Grace's Inquiry-Marshmallows

1.  Why do marshmallows expand in the microwave?

2.   http://scienceline.ucsb.edu/getkey.php?key=783

http://www.newton.dep.anl.gov/askasci/chem03/chem03338.htm

• I learned marshmallows have tiny holes.                                                            

• I learned they’re made of sugar.
• I learned they expand in heat.

3.  Hypothesis:  The heat melts them to make them gooey.

http://www.newton.dep.anl.gov/askasci/chem03/chem03338.htm

4.

5.  It deflated and it got crispy.  I really like it crispy.

6.  I guessed that because the heat would make marshmallows expand and make them gooey.  They expand because it is full of air.  The air then expands and gets all gooey.  They’re made of gelatin that melts fast.