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Take out. Catalyst sheet Pencil Science notebook Homework should be in a pile in the center of your table Fill out a Pink Slip if you don’t have your homework. Catalyst. Describe the difference between an Independent Variable and a Dependent Variable. - PowerPoint PPT PresentationTRANSCRIPT
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Take out
• Catalyst sheet• Pencil• Science notebook• Homework should be in a pile in the center of
your table• Fill out a Pink Slip if you don’t have your
homework
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CatalystDescribe the difference between an Independent Variable and a Dependent Variable.
Give an example of an IV and DV from a prior lab.
Be as descriptive as possible.
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Page 23 of science notebook, 10 rows down
Everything I know about measurement:
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10 more rows downTape in Data Table Conventions
• If possible, the Independent Variable should be on the left of the data table, and the Dependent Variable should be along the top of the data table
• All data tables should include a descriptive title
• No naked numbers!
• All rows and columns should be clearly labeled
• All lines should be drawn with a ruler
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Remaining space on page Student Collection Data Table:
You will measure 3 different dimensions of your table: the length, the width, and the height
You will measure each dimension with 3 different tools
You have the remaining space on page to create your data table and fill it in
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Homework
Update vocabulary section of science notebook using Vocabulary Section of website.
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Take out
• Catalyst sheet• Pencil• Science notebook, open to Vocabulary section• Pink slip if homework is not complete`
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Catalyst1. What is the difference
between a certain and an uncertain digit in a measurement?
2. How many certain digits can a measurement have?
3. How many uncertain digits can a measurement have?
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Page 24 of science notebook, 10 rows down
Split section in half vertically
Similarities Differences
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Page 24, 15 rows downCertain and Uncertain Digits in Measurement:
When you use a ruler, are you certain of all the digits you write down?
Certain digit: A number you know with certainty because of the intervals on the measuring tool
Uncertain digit: The estimated digit you read between the intervals on a measuring tool
All measurements should have only one uncertain digit
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Rest of page
Group Table:
Object Tool 1 Tool 2 Tool 3
Length of table
Width of table
Height of table
The dimensions of a classroom table measured with 3 different tools
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Homework
Complete "Certain and Uncertain Digits in Measurement" on page 25 of science notebook.
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Take out
• Catalyst sheet• Pencil• Science notebook, open to homework• Pink slip if homework is not complete`
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1. Express the length of the following object to the correct number of digits. The measuring tool given is a meter stick, so express your answer in meters.
2. For your answer to question 1, state the digit in your answer that is the uncertain number and explain why it is uncertain.
Catalyst
3. Imagine that you found the measurement above 5 times (5 trials) and then were asked to find the mean length. How many digits do you think your mean value should have?
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Homework Discussion
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Length, Width, Height Activity
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Page 26, split page in half horizontallyCreate a T-chart in the upper section. List all of the things that make data collected in this class GOOD DATA, and all of the things that could make data BAD DATA.
Good Data Bad Data
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Page 26, bottom half
Conventions for Good Data
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Homework
Complete “Certain and Uncertain Digits in Measurement Homework 2” on page 27
Certain and Uncertain Digits quiz on Day 1 of next week
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What is the length of the bug’s body segment?