Warm Ups 8.24.11
8.29.11
You should wear closed toe shoes in the laboratory; not open toed shoes.
8.30.11
1. What is the affect of rubbing alcohol on ice? Pour alcohol on ice.
2. Can salt keep ice frozen longer? Have two same sized ice cubes, one covered in salt. Leave them our, timing how long it takes for them to melt.
9.1.11
How long is the yarn> Will the scissors or knofe cut the yarn more cleanly?
9.2.11
Comparative investigations compare two things, while experimental investigations determines how a variable affects a group.
9.7.11
-What will happen to the appearance of the baking soda when put in vinegar?
-Will there be a reaction with vinegar and baking soda, rather than vinegar alone?
-Does the amount of baking soda in vinegar cause a larger reaction?