9/2 - 8th Grade Agenda Learning Objective: Learn about Scientific Inquiry Collect HW: Metrics Worksheet #2 Video: Power of 10 HW: Metrics Worksheet #3 HW: Poster of Science Project 9/9 & 9/10 (20 Points)

Daily Reflection Prompt: Why do scientists use the metric system?

Don’t forget to write “Absent” on top of your assignment if you were absent.

Here is another way to remember the prefixes King Henry Does Drink 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

10 ? 100 Centimeter = _____ Decimeter For every step upward on the chart you are dividing by 10 or moving the decimal one place to the left.. How do we convert from Centimeter to Decimeter? 10 ? 100 Centimeter = _____ Decimeter

For every step downward on the chart you are multiplying by 10 or moving one place value to the right. How do we convert from Kilometer to Meter? 100,000 ? 100 Kilometer = _________ Meter

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

Thinking like a Scientist Scientists use skills such as obs_______, infe______, pred_______, clas______, and making models to learn more about the world and make scientific progress erving rring icting sifying

Observing Observing means using one or more of your sen_____ to gather information. ses

Quantitative observation deal with num____ or amounts. bers Can you give me an example? 20% of the students passed the test.

Qualitative Observation deal with desc_______ that cannot be expressed in numbers riptions Can you give me an example? The chimp appears sad.

Inferring When you exp_____ or interp____ the things you observe, you are inferring or making an inference lain ret

cast erience dence Predicting Predicting means making a fore____ of what will happen in the future based on past exp__________ or evi_______. cast erience dence

Classifying Classifying is the process of gro_____ together items that are alike in some way uping

Making models Making models involves creating repre_________ of complex objects or processes. sentations