Properties of Matter (2-2)-Physical Science

Information about Properties of Matter (2-2)-Physical Science

Published on September 8, 2008

Author: careysha

Source: authorstream.com

Content

Properties of Matter : Properties of Matter Chapter 2 - Matter Physical Properties : Physical Properties What are some examples of physical properties? Shape Mass Color Volume Texture Physical Properties : Physical Properties Physical properties can be observed without changing the identity of the substance. Physical Properties can be observed or measured : Physical Properties can be observed or measured Your senses can be used to identify some basic physical properties. What are some of these? Physical Properties can be observed or measured : Physical Properties can be observed or measured State is a physical property that you can observe. What are the three common states? Solid Liquid Gas Physical Properties can be measured : Physical Properties can be measured Melting and boiling point can be measured. How would you describe melting point? How about boiling point? Physical Properties can be measured : Physical Properties can be measured What are some other physical properties that can be measured? Strength Hardness Magnetism What do physical properties determine? : What do physical properties determine? They determine uses for the item. Ex.-aluminum for foil, clean socks, clothes match, etc. Density (Sound familiar?) : Density (Sound familiar?) Density is a measure of how much matter is contained in a certain volume of substance. Density = Mass/Volume Sounds like more 4-step word problems! Chemical Properties : Chemical Properties A chemical property describes how a substance changes into a new substance, either by combining with other elements or by breaking apart into new substances. Chemical Properties : Chemical Properties Chemical properties are usually not as easy to observe as physical properties. What is an example of a chemical property? Flammability and/or reactivity Differences : Differences Chemical and physical properties are different. How? Can observe phys. properties w/out changing the identity of a substance. Can observe chemical properties only in situations in which the identity of the substance changes.

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