Chemistry
Ratio that compares the mass of an object to its volume
What is derived units?
Combinations of base units
What is accuracy?
How close to accepted value your measurement is
What is chemical property?
Describes the ability of a substance to undergo a specific chemical change
What is biology?
The study of living things.
What is Energy?
Capacity to do work or to produce heat
Do captive zeros count?
Yes they do.
What is precision?
How close a set of measurements are to each other
What is temperature?
Measure of the average kinetic energy (energy of motion) of the particles in matter
What is Earth Science?
The study of earth and the rocks that make up it.
How do you know it was a chemical change?
Energy change
Light or heat given off or taken in
Odor change
Bubbles produced
Color change
Precipitate formed - solid in solution
Do trailing zeros count?
If the number contains a decimal.
What is percent error?
error DIVIDED by accepted value x 100
What is the unit for temperature?
Kelvin
What is physics?
The study of motion and forces.
Parts of a Chemical Equation?
Reactant - starting substances
Product - new substances made by the chemical change
Do all none zero digits count?
Yes, all none zero digits count.
What is 100 equal to in this case?
1
What is the equation that converts Celsius to Fahrenheit?
C (9/5) + 32 = F
What is chemistry?
The study of the composition of matter and the changes it undergoes.
What is a chemical reaction?
- Another name for chemical change
Mol
Do leading zeros count?
Leading zeros DO NOT count.
What is the equation that converts Fahrenheit to Celsius?
5/9 (F-32) = C
What is matter?
Anything that has mass and takes up space.