1) Which of these balloons is under greater pressure? a) A b) B 2) Complete the sentence: Right now particles are... a) moving b) staying still c) dancing d) learning 3) Which two things is pressure of a gas affected by? a) pressure b) temperature c) time d) number of particles 4) If you took a balloon up a mountain it would expand. a) True b) False 5) There are less air particles where on a mountain a) Top b) Middle c) Bottom 6) Do gas particles have more or less energy than liquid particles? a) More b) Less c) The same 7) Air pressure is.... a) the force applied by air particles to objects b) The energy applied to air particles by objects c) how much pressure the air is under

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