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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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thief
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star
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fairy
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lifesaver
Give 15 points!
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eraser
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magnet
Take 20 points!
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fairy
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lifesaver
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What is energy?
The ability to do work or cause change
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What is a chemical property?
Charateristics that describe something's ability to become something else. Include: flammability, reactivity, radioactivity, corrosion
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What is potential energy?
Energy that results from the position or shape of an object. For ex: Abike at the top of a hill, or a rubberband.
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What are the two types of mixtures?
Homogenous and heterogeneous
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What unit is work measured in?
Joules
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What is a heterogeneous mixture?
A mixture where you can see the different parts
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What is the law of conservation of matter/energy?
It says matter/energy can niether be created or destroyed, only changed.
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monster
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star
Double points!
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rocket
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banana
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What is a molecule?
2 or more atoms bonded together
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What is the type of potential energy that comes from vertical position?
Gravitational potential energy. Ex: Anything in the air or a high position. Ex: A plane,or a cat at the top of stairs.
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What is density?
How tightly packed a mass is
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What is sublimation?
It is the process of a solid turning directly into a gas, skipping the liquid phase.
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Where does evaporation happen?
On the surface of the liquid. Molecules slowly gain energy until they vaporize and become a gas one at a time.
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