8/29 - 7th Grade Agenda Collect HW: Signed Welcome Letter Notebook: Metrics System What is NanoVideo Poster of Science Project due 9/8 & 9/9 (20 Points) HW: Bring One inch Binder (3 Ring) by 8/30 & 8/31

Poster of Science Project Due 9/8 & 9/9 20 Points Create a poster on any subject related science Need to be creative in order to get the full 20 Points The best posters will be hung on the wall in time for “back to school night”

Supplies needed 1 inch three ring binder (Needed by 8/30 or 8/31) 50 – 100 sheets of College Rule paper Pencils or Pens (Blue or Black) Small Pencil Sharpener (If using a pencil)

What is the standard system of measurement used by scientist around the world? S_______ I______________ SI International System of Units Metric System ystem nternational

What is the SI unit for measuring length? eter M____________

What is the SI unit for measuring Liquid Volume? iter L____________

What is the SI unit for measuring Mass? ram G____________

What is the SI unit for measuring Temperature? elsius C____________

How do we measure smaller and larger objects in SI units? Through Prefixes Kilo- X1000 Hecto- X100 Deca- X10 Deci- 1/10 Centi- 1/100 Milli- 1/1000

Here is another way to remember the prefixes King Henry Died Drinking Chocolate Milk Kilo- X1000 Hecto- X100 Deca- X10 Deci- 1/10 Centi- 1/100 Milli- 1/1000

Prefix Symbol Multiplier Exponential yotta Y 1,000,000,000,000,000,000,000,000 1024 zetta Z 1,000,000,000,000,000,000,000 1021 exa E 1,000,000,000,000,000,000 1018 peta P 1,000,000,000,000,000 1015 tera T 1,000,000,000,000 1012 giga G 1,000,000,000 109 mega M 1,000,000 106 kilo k 1,000 103 hecto h 100 102 deca da 10 101 1 deci d 0.1 10¯1 centi c 0.01 10¯2 milli m 0.001 10¯3 micro µ 0.000001 10¯6 nano n 0.000000001 10¯9 pico p 0.000000000001 10¯12 femto f 0.000000000000001 10¯15 atto a 0.000000000000000001 10¯18 zepto z 0.000000000000000000001 10¯21 yocto y 0.000000000000000000000001 10¯24

How many meter is kilometer? X1000 Hecto- X100 Deca- X10 Deci- 1/10 Centi- 1/100 Milli- 1/1000

How many meter is centimeter? Kilo- X1000 Hecto- X100 Deca- X10 Deci- 1/10 Centi- 1/100 Milli- 1/1000

How big is a meter? Width of a Thickness Height of a Little more of a dime Width of a Fingernail Height of a door handle Little more than ½ mile

How big is 1 millimeter? Width of a Thickness Height of a Little more of a dime Width of a Fingernail Height of a door handle Little more than ½ mile

How big is 1 centimeter? Width of a Thickness Height of a Little more of a dime Width of a Fingernail Height of a door handle Little more than ½ mile

How big is 1 kilometer? Width of a Thickness Height of a Little more of a dime Width of a Fingernail Height of a door handle Little more than ½ mile

Which side of the ruler measures metric units? The side with the smaller lines measures in metric units The side with the larger lines measures in inches

How much is 1 cm? This is 1 cm

1 mm are the small unnumbered lines How much is 1 mm? 1 mm are the small unnumbered lines

The sun is about 150,000,000,000 meters from earth What is another way to write the same number without writing all the zeros? Power or 10 15 X 10 meters 10 ?

Powers of 10 103 = 1000 102 = 100 101 = 10 100 = 1 10-1 = .1 10-2 = .01 10-3 = .001