Science Fair Time

 Because Caroline is in my Integrated Science class, she is required to do the dreaded "science fair project" this year.  Yes, Caroline is one of my students, and no, it wasn't my first choice.  But I'm the only 7th grade teacher who teaches this advanced class, so she's stuck with me :)
We did a DNA extraction lab in class with dried peas and Caroline thought it was a neat idea.  So she expanded on that lab to do a project on different fruits.  She wanted to see if the pH level of the fruit affected how much DNA can be extracted from that fruit.  Her hypothesis was that the fruit with lowest pH (highest acidity level)--the lemon--would have the most DNA.  She tested strawberries, bananas, apples, oranges, lemons, and kiwi.  I set everything up for her, but Caroline ran all of the trials herself.  
The KGMS Science Fair is next Wed, January 21st.  We'll see how Caroline's project does in the fair!

See the top layer of floaty white stuff?  That's the DNA!

Pouring the chilled isopropyl alcohol into the graduated cylinder.