6.3+CRYSTALS,+ROCKS+AND+GLASS+MADE+OF+SUGAR

=**Lesson Title:CRYSTALS, ROCKS AND GLASS MADE OF SUGAR**=

=Objectives:= •Students will follow the directions from the activity sheet to make Sugar Rocks (Rock Candy). •Students will be able to explain the chemistry behavior of sugar in presence of water and heat by answering the questions with at least 60% of accuracy. =PA State Standards:= Explain why **compounds** are composed of integer ratios of **elements.**
 * 3.2.10.A2: ** Compare and contrast different bond types that result in the formation of molecules and compounds.
 * S11.A.2.1.1: ** Critique the elements of an experimental design (e.g., raising questions, formulating hypotheses, developing procedures, identifying variables, manipulating variables, interpreting data, and drawing conclusions) applicable to a specific experimental design.
 * S11.A.2.1.2: ** Critique the elements of the design process (e.g. identify the problem, understand criteria, create solutions, select solution, test/evaluate, communicate results) applicable to a specific technological design.
 * S11.A.2.1.3: ** Use data to make inferences and predictions, or to draw conclusions, demonstrating understanding of experimental limits.
 * S11.A.2.1.4: ** Critique the results and conclusions of scientific inquiry for consistency and logic.
 * S11.A.2.1.5: ** Communicate results of investigations using multiple representations

=**Essential Questions:**= What is sugar?

Provide help and support when needed. || Students will work in groups of three of four to make Sugar Rocks. Students will follow the instructions provided in the **//1 How to make Sugar Rocks (Activity sheet)//**.
 * Time Frame || The Teacher will… || The Student will… ||
 * Introduction/ Hook and Link || Ask students the EQ and encourage an answer outside of white and sweet. || Try to create a creative answer to explain what sugar is. ||
 * Body || Introduce the lab and give explanation before students start on their own.

During the wait time, (While the boiling water is cooling down, or when the procedure is finished) Students will read the **//2 What is sugar (Content Sheet)//** and answer the **//3 What is Sugar (Question Sheet).//** The question sheet will asses the students’ reading comprehension. ||
 * Closure || Teacher will show the video How to make Sugar glass, provided in the **//4 How to make Sugar Glass (Activity sheet)//**, to show more examples of the chemistry behavior and real world applications of sugar. Students will not create the sugar glass in class. But, they will be able to make some for the final project. || Watch the video and record notes as necessary. ||
 * Homework ||  || None ||

Informal Check: hand raising, group share, pair share, questioning Observation/ Dialogue: Discussion of simulation, questioning, lab Academic Prompt: Respond to the EQ orally Performance task/ Project: lab, WS Special needs: Accommodations/ Modifications Questioning Step by Step directions Paring

=Resources Used:=

Sugar PowerPoint.

How to make Sugar Rocks (Activity sheet) (Instructions, materials and link to the video are also included in the Activity Sheet) [|**http://video.about.com/chemistry/How-to-Make-Rock-Candy.htm**] **Materials (Per Group)** **•1 cup water •3 cups table sugar (sucrose)** **•Clean glass jars (More than one might be necessary) •Pencil or butter knife** **• Thick cotton thread a few inches longer than the height of the jar ** **•Spoon or stirring rod •Pan or bowl for boiling water and making solution** **•Stove or Bunsen burner to boil the water.** **•Coffee filter or paper towel to cover the glass jar with the sugar solution** **• Food coloring or Food Flavoring (Optional)** What is sugar (Content Sheet) What is Sugar (Question Sheet) How to make Sugar Glass (Activity sheet) (Instructions, materials and link to the video are also included in the Activity Sheet) []

[|**http://candy.about.com/od/hardcandyrecipes/r/rock_candy.htm**] [|**http://chemistry.about.com/od/growingcrystals/ht/blsugarcrystal.htm**] [|**http://video.about.com/chemistry/How-to-Make-Rock-Candy.htm**]