A great lab to demonstrate that crystal solids are made of alternating, repeating patterns! Students make "crystals" out of marshmallows and toothpicks.
Main topics: crystals, solids, solid formation.
Quick and easy to use. Students always working with marshmallows (for some reason).
If you like this activity, you can follow these links to other lessons and activities in my change of state unit.
Physical Properties of Matter PowerPoint Presentation
States of Matter PowerPoint Presentation
Change of State PowerPoint Presentation
Physical Properties of Matter Activity
Change of State Lab
States of Matter Quiz