Physical Science final 3.0

Quiz
•
Science
•
8th Grade
•
Medium
+6
Standards-aligned
Joshua Folkwein
Used 5+ times
FREE Resource
42 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which variable is changed on purpose in an experiment?
Dependent variable
Controlled variable
Independent variable
Random variable
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between a physical change and a chemical change?
Physical change alters composition, chemical change alters appearance
Physical change alters appearance, not composition
Chemical change alters appearance, not composition
Physical change creates new substances
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to keep controlled variables constant in an experiment?
To ensure a fair test
To change the outcome
To increase the number of variables
To make the experiment more difficult
Tags
NGSS.MS-PS2-2
NGSS.MS-PS3-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes a homogeneous mixture?
Unevenly mixed
Evenly mixed (solution)
Ionized gas, found in stars
Definite shape and volume
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a precipitate?
Starting substance in a chemical reaction
Substance formed as a result
Solid formed from a chemical reaction in a liquid
Combination of substances not chemically bonded
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term describes the starting substance in a chemical reaction?
Product
Reactant
Precipitate
Law
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A product in a chemical reaction is:
The starting substance
The solid formed in a liquid
The substance formed as a result
The combination of substances not chemically bonded
Tags
NGSS.MS-PS1-2
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