Boiling happens everywhere in the liquid. Evaporation happens on the surface of a liqui
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15
What is a substance?
A single kind of matter that always has a specific makeup (Macro). Similar to a compund, but bigger
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What are the characteristics of a gas?
Doesn't have a defnite shape or volume. Tries to fill any container it's in. Least dense. It's particles freely move.
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What is a heterogeneous mixture?
A mixture where you can see the different parts
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What is a compound?
2 or more atoms of at least 2 different elements bonded together (Micro)
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What is thermal energy?
The energy contained within a system that is responsible for its temperature. It comes from the movement of it's particles (faster movement = higher temperature
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15
What unit is force measured in?
Newton
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what is a physical property?
A property that can be observed without changing the matter into another type of matter. Includes: Texture, hardness, luster, density
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thief
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fairy
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gift
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lifesaver
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What are the types of nuclear energy and what is the difference? Which is strongest?
Fusion and fission. Fusion is joining atoms (the nuclei) and fission is splitting them. Fusion is stronger.
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Water and CO2 in leaves is converted to oxygen and sugar: What kind of property does this describe?
A chemical property because the water and CO2 are CHANGING into sugar and oxygen. They become something different from what they originally were.
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How is a molecule different from a compound?
A molecule is may only be made of one element, whereas a compound will always have at least 2 elements.