properties of matter
what state of matter has a fixed shape?
A solid.
when snow melts it becomes?
A liquid.
what is a chemical change?
A chemical change happens when one chemical substance is transformed into one or more different substances
what happens to the energy when the a liquid turns into a gas?
It gains energy.
what change is it when some thing chatches on fire?
A chemical change.
what state of matter has close particles?
liquid.
when water freezes it becomes?
a solids.
is lighting some thing on fire a chemical change.
yes because it is a parament change it can not be un done.
what happens to the energy when a liquid turns into a solid?
it lose energy.
what is a atom?
a atom is a molecule that make all around you.
what state of matter has far away and really fast moving particals.
A gass.
when water evaporates it becomes a ?
a gas.
is a metal rusting a chemical change?
yes because a rusting can not be un done.
what happens when gas becomes a liquid?
it lose energy.
what state of matter has a not fixed shape and a not fixed volume?
gas.
what state of matter has staying still partials?
a solid.
when you cut a piece of paper it is a physical change. why is it a physical change?
it is a physical change because even though it is different sizes it has the atoms.
is baking a cake a chemical change.
yes because all the ingredients come together to make the cake and you can't un bake a cake.
when a liquid become a gas what happens to the energy.
it gains energy.
what state of matter has a fixed volume and shape?
solid
what state of matter has a not fixed shape and a fixed volume?
liquid.
when you step on a soda can is that a physcal change. and why.
yes because you are just changing the shape not the matter.
are fire works a chemical change?
yes because after they exploed you cant un light them.
what happened to the energy when a solid becomes a liquid then the liquid becomes a solid?
It lose then gains energy. Or the energy stays the same.
if you pour water from a square to a circle is it a physical change?
yes because you are just changing the shape not the matter.