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Science Facts:
Objective 3 facts 14-26
Question | Answer |
---|---|
Can be observed without changing the substance into something else | physical property |
Can only be observed when a substance interacts with another substance | chemical property |
A change that alters the form or appearance of a material but does not make the material into another substance | physical change |
A change in matter that produces a new substance | chemical change |
Refers to the ability of a substance to absorb heat | specific heat |
This is what a substance has when it has the ability to absorb a large amount of heat energy without a significant change in temperature | high specific heat |
This is what a substance has when there is a significant change in temperature even when just a small amount of heat energy is added | low specific heat |
The transfer of heat through direct physical contact | conduction |
The direct transfer of energy by electromagnetic waves and does not require direct contact | radiation |
The transfer of heat by the movement of currents within a liquid or gas | convection |
A reaction that absorbs energy | endothermic reaction |
A reaction that releases energy | exothermic reaction |
The substances that enter into a chemical equation | reactants |
The substances that are formed during a chemical equation | products |