Nature of Science
a testable explanation of an observation that predicts and outcome, in an "If/Then" statement format
a HYPOTHESIS
Mass divided by volume
What is a physical property?
a property that can be measured or observed without changing the identity of the substance
TRUE or FALSE?
FALSE
Independent Variable
is the same thing as the test or manipulated variable. It is the variable that is changed/manipulated.
How does temperature, concentration, and surface area effect the rate of chemical reactions?
Increases/speeds up rate of reaction
What is a chemical property?
A property changes the identity of a substance
What makes science reliable?
evidence
What is volume a measurement of?
How much space something occupies/takes up
Increasing the temperature of the water will increase the amount of salt that the water can dissolve
TRUE
Give 2 examples of a law that we have discussed
Law of Conservation of Mass
Law of Gravity
Dependent Variable
The formation of a gas after a reaction occurs indicates a
chemical change
Yes, because a chemical change occurred
Give 2 examples of a theory that you have learned
Cell Theory
Theory of Evolution
Theory of Relativity
What does DRY MIX stand for?
D-Dependent
R-Responding
Y-axis
M-Manipulated
I-Independent
X-axis
Replication
What is density a measurement of?
How tightly packed the particles in a substance are
Law