Properties
What are the three states of matter?
solid, liquid, gas
hardness, softness, elasticity, color, strength
physical properties
when things can go back to how they were?
reversible property
When pipes are frozen, what can happen?
water can expand
What takes the shape of the container it is in?
liquid
Is burning, reversible or irrevsible?
irreversible
does water, when frozen, expand or get heavier?
expand
Does liquid water weigh the same when frozen or gets heavier?
stays the same
what does not move because the atoms are packed so tightly together?
solid
which state of matter has its atoms spread far apart?
gas
is melting a reversible or irreversible property?
reversible
Is freezing reversible or irreversible?
reversible