WorksheetsChapter 1 Review: sig figs, sic notation, DA and a bit more
Total questions: 18
Worksheet time: 9mins
Chemistry is
the study of living things and how they interact in nature
the study of motion and energy
the study if matter, energy and its interaction
the study of body systems
Data that is measured using equal intervals is
measured data
quantitative data
qualitative data
observatons
A law explains why something happens (typically mathematically) and a theory describes what happens
true
false
This set of data can be described as
precise and not accurate
not precise and not accurate
not precise but accurate
both precise and accurate
This set of data can be described as
precise and not accurate
not precise and not accurate
not precise but accurate
precise and accurate
The following target shows accuracy but not precise.
True, because there is a bullseye.
False, because you cannot be accurate without being precise.
The length of the nail is
6.3 cm
6.30 cm
6.35 cm
6.4 cm
The volume in the graduated cylinder is
24 mL
24.2 mL
24.0 mL
23.9 mL
To determine the number of sig figs in a number without a decimal you count from the first non-zero to the last non-zero.
True
False
To determine the number of sig figs in a number that has a decimal point, you count from the first non-zero until the very end of the number.
True
False
The following number/s has 4 sig figs.
230,500
0.0007060
5400
54.00
The following number/s has 2 sig figs.
4500
34.0
0.02
0.000000060
The answer to the following calculation is:
62.452 - 5.6 =
56.851
56.85
56.9
56
7.8548 x 3.0
24
23.5
23.56
23.562
The correct scientific notation for 0.000077 is
7.7 x 10-5
True
False
The correct scientific notation for 340,000,000 is
3.4 x 108
True
False
The answer for this problem is:
9 mi/hr
4 mi/hr
114 mi/hr
3 mi/hr
The answer to the following DA is:
9.2 g
0.090 g
92 g
92.2 g
