Download presentation

Presentation is loading. Please wait.

Published byLawson Sammons Modified over 4 years ago

1
UNIT 2.2 SI UNITS/METRIC CONVERSIONS

2
SI UNITS SI = International system of metric units. Base unit = all other units are multiples of base units or combinations) QuantityWritten unitSymbol length mass time amount of substance

3
SI UNITS 2. MULTIPLES OF BASE UNITS (p.17) ** Need to know this table Written PrefixSymbolExponential megaM10 6 kilok10 3 decid10 -1 centic10 -2 millim10 -3 microμ10 -6

4
10 6 10 3 10 -1 10 -2 10 -3 10 -6

5
2.2 SI UNITS 3. IMPORTANT EQUIVALENCES 1 mL = 1 cm 3 1 m 3 = 10 3 L 1 t = 10 3 kg

6
2.2 SI UNITS Example: Re-write the expression “6 kilograms” using PREFIX and UNIT SYMBOLS an EXPONENTIAL EQUIVALENT The prefix symbol for kilo is ___ and the unit symbol for grams is ___ 6 kilograms = The exponential equivalent to kilo is ____ 6 kilograms =

7
METRIC CONVERSIONS Metric conversions involve using unit conversions between prefix symbols and exponential equivalents. Example: Write a conversion statement between cm and m.

8
M ETRIC CONVERSIONS Write conversion statements between each of the following dm and m cs and s dmol and mol

9
METRIC CONVERSIONS How many milligrams are in 5 kg?

10
METRIC CONVERSIONS Express 7µm in Megametres

11
M ETRIC CONVERSIONS How many decilitres in 0.5kL?

12
M ULTI C ONVERSION Convert 1cg/ mL into dg/L

13
METRIC CONVERSIONS DERIVED QUANTITIES Derived quantity = Derived unit =

14
D ENSITY Density is an example of a derived unit What is density? Density =

16
D ERIVED UNITS : DENSITY Given that a 2.44 cm 3 sample of an element has a mass of 47.14 g. Determine the density of the element.

17
D ERIVED UNITS Find the volume of a block of wood that has a mass of 34.5 grams. The density of this wood is 12g/ cm 3

18
ASSIGNMENT- DUE Tuesday Hebden Page19 #13, 14, 15(a,c,d,f,g,i), Page 21 #16 (a,c,e) #17 (b,d,f,h,j,L,n) #18(a, b, c) Finish ALL the questions on your 2 sheets: A-Measurement and the Metric System This is Homework for marks. Have this done by Tuesday. Show ALLLLL your calculations for every problem!

Similar presentations

OK

Chemistry CP. Metric Practice in NB Arrange these units in order from smallest to largest AND define what each unit means: Gram Decigram Milligram Centigram.

Chemistry CP. Metric Practice in NB Arrange these units in order from smallest to largest AND define what each unit means: Gram Decigram Milligram Centigram.

© 2018 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google