Mrs. Vandenbos' Chemical Reaction 2nd Review
Authored by Elizabeth Vandenbos
Science
7th Grade
NGSS covered
Used 38+ times
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38 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false? Chemical reactions are easily reversible
True
False
Tags
NGSS.HS-PS1-6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or false: A change in state is a chemical reaction
True - something melting would be an example of a chemical reaction
False - a change in state is a physical change
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a word equation, the starting chemicals are called...
reactants
products
ingredients
Tags
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In this chemical reaction, which is the product/s?
Magnesium + Oxygen --> Magnesium oxide
magnesium
magnesium and oxygen
magnesium oxide
oxygen
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sometimes, compounds can be broken down into simpler substances. What type of reaction is this?
combustion
oxidation
decomposition
displacement
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chemical reaction, the temperature is measured and it appears to increase. Is this an example of an exothermic or endothermic reaction?
exothermic
endothermic
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A process in which one or more substances change to form one or more new substances with different chemical makeups.
chemical reaction
precipitate
physical change
law of conservation of mass
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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