# Why is it important that scientists use standardized units in ... Why is it important that scientists use standardized units in their investigations? QUICK WRITE Question on page 16 Answer on page 15 Share your response

Class Norms Honor time limits Actively participate Listen respectfully to your colleagues Place cell phones on vibrate or silent mode Participants may write burning questions on a sticky note and place on the parking lot BE PRESENT

Parking Lot Burning Issues Questions Comments Ideas to Share Common Board Configuration DATE: August 27, 2014

ESSENTIAL QUESTION: How are natural phenomenon investigated and explained? What is the role of data in understanding science? Objectives: Use tools to gather analyze, and interpret data (this includes the use of measurement in metric and other systems, and also the generation and interpretation of graphical

representations of data, including data tables and graphs) Assess the reliability of data and identify reasons for inconsistent results, such as sources of error or uncontrolled conditions. Home Learning: Complete the Unit Conversion Worksheet on

page 15 in your ISN Agenda Interactive Journal Review Setup Unit Conversions Complete Unit Conversion Worksheet in ISN on page 15 Exit Ticket

Essential Question How are natural phenomenon investigated and explained? What is the role of data in understanding science? Unit Conversions

1.3 Converting units To convert 1,565 pennies to the dollar amount, you divide 1,565 by 100 (since there are 100 pennies in a dollar). Converting SI units is just as easy as converting pennies to dollars. Solving Problems

1. 2. 3. 4.

Convert 655 mm to m Looking for: the distance in meters Given: distance = 655 millimeters Relationships: Ex. There are 1000 millimeters in 1 meter Solution:

655 mm = .655 meters Solving Problems Convert 142 km to m 1. Looking for: the distance in meters 2. Given: distance = 142 kilometers 3. Relationships:

Ex. There are ? meters in 1 kilometer? 4. Solution: Use the conversion tool. Solving Problems Convert 754,000 cm to km 1. Looking for: the distance in kilometers 2. Given:

distance = 754,000 centimeters 3. Relationships: Ex. There are ? cm in 1 m? There are ? m in 1 km? 4. Solution: Use the conversion tool. 1.3 Converting units A conversion factor is a

ratio that has the value of one. This method of converting units is called dimensional analysis. To do the conversion you multiply 4.5 feet by a conversion factor.

Solving Problems Convert 4.5 ft to cm 1. Looking for: You are asked for the distance in cm 2. Given: You are given the distance in ft. 3. Relationships: Ex. There are ? cm in 1 ft? 30.48 cm = 1 ft 4. Solution:

Make a conversion factor from equivalent 1.3 Converting units Use the correct conversion factor to convert: 175 yds. to m. 2.50 in. to mm.

Home Learning HOME LEARNING Complete the Unit Conversion Worksheet on page 15 in your ISN