Elements, Compounds, Mixtures

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Science
•
6th - 8th Grade
•
Hard
Wayground Content
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15 questions
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1.
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, gold, and hydrogen.
2.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance formed when two or more elements are chemically bonded together. Examples include water (H2O) and carbon dioxide (CO2).
3.
FLASHCARD QUESTION
Front
What is a mixture?
Back
A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means. Examples include salad and air.
4.
FLASHCARD QUESTION
Front
What is a homogeneous mixture?
Back
A homogeneous mixture is a mixture that has a uniform composition throughout. An example is saltwater.
5.
FLASHCARD QUESTION
Front
What is a heterogeneous mixture?
Back
A heterogeneous mixture is a mixture that does not have a uniform composition and the different components can be seen. An example is a bowl of cereal.
6.
FLASHCARD QUESTION
Front
What is a colloid?
Back
A colloid is a type of mixture where tiny particles of one substance are evenly distributed throughout another substance. An example is fog.
7.
FLASHCARD QUESTION
Front
What is a solution?
Back
A solution is a homogeneous mixture where one substance (the solute) is dissolved in another (the solvent). An example is sugar dissolved in water.
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