RAI: Changes in Matter
Passage
•
Science
•
7th Grade
•
Practice Problem
•
Medium
Standards-aligned
Miricle Hawkins
Used 12+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a physical change?
A change that alters the form or appearance of matter without forming a new substance
A change that forms a new substance with different properties
A change that is always reversible
A change that involves the formation of a gas
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how cutting an apple and letting it sit out for several hours demonstrates a chemical change.
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3.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
When sugar is added to tea, there is a physical change because the sugar and water mix but remain the same substances. If you evaporate the water out of the mixture, the sugar will remain at the bottom of the cup. This demonstrates that physical changes are often (a) .
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a sign of a chemical change?
Change in color or odor
Melting of ice
Breaking a glass
Mixing sand and water
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe a real-world example of a chemical change you have observed and explain the evidence that indicates a chemical change occurred.
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6.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
A chemical change is a change in matter in which one or more new substances form. The new substances have different properties from the substances that existed before the change. For example, the elements hydrogen and oxygen react with each other to form the compound (a) .
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What distinguishes a chemical change from a physical change?
Chemical changes form new substances with different properties, while physical changes do not.
Physical changes are always irreversible, while chemical changes are reversible.
Chemical changes involve the formation of a gas, while physical changes do not.
Physical changes always involve a change in color or odor.
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