Chemical Interactions Review

Quiz
•
Science
•
6th - 8th Grade
•
Medium
+2
Standards-aligned
Amy Lee
Used 91+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is a chemical reaction?
A process in which starting substances change into different substances.
a form of matter with a unique composition
an interaction between two substances in which one breaks apart and intermingles with the other
the result of a change of energy in the particles of a substance.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is not an example of a chemical reaction?
iron rusting
fireworks
baking soda and citric acid together forms carbon dioxide gas
melting ice
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What always occurs during a chemical reaction?
bubbles
color change
a new substance is formed
one substance melts
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What happens to the atoms in substances when a chemical reaction occurs?
some of the atoms are destroyed
atoms rearrange to form new substances
new atoms are created
atoms melt
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is in between gas particles?
energy
gas
nothing; dead space
more particles
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is an element?
made of two or more different kinds of atoms
building block of matter that cannot be broken into simpler substances
the smallest piece of a substance that is still that substance
the smallest part of an element
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why did Mendeleyev change the layout of the elements on the Periodic Table into rows and columns?
He put all the metals on one side of the table
He wanted it all to fit on one page instead of in a long line
He put elements with similar characteristics in the same column
He ordered them from the lightest elements to the heaviest elements
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