anything that has mass and takes up space
What is matter?
A _______ is a state of matter with a fixed volume but no fixedshape.
What is a liquid?
This statement is usually the basis for most experiments and can begin with an "if" "then" statement
What is Hypothesis
smallest basic unit of matter
what is an ATOM
These are examples of what.
Oxygen, Carbon, Iron
What is an Element?
A characteristic of a substance that can be observed or measured without changing its composition
What is physical property?
A _______ is a state of matter with a fixed shape and volume.
What is solid?
This variable is dependent upon other variables and is usually the variable being measured.
What is the dependent variable?
a substance that only contains one type of atom
What is an Element?
When two or more atoms bond together
what is a molecule?
A state of matter that has no fixed shape or volume
What is Gas?
Density describes the relationship between ____ and ____.
mass and volume
This variable is the variable that is changed in the experiment.
A type of matter that is pure, made the same way everytime.
What is a Pure Substance?
A mixture that does not look the same throughout.
What is heterogenous?
This is the measurement of the amount of matter in an object.
What is mass?
Double Jeopardy
temperature at which a substance changes from a liquid to a solid is called what
What is freezing point?
Daily Double
This part of a measurement on a graph gives the numbers there value.
what is scale or unit
What is a homogenous mixture?
These are examples of what.
Air, Tap water, Salt water
What is a Homogenous Mixture
The sublimation of CO2 is an example of this type of change.
What is a physical change?
This sign of chemical change occurs when energy is absorbed.
What is a decrease in temperature or an endothermic change.
This is used to compare the efficacy of your experimental units.
What is a control group?
Milk is an example of this type of heterogenous mixture
What is a colloid?
This type of mixture has larger particles that when let to sit will eventually separate out on their own.
What is a suspension?