review scientific measurement. true or false all measurements in science are accurate and precise....
TRANSCRIPT
REVIEWSCIENTIFIC
MEASUREMENT
True or false
All measurements in science are accurate and precise.
One digit is always estimated.
How close a measurement is to other measurements
precision
How close a measurement is to its true value
accuracy
106 m = 1 Mm
10-12 g = 1 pg
Complete the following conversion factors:
1 µL L10-6
Complete the following conversion factors:
1 mg g10-3
Complete the following conversion factors:
1 pm m10-12
Complete the following conversion factors:
1 ng g10-9
Complete the following conversion factors:
1 Mmm106
Complete the following conversion factors:
1 Gm m109
How many sig fig?0.0120 L
505000 pm
0.61900 Mm
90290 mg
0.00000700120 nm
3
3
5
4
6
7,000,000,000,000 km 1
Convert 2 km to m.
2000 m
Convert 24 g to kg.
0.024 kg
Convert 19290 mg to g.
19.29 g
Convert 11.9 g to mg.
11900 mg
Convert 604 mg to kg.
0.000604 kg
Convert 1011 mm to cm.
101.1 cm
Convert 1011 mm to dm.
10.11 dm
Convert 1011 mm to hm.
0.01011 hm
Convert 0.44 Mm to m.
440000 m
Convert 0.44 Mm to m.
0.44 x 106 m
4.4 x 105 m
Convert 3.1 mg to µg.
3100 µg
Convert 0.022 mg to ng.
22000 ng
Convert 0.022 mg to ng.
2.2 x 104 ng
0.022 x 106 ng
Convert 64.2 pm to nm.
0.0642 nm
Convert 64.2 pm to nm.
64.2 X 10-3 nm
6.42 X 10-2 nm
Convert 9.1 X 107 nm to m.
0.091 m
Convert 9.1 X 107 nm to m.
0.091 m
9.1 x 107 x 10-9
9.1 x 10-2 m
Convert 0.000864 mm to pm.
8.64 x 10-4
8.64 X 105 pm
x 109
Which measurement is largest?
380 pm
300 nm
24 µm
1.1 mm
Which measurement is smallest?
580 dam
7 km
2.4 Gm
1.1 Mm
Which measurement is larger?
3800 g or 3 kg3000 g
Which measurement is smaller?
780 mg or 0.5 g500 mg
Which measurement is larger?
50 dam or 6 hm60 dam
Which measurement is smaller?
3 km or 25 hm30 hm
Which measurement is larger?
0.2 mg or 300 µg200 µg
Which measurement is smaller?
0.7 Gm or 800 Mm700 Mm
Which measurement is larger?
7 Gm or 7 x 106 m7 x 109 m
Which measurement is smaller?
6 ng or 600 pg6000 pg