Chapter 1 lesson 1.1 and 1.2 - Work Hard.pptx

Study hard as much as you can.

1. Chapter 1 Matter and its Properties Lesson 1.1 The Particulate Nature of Matter

2. Chemistry – is the study of matter and the changes it undergoes. Matter- define as anything that has occupies space and has mass. Which is Not matter: Energy Sound Light

3. Practice Exercises Identify the following if each is matter or not. Sound of a police siren 9. bouquet of flowers Airplane 10. dozen of donuts Books on a shelf Heat from a fire Block of ice Light from a torch Pair of shoes Information from the internet

4. 1.2 States of Matter Three States of Matter Solid – has a fixed shape that does not conform to the container shape. Liquid – conforms to the container shape but fills the container only to the extent of the liquid’s volume; thus a liquid forms a surface. Gas – conforms to the container shape also, but it fills the entire container, and thus, does not form a surface.

5. Exercises Give at least 5 examples of solid, liquid, and gas that are found in your home. Answer the following questions. Have you tried getting a very cold soft drink from your refrigerator or buying one from the store? What did you observe outside the soft drink bottle after a while? What do you think is this? Explain how it happen.

6. 2. As scientific and technological knowledge increase, our society used resources at an even-increasing rate. This results to generation of more wastes, usually solid wastes. List at least 5 materials we discard as solid wastes and suggest ways of reprocessing or recycling these materials.