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8th Grade Physcial and Chemcial Changes
1. 8th Grade: Physical Science Standard 1 Students will understand the nature of changes in matter. Objective 1 Describe the chemical and physical properties of various substances. a.Differentiate between chemical and physical properties. By: Dr. Tracey Wheeler
2. Look at this picture. See if you can name items that have chemical and physical properties
3. Chemical Properties Properties that do change the chemical nature of matter Example: Chemical changes in matter Physical Properties Properties that do not change the chemical nature of matter Example: Changes in the states of matter Watch this video on chemical and physical properties
4. Physical properties are those that can be observed without changing the identity of the substance. The general properties of matter such as color, density, hardness, are examples of physical properties. Properties that describe how a substance changes into a completely different substance are called chemical properties. Flammability and corrosion/oxidation resistance are examples of chemical properties.
6. Check Your Knowledge Lets review your knowledge through this online quiz. Website
7. References Review and Practice of Chemical and Physcial Changes(http://www.teacherbridge.org/public/bhs/teachers/Dana/chemphys.html Youtube(http://www.youtube.com/watch?v=uJOGy0dgmUU)