earth science midterm

Which of these is a pure substance?

• solid aluminum

• the air

• granite

• whipped cream

for an object to have kinetic energy, it must be...

• electrically charged

• a solid

• under tension

• moving

few drops result from water...

• melting

• freezing

• boiling

• condensing

by definition a force is...

• a push

• a pull

• a push and pull

• a push or a pull

matter is defined as anything that...

• can be seen and has density

• is organic and uniform

• occupies space and has mass

• responds to gravity and has color

in which state of matter do the particles posses the most energy

• gas

• solid

• plasma

• liquid

which force(s) is/are significant in producing a snow avalanche?

• gravity

• friction

• neither a or b

• both a and b

an object's weight results from...

• it mass

• gravity

• both a and b

• neither a or b

which of these would not be considered a fluid

• nitrogen gas in a tank

• a bar of pure gold

• liquid mercury

• ocean water

boiling is a form of...

• melting

• freezing

• vaporization

• condensation