Materials: salt, sugar, sand, ice, water, juice, cookies, helium balloon, syrup, wooden blocks, toothpaste, pencils, empty glass jar with lid, cups Teacher Knowledge: Solids - salt, sugar, sand, ice, cookies, blocks, pencils, jar, cups, balloon Liquids - juice, water, syrup, Gases - air in jar, helium in balloon Properties of solid and liquid - toothpaste Helpful Hints: Put items in clear cups so students can observe better.
(students; can observe better; )
students
can observe better