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WorksheetsConservation of Mass Review
Total questions: 14
Worksheet time: 18mins
What is a measure of the amount of matter?
mass
volume
weight
density
Anything that has mass & takes up space
gravity
force
matter
volume
What is the smallest unit of matter?
compound
atom
molecule
product
What unit do we use to measure mass?
grams (g)
inches (in)
miles (mi)
minutes (min)
Substances present at the start of a chemical reaction
subscripts
coefficients
reactants
products
Substances that form as the result of a chemical reaction
products
reactants
coefficients
subscripts
What is the Law of Conservation of Mass?
Mass is created in a chemical reaction
Mass is created in a physical change
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
Mass is never created or destroyed
A 55-gram egg is placed in a pot. After the egg is boiled, which is most likely the mass of the egg?
50
55
12g of Carbon react with 16g of Oxygen, how much of the product should be formed? (Hint: add the mass of the reactants!)
28 g
4g
30g
12g
Does this image show conservation of mass?
Yes
No
