All material consists of _____?
matter
Which of these is not s state of matter?
gas
solid
liquid
water
Which matter has a fixed shape?
solid
Which matter has particles closed together but in a fixed shape?
solid
Can a material be a mixture and a substance?
yes
Which matter doesn’t have a fixed shape with particles that are loosely packed together with some movement?
liquid
Why can flour and sand flow (be poured)?
It has small grains
It has large grains
The grains are packed closely
There is air between the grains
What forms when a liquid is cooled?
liquid
solid
What forms when a solid is heated?
solid
liquid
Heating cause a solid to experience a _________
solid
change of state
ice
Cooling causes a liquid to change into a _________
change of state
solid
liquid
An example of a Physical change in the state of matter is when water changes to _____
gold
liquid
ice
Which of these is NOT a change of state?
solidifying
freezing
reacting
melting
When solid particles are heated they _________?
lose energy
get energy
