Property Changes in Chemical Reactions Quiz Review
Authored by Elizabeth Frawley
Science
7th Grade
NGSS covered
Used 2+ times
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37 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How many elements are shown?
1
2
3
4
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reactants will have different _________________ than the products
chemical reactions
properties
melting/boiling point, density, solubility
mixing, heating, cooling
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
One or more substances form from one or more other substances during a..
mixing, cooling, heating
product
reactant
chemical reaction
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This is the scientific law that states that matter cannot be created or destroyed.
law of Atomic Equations
law of conservation of matter
law of conservation of elements
law of conservation of energy
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you know when chemical reaction is happening?
Atoms remain in the same place and position in both a reactant and a product
Atoms in the reactants break apart and regroup to make one or more new products.
Atoms in products break apart and regroup to make one or more new reactants.
Chemical reactions are only visual. If can't see it, it hasn't happened.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the mass of the reactants and products during a chemical reaction?
The mass of the reactant is always higher than the mass of the product
The mass of the reactant is always lower than the mass of the product.
The mass of the reactant is always the same as the mass of the product.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the coefficient tell us (number to the left of the chemical formula)?
How many molecules there are in the reactant.
How many molecules there are in the product.
How many molecules of a particular substance there are.
How many atoms there are in a molecule.
Tags
NGSS.MS-PS1-5
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