
Pure Substances and Mixtures Flashcard
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 pure substance?
Back
A pure substance is a material that has a constant composition and consistent properties throughout. Examples include elements and compounds.
2.
FLASHCARD QUESTION
Front
What is a mixture?
Back
A mixture is a combination of two or more substances where each substance retains its own properties. Mixtures can be homogeneous or heterogeneous.
3.
FLASHCARD QUESTION
Front
What is an element?
Back
An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include oxygen (O) and gold (Au).
4.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a pure substance formed when two or more elements chemically combine in fixed proportions. Examples include water (H2O) and carbon dioxide (CO2).
5.
FLASHCARD QUESTION
Front
What is a homogeneous mixture?
Back
A homogeneous mixture is a mixture in which the components are evenly distributed and not easily distinguishable. An example is saltwater.
6.
FLASHCARD QUESTION
Front
What is a heterogeneous mixture?
Back
A heterogeneous mixture is a mixture where the components are not evenly distributed, and individual substances can be seen. An example is a salad.
7.
FLASHCARD QUESTION
Front
What is a solution?
Back
A solution is a type of homogeneous mixture where one substance (the solute) is dissolved in another (the solvent). An example is sugar dissolved in water.
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