A state of matter that has no fixed shape or volume
Gas
A _______ is a state of matter with a fixed volume but no fixedshape.
What is a liquid?
temperature at which a substance changes from a liquid to a solid is called what
What is freezing point?
smallest basic unit of matter
what is an ATOM
A measure of the amount of mass in a given volume.
What is Density?
This is the measurement of the amount of matter in an object.
What is mass?
A _______ is a state of matter with a fixed shape and volume.
What is solid?

What are the 3 states in the PICTURE above
Solid , LIQUID , GAS
when two or more atoms bond together
what is a molecule?
Cutting paper, cutting vegetables, cutting cake are examples of.
What is a physical change?
anything that has mass and takes up space
What is matter?
Density describes the relationship between ____ and ____.
mass and volume
A liquid has a definite volume and has a definite shape.
TRUE OR FALSE
FALSE
A liquid has a definite volume but DOES NOT have a definite shape.
True or False - In the particle theory of matter, Particles are always moving.
True
A rusting bicycle is an example of.
What is a chemical change?
the 5 senses we use in science are.
What are your 5 senses (hearing, seeing, touching, tasting, and smelling)?
This is when a gas turns into a solid without becoming a liquid first.
What is deposition
The temperature at which a substance changes from a solid to liquid
What is melting point?
True or False - Atoms cannot touch is part of the particle theory of matter.
False
This is when a gas turns into a liquid
What is condensation
A characteristic of a substance that can be observed or measured without changing its composition
What is physical property?
These are examples of what.
Oxygen, Carbon, Iron
What is an Element?
A change in the physical substance but not the actual substance itself
What is a Physical change?
True or False - In the particle theory of matter, like particles are attracted to like particles.
True
This is what happens when a solid turns into a gas without changing into a liquid first.