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11 Cards in this Set
- Front
- Back
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Identify 3 physical properties
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Color, density, melting point
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What is the difference between a physical and a chemical change?
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A chemical change is a process that changes one substance into another substance. Physical changes do not change the substance itself.
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Identify 3 examples of chemical changes.
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rust
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Name the chapters and titles covered in this semester
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1. Nature of Science 15. Classification of Matter 16. Solid, Liquid, Gas 17. Properties of Atoms and the Periodic Table 18. Radioactivity and Nuclear Reaction 19. Elements and their Properties 20. Chemical Bonds and Their Properties
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What is a derived unit?
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A measurement unit for density
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What is density?
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Explain when to use various graphs.
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line graphL shows relationship between dependent variable changes due to changes in independent variable.
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What is an independent variable?
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What is a dependent variable?
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What is the difference between hypothesis and scientific law?
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A hypothesis is a possible explanation or educated guess. Scientific law is a statement about theory. Something has been proven through experiment. An explanation of things that happen in nature.
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What are the steps of the scientific method?
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state problem, gather information, form a hypothesis, test the hypothesis, analyze date, and draw a conclusion.
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