More Magnifiers

Students found out that in order to be transparent an object must be see through and we used a flashlight to show that:

Then the students explored objects to see if they met the criteria for a magnifier  (the dropper was used to test a drop of water and a drop of chocolate milk):

They recorded their answers on these worksheets:

Then we used the knowledge learned during the exploration activity to create this venn diagram (transparent,curved surface or both)