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Physical science.. 2

QuestionAnswer
1.What is a change in size, shape, form, or state of matter? Physical change
2.What is a characteristic of matter that can be observed as it changes to a different type of matter? Chemical property
3.What is a change in matter in which the substances that make up the matter change into other substances with new physical and chemical properties? Chemical change
4.Energy change is an example of a what? Chemical change
5.Bubbles are a result of what? Chemical change
6.Color change indicates what? Chemical change
7.A change in odor means a what has occurred? Chemical change
8.What are substances that are present before a chemical reaction? Reactants
9.What kind of sign separates two reactants or products? Plus
10.What are any new substances formed during a chemical reaction? Products
11.What is the amount of substance in a certain volume? Concentration
12.Density is an example of what? Physical property
13.Matter can be classified as either a substance or a what? Mixture
14.A change in energy can also change what? State of matter
15.What includes the ability to burn, acidity. and ability to rust? Chemical properties
16.What is equal before and after a change in matter? Masses
17.When something dissolves, it mixes evenly in what? A substance
18.Chemical equations are useful because they show what happens during a what? Chemical reaction
19.A higher what usually increases the rate of reaction? Temperature
20.What also affects reaction rate if at least one reactant is a solid? Surface area
Created by: 12tuffy34
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