Chemical Reactions
Interactive Video
•
English
•
7th Grade
•
Practice Problem
•
Medium
Elizabeth Strange
Used 284+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the Reactants?
The chemicals that you have at the beginning of the experiment.
The chemicals that you have at the end of the experiment.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The new substance or substances that are formed are called the
Reactants
Products
Reaction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do you THINK the chemical reaction is that she is talking about?
Air in the tires
Rust on the bike
something under the microscope
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is rust in this example?
The Reactant
The Product
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Iron is a(n)
compound
element
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many brown marshmallows (IRON atoms) are there?
2
4
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many red marshmallows (OXYGEN atoms) are there?
2
4
6
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