Reactant Amounts for Flameless Heaters
7th GradeScience40 min
Learning Objective
I can determine the appropriate amount of reactants needed for an effective flameless heater.
Lesson Flow
Watch Video
Guided Notes
Key concepts students will learn:
- •
A 6 lb container of Crisco vegetable shortening can burn for up to 72 days at 8 hours a day, while a 3 lb container can burn for 36 days at 8 hours a day.
- •
To make emergency candles, melt the vegetable shortening, pour it into wide-mouth mason jars, and insert a wick.
- •
It is not recommended to burn the candle directly in the original container due to safety concerns; instead, use mason jars.
Practice
6 questions • Multiple choice & Short answer
Exit Ticket
“You have a 6 lb tub of Crisco vegetable shortening. According to the video, how many 32 oz candles can you make from this one tub?”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
