1. Dry Ice Floating Bubble & Root Beer Float Halloween Lab!

2. Bell Work 10/30/15

4. Student Learning Objectives: SPI 9.1 Recognize that all matter consists of atoms SPI 0807.9.9 Use the periodic table to determine the properties of an element. TOC: # Halloween Lab

5. Disappearing Ice Demonstration! Place two paper plates on table One plate holds dry ice One plate holds liquid ice At the end of class, let’s see what happened.

6. Dry Ice Floating Bubble Demonstration Materials: Gloves, dish soap, water, a small cup, a large bowl, a bubble blower, glow sticks, and DRY ICE! Steps: 1.Add some dish soap to small cup 2.Add water to cup & mix 3. Add some water to a bowl 4. Use gloves and add DRY ICE to the bowl 5. Add glow stick 6. Blow bubble into bowl What Happened?

7. Compare & Contrast With your elbow partner, share your conclusion on how this happened in your Science Notebook.

8. Root Beet Floats: States of Matter Measure ½ cup of root beer and pour into cup. Next add 1 scoop of ice cream. Slowly add more root beer to the cup and observe what happens. What is produced? Is this a physical or chemical change? In your SNB, draw and label the solid, liquid, and gas produced when making the root beer float (ice cream, root beer, air bubbles)

9. Disappearing Ice! Share your conclusions in your science notebook.

10. EXIT TICKET What is the chemical symbol for potassium? How do you determine the number of neutrons in an atom?

11. EXIT TICKET What is the chemical symbol for potassium? K How do you determine the number of neutrons in an atom? Subtract atomic number from atomic mass.