after the experiment?
By microwaving it
By shaking it
By boiling it
By freezing it
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential extension activity mentioned in the video?
Measuring the temperature of snowflakes
Calculating the specific heat of water
Using the specific heat of sodium acetate
Creating a new type of heat pack
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