Unit 1 Lesson 3 Representing Data Ms. Grant Copyright © Houghton Mifflin Harcourt Publishing Company.

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Unit 1 Lesson 3 Representing Data Ms. Grant Copyright © Houghton Mifflin Harcourt Publishing Company

Unit 1 Lesson 3 Representing Data Florida Benchmarks Copyright © Houghton Mifflin Harcourt Publishing Company SC.7.N.1.1 Define a problem from the seventh grade curriculum, use appropriate reference materials to support scientific understanding, plan and carry out scientific investigation of various types, such as systematic observations of experiments, identify variables, collect and organize data, interpret data in charts, tables, and graphics, analyze information, make predictions, and defend conclusions.

Unit 1 Lesson 3 Representing Data Florida Benchmarks Copyright © Houghton Mifflin Harcourt Publishing Company SC.7.N.1.5 Describe the methods used in the pursuit of a scientific explanation as seen in different fields of science such as biology, geology, and physics. SC.7.N.3.2 Identify the benefits and limitations of the use of scientific models. MA.6.S.6.2 Select and analyze the measures of central tendency or variability to represent, describe, analyze, and/or summarize a data set for the purposes of answering questions appropriately.

Unit 1 Lesson 3 Representing Data Florida Benchmarks Copyright © Houghton Mifflin Harcourt Publishing Company MA.6.A.3.6 Construct and analyze tables, graphs, and equations to describe linear functions and other simple relations using both common language and algebraic notation. LA The student will record information (e.g., observations, notes, lists, charts, legends) related to a topic, including visual aids to organize and record information and include a list of sources used.

Remember Our Lesson Goal!!! 1.How do scientists organize, analyze, and present data?

How do scientists make sense of data? Circle graphs are ideal for showing data that are parts of a whole. Each part of a circle graph represents a percentage of the whole circle. Copyright © Houghton Mifflin Harcourt Publishing Company Unit 1 Lesson 3 Representing Data

Circle Up! Copyright © Houghton Mifflin Harcourt Publishing Company What do graphs show? Circle graphs are used to show how each group of data relates to all the data. Bar graphs are used to compare data in a number of categories. Line graphs are used to show changes in variables over time. Unit 1 Lesson 3 Representing Data

Two plants were grown in two different brands of potting mix. The graph below shows the height of the two plants over 12 weeks And the answer is…to show which plant is represented by each line Why does more information need to be added to the graph?

Test Drive the New Model Copyright © Houghton Mifflin Harcourt Publishing Company How do scientists evaluate models? A scientific model can be a visual or mathematical representation of an object or system. Models are useful for showing things that are too small, too large, or too complex to see easily. Unit 1 Lesson 3 Representing Data

This diagram represents a molecule of water. This is an example of a visual model

 A model is an effective way to understand the structure of water because water molecules are too small to be easily seen

As scientists learned more, they modified the atomic model The figure below shows three atomic models developed over time.

Juan Pablo recorded the high temperature and low temperature in Miami for 5 days. Daily Temperatures in Miami What was the high temperature in Miami on Thursday?

Answer is…. 33 ºC

The table below lists the population of Orlando in 4 different years. Population of Orlando What was the population of Orlando in 2007? YearNumber of people (thousands)

The table below shows the high temperature and the low temperature in Sunrise during 1 week. On which day was there the least difference between the low temperature and high temperature? Daily Temperatures in Sunrise Day Low temperature (ºC) High temperature (ºC) Monday2331 Tuesday2528 Wednesday2633 Thursday2433 Friday2632

More examples  Scientists use computer models to study how black holes form in space. The most likely reason a computer model is being used is because black holes are too far from Earth.

More examples  A science class is studying seeds. They plan to measure the length, height, and mass of different types of seeds. The class would use a data table to record their measurements as the class takes the measurements.