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7.what property of gas makes it compressible?
a.)least kinetic energy
b.)greatest spaces between particles
c.)least force of attraction between particles
d.) greatest number of molecules
8.what aspect of particles nature of matter explains why solids are hard to break?
a.)solid are made up of tiny particles
b.) particles of solids are closely arranged.
c.) particles are solid are closely arranged.
d.) particles of solid have strong force of attraction.

9.what is the evidence that particles of matter have spaces between them?
a.) liquid turns into gas
b.) the coffee powder scattered uniformly in hot water
c.) solid particles are hard to break
d.) 10ml of sugar added to 30ml of water results to less than 40ml of the solution.
10. wich of the following is the best way to show that particles of matter are constantly moving?
a.)exposing ice to sunlight
to turn in water.
b.)spreading of coffee powder in hot water even without stirring.
c.) blowing face powder into the air therefor you can observe the movement of powder particles.
d.) dissolving sugar into the water through constant mixing