REVIEW SCIENTIFIC 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

10 6 m =1 Mm

g =1 pg

Complete the following conversion factors: 1 µL L10 -6

Complete the following conversion factors: 1 mg g 10 -3

Complete the following conversion factors: 1 pm m

Complete the following conversion factors: 1 ng g 10 -9

Complete the following conversion factors: 1 Mm m 10 6

Complete the following conversion factors: 1 Gm m 10 9

How many sig fig? L pm Mm mg nm ,000,000,000,000 km1

Convert 2 km to m m

Convert 24 g to kg kg

Convert mg to g g

Convert 11.9 g to mg mg

Convert 604 mg to kg kg

Convert 1011 mm to cm cm

Convert 1011 mm to dm dm

Convert 1011 mm to hm hm

Convert 0.44 Mm to m m

Convert 0.44 Mm to m x 10 6 m 4.4 x 10 5 m

Convert 3.1 mg to µg µg

Convert mg to ng ng

Convert mg to ng. 2.2 x 10 4 ng x 10 6 ng

Convert 64.2 pm to nm nm

Convert 64.2 pm to nm X nm 6.42 X nm

Convert 9.1 X 10 7 nm to m m

Convert 9.1 X 10 7 nm to m m 9.1 x 10 7 x x m

Convert mm to pm x X 10 5 pm x 10 9

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 kg 3000 g

Which measurement is smaller? 780 mg or 0.5 g 500 mg

Which measurement is larger? 50 dam or 6 hm 60 dam

Which measurement is smaller? 3 km or 25 hm 30 hm

Which measurement is larger? 0.2 mg or 300 µg 200 µg

Which measurement is smaller? 0.7 Gm or 800 Mm 700 Mm

Which measurement is larger? 7 Gm or 7 x 10 6 m 7 x 10 9 m

Which measurement is smaller? 6 ng or 600 pg 6000 pg