CK-12 Physical Science Concepts - For Middle School

2.3. Density http://www.ck12.org Summary Density is an important physical property of matter. It reflects how closely packed th ...

http://www.ck12.org Chapter 2. Matter 2.4 Chemical Properties of Matter Define chemical property. Describe examples of chemical ...

2.4. Chemical Properties of Matter http://www.ck12.org Flammability Flammabilityis the ability of matter to burn. When matter bu ...

http://www.ck12.org Chapter 2. Matter Explore More The chart below shows the reactivity of several different metals. The metals ...

2.5. Elements http://www.ck12.org 2.5 Elements Define element. Describe how properties of different elements compare. Outline t ...

http://www.ck12.org Chapter 2. Matter Elemental Properties Each element has a unique set of properties that is different from th ...

2.5. Elements http://www.ck12.org A:Carbon is the most common element in living things. It has the unique property of being able ...

http://www.ck12.org Chapter 2. Matter Each element has a unique set of properties that is different from the set of properties ...

2.6. Compounds http://www.ck12.org 2.6 Compounds Define compound, and give examples of compounds. Contrast the properties of co ...

http://www.ck12.org Chapter 2. Matter Q:How could a water molecule be represented? A:It could be represented by a model like the ...

2.6. Compounds http://www.ck12.org A:Sodium chloride is an odorless white solid that is harmless unless consumed in large quanti ...

http://www.ck12.org Chapter 2. Matter molecule: Smallest particle of a compound that still has the compound’s properties. Expl ...

2.7. Mixtures http://www.ck12.org 2.7 Mixtures Define mixture, and give examples of mixtures. Contrast homogeneous and heteroge ...

http://www.ck12.org Chapter 2. Matter A:Other examples of liquid mixtures include salt water and salad dressing. Air is a mixtur ...

2.7. Mixtures http://www.ck12.org TABLE2.1: Solutions, Suspensions, and Colloids Type of Mixture Description Solutions Asolution ...

http://www.ck12.org Chapter 2. Matter mixtures vary in physical properties such as these, processes such as boiling, dissolving, ...

2.7. Mixtures http://www.ck12.org or filter out of the mixture. mixture: Combination of two or more substances in any proportio ...

http://www.ck12.org Chapter 2. Matter 2.8 Physical Change Define physical change, and give examples of physical change. Explain ...

2.8. Physical Change http://www.ck12.org FIGURE 2.15 Q:In theFigure2.15, what physical changes are occurring? A:The paper is bei ...

http://www.ck12.org Chapter 2. Matter http://www.youtube.com/watch?v=WIOlnXbRpuk (3:03) MEDIA Click image to the left for use th ...