Chemical Reactions Quiz
Quiz
•
Science
•
7th Grade
•
Medium
+2
Standards-aligned
Rylie Smith
Used 3+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these shows a chemical reaction?
Mixing vinegar and baking soda to create bubbles.
Melting ice to form water.
Breaking a glass into smaller pieces.
Dissolving sugar in water.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student mixes two liquids, and bubbles appear. What does this show?
A new solid formed.
A chemical reaction happened.
The liquids stayed the same.
The volume of the liquids increased.
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one is a chemical change?
Tearing paper into smaller pieces.
Burning a piece of paper.
Freezing water into ice.
Mixing oil and water.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to mass during a chemical reaction?
It increases.
It decreases.
It stays the same.
It disappears.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A clear liquid and a yellow liquid are mixed. The solution turns green, and bubbles form. What does this show?
A physical change happened.
A chemical reaction happened.
The liquids combined but did not react.
The reaction cooled down the liquids.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student heats a piece of metal until it glows red and then cools it down. Is this a chemical reaction?
Yes, because the metal changed color.
No, because the metal did not change chemically.
Tags
NGSS.MS-PS1-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You mix a white powder with water, and the solution gets cold. What kind of reaction is this?
Exothermic, because heat is released.
Endothermic, because heat is absorbed.
Physical change, because no new substance forms.
Combustion, because the powder reacts with water.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
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