CI Investigation 4 Question Preview (ID: 46183)


Particle Motion. TEACHERS: click here for quick copy question ID numbers.

In this state of matter the molecules are very tightly packed together
a) solid
b) liquid
c) gas
d)

Gas particles are
a) tightly packed.
b) free to fly in all directions.
c) loosely bonded and flowing.
d) so hot that the electrons are removed from the nucleus.

Solid particles have the _________ energy.
a) most
b) least
c) middle amount of
d)

By which process do gases take the shape of their container?
a) evaporation
b) expansion
c) contraction
d) compression

According to the kinetic-molecular theory, how does a gas expand?
a) Its particles become larger.
b) Collisions between particles become elastic.
c) Its temperature rises.
d) Its particles move greater distances.

Particles within a solid
a) do not move.
b) vibrate about fixed positions.
c) move about freely.
d) exchange positions easily.

Contraction takes place when
a) particles lose kinetic energy and become solid.
b) particles lose kinetic energy, move closer together and the volume decreases
c) particles gain kinetic energy and the volume decreases.
d) particles either lose or gain kinetic energy and volume decreases

Which of the following types of substances can contract?
a) solids, liquids and gases
b) solids and liquids
c) liquids and gases
d) gases only

What is between the particles in any substance?
a) other particles
b) nothing
c) visible bonds
d) air

Consider a particle model to predict what will happen if a sharp object creates a hole in the soccer ball.
a) Particles will rush into the ball until the pressure is equal inside and outside the ball.
b) Particles inside the ball will speed up because the pressure inside the ball decreases.
c) Particles will rush out of the ball until the pressure is equal inside and outside the ball.
d) Particles outside the ball will speed up as the pressure increases.

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