
Category 1 Review (8.5E)
Presentation
•
Science
•
8th Grade
•
Easy
Standards-aligned
Karina Arias
Used 1+ times
FREE Resource
3 Slides • 5 Questions
1
Category 1 Review (8.5E)
The Law of Conservation of Mass
2
3
How do we know if it follows the Law of Conservation of Mass?
EAT Chart for the Reactants
EAT Chart for the Product
If Reactants and Products are equal it is a balanced equation, therefore, it follows the Law of Conservation of Mass
4
Multiple Choice
The law of conservation of mass says substances can neither be ____________ nor_________.
created; destroyed
condensed; extracted
5
Multiple Choice
Sodium and chlorine combine t form sodium chloride, or table salt. Sodium and chlorine are:
products
reactants
6
Multiple Choice
4 grams of hydrogen and 32 grams of oxygen will combine to form:
36 of deuterium
32 grams of oxygen
28 grams of hydroxide
36 grams of water
7
Multiple Choice
Which of the following describes a chemical reaction?
ice melts into water
carbon dioxide freezes to make dry ice
oxygen interacts with iron to form rust
rocks split apart over many years due to weathering
8
Multiple Choice
When sodium and chlorine combine to form sodium chloride, sodium chloride is the:
product
reactants
Category 1 Review (8.5E)
The Law of Conservation of Mass
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