Halloween Lab

Download Report

Transcript Halloween Lab

Dry Ice Floating Bubble
& Root Beer Float
Halloween Lab!
Bell Work 10/30/15
Bell Work 10/30/15
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
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.
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?
Compare & Contrast
With your elbow partner, share your
conclusion on how this happened in your
Science Notebook.
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)
Disappearing Ice!
• Share your conclusions in your science
notebook.
EXIT TICKET
• What is the chemical symbol for
potassium?
• How do you determine the number of
neutrons in an atom?
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.