Matter
What are the 3 states of matter?
solids, liquids, and gases
Which change is taking place when I rip a piece of paper?
physical
what is a mixture that can be separated?
examples: trail mix, fruit salad, salad
what is matter?
everything around you
name an example of a solid
any solid described
what is taking place when I bake a cake?
a chemical change
what is a mixture that can not be separated?
examples: lemonade, coffee, fruit punch
what does reversible mean?
it can be undone
What state of matter has a definite shape?
a solid
which change can be reversed?
physical change
what does dissolve mean?
it mixes in and can not be separated again
what does irreversible mean?
it can not be undone
what state(s) of matter have no definite shape and take up space?
liquids and gases
which change is irreversible (not reversed)?
chemical change
what is a mixture?
something made of two or more things
what does it mean by definite shape?
has its own shape and it does not change on its own
what is one example of something that can be a solid, liquid, and a gas?
water
give a correct example of both
why are some mixtures harder to separate than others?
what are properties?
size, shape, color, texture, odor