Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
39 Cards in this Set
- Front
- Back
a tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation
|
hypothesis
|
|
a broad generalization that explains a phenomenon
|
theory
|
|
numerical info (measurements)
|
quantitative
|
|
non-numerical info (descriptions)
|
qualitative
|
|
If- then, If I drop something, then it will fall is an example of a...
|
hypothesis
|
|
the variable you control, - you change this
|
independent variable
|
|
the variable you measure, - your results
|
dependent variable
|
|
the _________ variable should be placed on the X-axis
|
independent
|
|
the _________ variable should be placed on the Y-axis
|
dependent
|
|
SI Base Unit for length
|
meter
|
|
SI Base Unit for mass
|
kilogram
|
|
SI Base Unit for time
|
second
|
|
SI Base Unit for Temperature
|
kelvin
|
|
SI Base Unit for Concentration(amount on substance)
|
Mole/Molarity
|
|
Unit for Area
|
m(2)
|
|
Unit for Volume
|
m(3)
|
|
Unit for density
|
kg/m(3)
|
|
Unit for Molar Mass
|
kg/mole
|
|
a ratio that shows the equivalence relationship between the two units
|
Conversion Factor
|
|
all digits in a measurement that are known with certainty plus a final estimated digit
|
Significant Figures
|
|
study of composition, structure, and properties of matter, plus the changes it undergoes
|
Chemistry
|
|
anything that has mass and takes up space
|
Matter
|
|
the amount of matter *not the same as weight, *weight depends on gravity, and ______ does not
|
mass
|
|
smallest unit of an element that maintains the properties of that element
|
atom
|
|
a pure substance made of one kind of atom
|
element
|
|
substance made from atoms of two or more elements that are chemically bonded
|
compound
|
|
depends on the amount of matter present
volume mass amount of energy |
extensive properties
|
|
does not depend on the amount of matter present
melting/boiling points density color conductivity |
intensive properties
|
|
can be observed without changing the identity of the substance
|
physical properties
|
|
describes how the substance reacts with other substances to form new substances
|
chemical properties
|
|
a change that does not alter the identity of the substance
|
Physical Change
|
|
three most common states of matter
|
solid, liquid, gas
|
|
definite volume and definite shape
|
solid
|
|
definite volume and indefinite shape
|
liquid
|
|
indefinite volume and indefinite shape
|
gass
|
|
one or more substances are converted into different substances
|
Chemical Change
|
|
organiazes the elements bases on their chemical properties
|
The periodic table
|
|
the vertical columns in the periodic table are the......
|
groups or families
|
|
the horizontal columns in the periodic table are the......
|
periods
|