ch2 review
CH2 REVIEW
6 steps of scientific method and what they mean; match with milk bottle demo
2 types of observation and their difference
equivalents for kilometer, meter, millimeter, milliliter, liter, cubic decimeter
difference between mass and weight
difference between precision and accuracy
how many Sig figs? 1000 , 10.0 , 275 , 101020 265.80 0.0058
how many digits in answer - density if mass is12.84g and vol is 8.2mL
what are some density units?
Give an example of derived units.
Find the density in g/mL of an object that is 3kg and 60mL
What conversion factor would you use to change 45cm to m?
How do you find volume by displacement?
Scientific notation change 4.58 *10 –4 and 45,000,000,000
Multiply and divide the numbers above use sci notation
What is the density of water? How does oil compare?
Find the density (use sig figs)of block 2.5 * 3.1* 12.2cm if its mass is 125.68g. Float?
Find density(use sig figs) (empty graduate 46.89g, graduate with liquid is 58.12g (see picture at top of page)
Find % error(use sig figs) if Joe finds the density of lead is 8.9g/mL.
Find the volume(use sig figs) if density is 3.0 *10-4g/mL and the mass is 4.0 * 10 6g.
Find the mass if density is 2.5g/mL and the the volume is 2.0L.
****Find the density from the graph.
Direct or indirect proportion?
back of room: Read the dial balance, small graduate
1.3681cm + 25.27cm + 186.548cm =
these you should be able to do without a calculator:
(12 * 1014g) / (3*105L) =
(4*108cc) * (5*106g/cc) =