
Reactions Quizizz
Authored by Nicole Becker
Science
8th Grade
NGSS covered
Used 18+ times

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80 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a catalyst work in speeding up a reaction?
By lowering the activation energy or reaction
by giving them more energy
by making them more available
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A substance that increases the rate of a reaction without being used up during the reaction is called a
catalyst
product
reactant
solute
Tags
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the name given to a catalyst in the human body?
Biology
Catalyst
Chemical
Enzyme
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the following equation balanced?
Al + O2 ---> 2Al2O3
YES
NO
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number before a chemical formula called?
Example: 2H2 + O2 ---> 2H2O
Coefficient
Atom
Subscript
Equation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete the sentence.
During a chemical reaction, atoms ________.
can appear
can disappear
get rearranged
stop moving and vibrating
Tags
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the Law of Conservation of Mass?
It states that matter cannot be created or destroyed.
It states that energy cannot be created or destroyed.
It states that matter can be created or destroyed.
It states that sound can be created or destroyed.
Tags
NGSS.MS-PS1-5
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