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4.Think about it activity
What do you know about MATTER, MASS, and MOLECULES?
Look at the pictures below. Read what is in each cup. Working with your partner, smart-guess which cup is the lightest. Mark it number 1. Which cup is the heaviest? Mark it number 6. Mark the other four cups in order of their weight.
______ (cup) 1 cup of water
______ (cup) 1 cup of glass marbles
______ (cup) 1 cup of cotton balls
______ (cup) 1 cup of sand
______ (cup) 1 cup of cooked rice
______ (cup) 1 cup of flour