
Changes in Matter Quiz

Quiz
•
Science
•
8th Grade
•
Hard
+1
Standards-aligned
Suzanne Hummer
FREE Resource
37 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is an example of a physical change?
Burning wood
Melting ice
Rusting iron
Baking a cake
Answer explanation
Melting ice is a physical change because it involves a change in state from solid to liquid without altering the chemical composition. In contrast, burning wood, rusting iron, and baking a cake involve chemical changes.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which process represents a chemical change?
Dissolving sugar in water
Boiling water
Iron reacting with oxygen to form rust
Breaking a glass
Answer explanation
Iron reacting with oxygen to form rust is a chemical change because it results in the formation of a new substance (rust). In contrast, dissolving sugar, boiling water, and breaking glass are physical changes.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is a sign that a chemical change has occurred?
Change in shape
Change in size
Formation of a gas
Melting
Answer explanation
A sign that a chemical change has occurred is the formation of a gas. This indicates a new substance is created, unlike physical changes such as change in shape or size, or melting, which do not alter the substance's chemical identity.
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is NOT a physical change?
Freezing water
Cutting paper
Burning a candle
Crushing a can
Answer explanation
Burning a candle is a chemical change, as it transforms the wax into new substances through combustion. In contrast, freezing water, cutting paper, and crushing a can are all physical changes that do not alter the substance's chemical identity.
Tags
NGSS.MS-PS1-2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which observation best indicates a chemical reaction has taken place?
Water evaporates
A solid forms when two liquids are mixed
Ice melts
Salt dissolves in water
Answer explanation
A solid forming when two liquids are mixed indicates a chemical reaction, known as a precipitation reaction. This is a clear sign of a new substance being created, unlike the other options which are physical changes.
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is an example of a chemical change?
Tearing paper
Boiling water
Baking bread
Dissolving salt
Answer explanation
Baking bread is a chemical change because it involves a transformation of ingredients into new substances through chemical reactions, unlike tearing paper, boiling water, or dissolving salt, which are physical changes.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following changes is most likely to be a physical change?
Silver tarnishing
Water boiling
Wood burning
Milk souring
Answer explanation
Water boiling is a physical change as it involves a change in state from liquid to gas without altering the chemical composition. In contrast, silver tarnishing, wood burning, and milk souring involve chemical changes.
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