1) What is a scientific model? a) A physical object b) A simplified representation c) An experiment d) A hypothesis 2) What does the particle model explain? a) Chemical reactions b) Matter properties c) Energy transfer d) Gravity 3) What are particles in the model? a) Atoms and molecules b) Cells c) Organisms d) Planets 4) What is the state of matter with fixed shape? a) Gas b) Liquid c) Solid d) Plasma 5) How do particles move in a gas? a) Vibrate in place b) Slide past each other c) Move freely d) Do not move 6) What happens to particles when heated? a) Move slower b) Stop moving c) Move faster d) Disappear 7) What is diffusion? a) Particles clumping b) Particles spreading out c) Particles shrinking d) Particles freezing 8) What state of matter has no fixed volume? a) Solid b) Liquid c) Gas d) Plasma 9) What is condensation? a) Gas to liquid b) Liquid to gas c) Solid to gas d) Liquid to solid 10) What does the kinetic theory describe? a) Particle motion b) Chemical bonds c) Atomic structure d) Electricity

QUARTER 1 WEEK 1 ACTIVITY 2 - Scientific Models and the Particle Model of Matter

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