
Unit 4 Practice Flashcard- Properties of Matter
Flashcard
•
Science
•
6th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a physical change?
Back
A physical change is a change in which the form or appearance of a substance changes, but its chemical composition remains the same. Example: Water freezing to ice.
2.
FLASHCARD QUESTION
Front
What is a chemical change?
Back
A chemical change is a change that results in the formation of new chemical substances. Example: A reaction that produces gas and increases temperature.
3.
FLASHCARD QUESTION
Front
What is a characteristic of a chemical change?
Back
A characteristic of a chemical change is a change in color.
4.
FLASHCARD QUESTION
Front
What is a homogeneous mixture?
Back
A homogeneous mixture is a mixture that appears to be evenly mixed throughout, with a uniform composition. Example: Saltwater.
5.
FLASHCARD QUESTION
Front
What is a heterogeneous mixture?
Back
A heterogeneous mixture is a mixture in which the components are not evenly distributed and can be easily distinguished. Example: Salad.
6.
FLASHCARD QUESTION
Front
What is the condensation point?
Back
The condensation point is the temperature at which a gas becomes a liquid.
7.
FLASHCARD QUESTION
Front
What happens during a physical change?
Back
During a physical change, the substance may change its state (solid, liquid, gas) or appearance, but its chemical identity remains unchanged.
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