1. Fill in the blanks.
a) Matter is made up of small_________.
b) The forces of attraction between the particles are _______ in solids, ______ in liquids and _________ in gases.
c) Solid, liquid, and gas are called the three _______ of matter.
Answer
a) particles
b) maximum, intermediate and minimum
c) state
2. True/ False:
a) Water at room temperature is a liquid.
b) Atoms in a liquid are farther apart than the atoms in a gas.
c) The molecules in a gas are in constant motion.
Answer
a) True
b) False
c) True
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