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Which of the pictures demonstrates a state of matter without a fixed shape or fixed volume?

• J

• K

• L

• M

In which state of matter are the molecules spaced farthest apart?

• Solid

• Liquid

• Gas

• All are equal

Which of the pictures demonstrates a state of matter with a fixed shape and a fixed volume?

• J

• K

• L

• M

State of matter with a definite shape and definite volume.

• solid

• liquid

• gas

State of matter with no definite shape and no definite volume.

• solid

• liquid

• gas

What happens to particles when their temperature increases?

• The particles move slower

• The particles move faster

• The particles lose mass

• The particles gain mass

When gas is heated, its molecules _____ and _____.

• spread apart, move slower

• spread apart, move faster

• get closer together, move slower

• get closer together, move faster

Matter is anything that has ____________ and takes up ____________.

• atoms, energy

• mass, space

• minerals, volume

• mass, time

Select the best representation of a heterogeneous mixture.

• 
• 
• 
• 

A substance is...

• matter with the same composition

• something that makes up something else

• physically combined components

• only pure elements