Week 7 September 13,2018 - Classification of Matter

This week we began a new unit! Unit 2 Matter and its Properties has been our first venture into the wonderful world of chemistry. This past Thursday, students watched a short two-minute video covering What is Matter?, but I am posting a longer compilation of Matter videos below that includes the video we watched.

After watching the short video, students received a graphic organizer-Matter Diagram. We discussed how matter is a broad terms that breaks down into the more specific categories of Pure Substances and Mixtures. These categories break down into even more specific categories. During this class session, we specifically focused on Mixtures. The Composition of Matter Notes need to be entered into the interactive notebook across from the graphic organizer below.

Matter Diagram Graphic Organizer

Notes on Matter 

Next we distinguished between a homogenous mixture and a heterogenous mixture. We then used another graphic organizer sorting activity to distinguish between solutions (homogenous mixtures), colloids, and suspensions.

Solutions, Colloids, and Suspensions Sorting Activity

Here are the notes below that need to be entered into our interactive notebooks. 

Types of Mixtures Notes

Now that we'd discussed types of mixtures and distinguished between solutions, colloids, and suspensions, it was time to apply our knowledge in the lab. We made various mixtures by mixing 200ml of water with items such as milk, dirt, gelatin, and other common household items. We then made observations and used a flashlight to observe the Tyndall effect with our colloidal mixtures.

This week we will be looking at Chemical and Physical Properties, Physical and Chemical Changes, and Evidence of Chemical Reactions.