A state of matter that has no fixed shape or volume
Gas
A _______ is a state of matter with a fixed volume but no fixed shape.
liquid
temperature at which a substance changes from a liquid to a solid is called what
freezing point
Fake science is otherwise called
Pseudoscience
A measure of the amount of matter present in a given volume of substance.
Density
This is the measurement of the amount of matter in an object.
mass
A _______ is a state of matter with a fixed shape and volume.
solid
What are the 3 states in the PICTURE above
Solid , LIQUID , GAS
when two or more atoms bond together or combine
example H2O
what is an molecule?
data representing information and concepts that are not represented by numbers.
Qualitative
anything that has mass and takes up space
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.
able to be known, seen, or declared in advance
Predictable
data representing information and concepts that are not represented by numbers.
Quantitative
the 5 senses we use in science are.
What are your 5 senses (hearing, seeing, touching, tasting, and smelling)?
It's not static or definitive, and can change based on new evidence or interpretations of existing evidence
Tentative
The temperature at which a substance changes from a solid to liquid
What is melting point?
A substance that looks uniform (the same) throughout.
homogenous
A substance that does not look the same throughout.
What is heterogenous?
A characteristic of a substance that can be observed or measured without changing its composition
What is physical property?
The study of natural events and conditions.
Science
A change in the physical substance but not the actual substance itself
What is a Physical change?
The “if ____ then _____ because ______” format is normally used in an
Hypothesis
These are examples of what.
Air, Tap water, Salt water
What are Homogenous Mixtures?