31

. Food coloring plus bleach demonstration. Evidence of Change (pg 117) 1) Describe any changes in the solution? 2) Did a new substance form? . Through demonstration, I will illustrate the terms matter, mass, and properties using a variety of interesting stuff. Blindfolding them, we will describe "properties" of items, and see if we can guess them. . First of all, are there any allergies in the room I need to know about. Peanuts, etc.. Through demonstration, I will illustrate the terms matter, mass, and properties using a variety of interesting stuff. Blindfolding them, we will describe "properties" of items, and see if we can guess them. Have them wear aprons, it might scare them :) Ideas include . Cheerios, Peanut butter, jelly, play-doh. Whatever else I can dig up from kitchen and return that day. . Define chemistry, mass, volume, density, matter, physical property, chemical property . What is a chemical property of flash paper?
 * Act One (Entry Task)**
 * Act Two (Anticipatory Set, Modelling, Demonstration)**

They will go to the lab stations to measure the mass of four small objects, and to take properties (evaluation) of them. Yes, I recognize we have done this before. This time, it will be six compounds, where you weigh the petri dish, then the compound, then subtract the two. I should probably have a table for them to fill out, so they figure out how to do this. They also need physical properties of the things as well. . . The lab part will take more then 10 minutes, therefore, it will take 2 acts. . . Once the lab is done, we will call them back and evaluate the mass measurements. We will then perform the demonstration of why does ice float in water, but it will sink in alcohol (I could put the water in a bottle and pour it out, see bottom of page 6). Remember to set them up. Two "bottles of water." . Question: What property is in play here? . If we have time, I will have questions for them to answer (photocopy) from the back of the book.
 * Act Three (Lecture/Notes/Reading)**
 * Act Four (Lecture/Notes/Reading)**
 * Act Five: (Guided Practice)**
 * Act Six (Independent Practice/Closure)**