Materials: Name Card; ISN; Binder Reminder; highlighter One loose sheet of paper; ruler; scissors

Pg. 16 Question: Do different brands of gum affect the diameter of a bubble that has been blown?

Hypothesis: If you chew four pieces of gum, then the __________ brand will make the biggest bubble because…

Materials Needed: Each group needs: Gum: Orbit (sf); Bubble Yum; Super Bubble; Double Bubble Ruler Beaker tongs

Procedure: Take four pieces of different kinds of gum. Each student chews a piece for three minutes. During the last minute, practice making bubbles. Students will blow a bubble and measure, then record the results in a data table. Pair up to measure the diameter of your bubble (in cm). Use the beaker tongs and a ruler.

Create a Graph: Using the graph paper provided, create a graph. Make sure the graph includes the following features and rules. Title X – Axis Label Y – Axis Label Intervals (make sure they are equal) Key or legend

X – Axis and Y –Axis Y axis X - axis

Bubble Gum Lab Graph Types of bubble gum Size of Bubble (cm) Orbit Super Bubble Yum Double Bubble Bubble Types of bubble gum

Bubble Gum Lab Analysis: On a separate sheet, answer the following questions in complete sentences Which gum had the biggest bubble? Which gum had the smallest bubble? What was the independent variable? What was the dependent variable? What did you control in this experiment? What did you not control?

Conclusion: In a paragraph (five sentences) Tell which gum had the biggest bubble. Decide if you support or reject your hypothesis and explain. Also, explain what errors your team may have made and how you could make this a more controlled experiment.