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In which state of matter has the LEAST kinetic energy?

• gas

• plasma

• liquid

• solid

Which state or states of matter take(s) the shape of its container?

• liquid and gas

• solid

• gas

• liquid

Which state of matter has the greatest distance between the individual particles?

• C

• A

• All are the same.

• B

Which statement about matter is correct?

• In the solid state, molecules stop moving.

• In matter, molecules never stop moving.

• Pressure and temperature do not affect matter.

• Liquids have a lower level of energy than solids.

As matter changes state from gas to liquid, which of these statements is true?

• The particles slow down.

• The particles get farther apart.

• The attractive force between the particles decreases.

• The particles speed up.

A scientist observes that the particles of a gas are arranged as shown. If the gas begins to condense into a liquid, which particle arrangement would MOST LIKELY be observed?

• C

• B

• A

• D

What statement BEST describes a solid?

• Solids have a variable shape and definite volume.

• Solids have definite shape and variable volume.

• Solids have a definite shape and definite volume.

• Solids have variable shape and variable volume.

When the temperature is cold, Tim's tires look under-inflated. This is because the air molecules in the tire ________ causing their kinetic energy to _________ and volume to _______.

• slow down, decrease, contract

• multiply, increase, fluctuates

• stay the same, increase, expand

• speed up, decrease, stay the same

the molecule arrangement of ice, water and steam are very different. _______ has the most ordered arrangement, ______ has the next most orderly arrangement, and ___________ has the least orderly arrangement of molecules.

• water, steam, ice

• water, ice, steam

• steam, water, ice

• ice, water, steam

According to the kinetic molecular theory, the pressure of a gas in a container will increase if the

• volume of the container increases.

• number of moles of the gas decreases.

• number of collisions with the container wall increases.

• temperature of the gas decreases