MATTER
what is the definition of matter?
matter is anything that has mass and takes up space.
when heat is added to a liquid it becomes a what?
GAS
has a fixed shape and volume
solids
What type of shape does gas have?
no fixed shape or volume
What is the name for a group of all of the same type of atom?
element
What are the states of matter?
Solid, liquid, gas, plasma
solid turning into a liquid is called?
melting
Has a definite volume but not a definate shape.
liquid
one way to tell is chemical change has happened?
change in color
What charge does a proton have?
postive
what is the basic building block of all matter?
atom
gas turning into a liquid what happens?
condensation
What matter takes the shape of its countainer?
LIQUID
one way to tell if chemical change has happened?
change in odor
What do we call the center of the atom?
nucleus
What happens when an object's kinetic energy increases?
The particles move faster
When a liquid is cooled what happens?
solid
The molecules are far apart and move freely
gas
one way to tell if chemical change has happened?
formation of a gas cizziling or foaming
Name four physical properties of matter
color, density, hardness, shape,
What is it called when a solid turns to a liquid it's what happens to the thermal energy?
It increases
When a solid turning into a gas, what happens?
sublimation
Another name for state of matter is?
Phases of matter
one way to tell if chemical change is happening?
change in energy (temperature, heat, or light)
Describe what happens during a chemical change in matter.
A substance changes into other materials that have different properties. examples include: rusting, burning, molding