

Conservation of mass pt 2
Presentation
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Easy
+5
Standards-aligned
Alex Davila
Used 5+ times
FREE Resource
5 Slides • 5 Questions
1
Match
4CF2Cl3
carbon
fluorine
chlorine
4
8
12
4
8
12
2
Conservation of Mass pt2
SWBAT: describe how the total number of atoms does not
change in a chemical reaction and thus mass is conserved by
developing and using models.
- I will be able to discuss with my partner why the formulas follow the conservation of mass, and calculate the atoms per element to figure out whether they follow the law of conservation of mass.
3
Open Ended
Does this chemical equation follow the law of conservation of mass?
Look first 1min
Discuss with your partners for 1 minute each.
Write 2 min
Use words: Reactants, products, balanced, mass.
4
Categorize
Yesterday we learned that if a chemical formula follows the law of conservation of mass, it must have the same atoms and elements on both sides (reactants and products). Separate these chemical equations into the ones that follow the law or not.
5
Log into Clever
Look for Explore Learning-Rostering
Click on Gizmos
Search "chemical changes"
Click on first option
GIZMOS
6
I will give you a paper
Write down the numbers.
Initial mass and Final mass
after each reaction.
Make sure you select closed system or collect gas.
Teacher not: show in the camera.
7
Open Ended
What did you notice about the initial mass and the final mass for each?
8
Open Ended
What would happen if you did not select closed system or collect gas? Would they have the same mass, why do you think that is?
9
Voice Level 0
Work Independently
Read first then answer Questions
10 min
Click on the link:
https://quizizz.com/join?gc=97509941
Reading to Learn
10
Exit ticket
Join new Test Quiz
4CF2Cl3
carbon
fluorine
chlorine
4
8
12
4
8
12
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