Wednesday Word: arduous Example) I was exhausted after the arduous hike up the mountain. Definition: hard to accomplish or achieve; marked by great effort.

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Presentation transcript:

Wednesday Word: arduous Example) I was exhausted after the arduous hike up the mountain. Definition: hard to accomplish or achieve; marked by great effort Synonyms: difficult, challenging, demanding

Guided Reading Pop Quiz 1.What do paleontologists study? 2.When a group of organisms change over time, we say they ______________. 3.What is one type of asexual reproduction?

Chapter 1: Section 1-4 Tools and Procedures In Science, it is important to use a common measuring system. We use the metric system. – Based on multiples of ten.

Common Measurements MeasurementDefinitionSI UnitInstrument(s) The distance between 2 points.Meter (m) The amount of space an object occupies Liter (L) for liquids The amount of matter in an objectGram (g) Measure of the average kinetic energy. Celsius ( °C) LengthMetric ruler, Meter stick Volume Graduated Cylinder Mass Triple-Beam or Electronic Balance Temperature Thermometer

How do organize information from an experiment? 1.Data Tables 2.Graphs 3.Diagrams Why do we organize data? 1. To see trends or irregularities in the data.

Data Tables 1. Organize information in labeled rows and columns. 2. Creating a data table is an important part of designing an experiment. Example)

Creating Data Tables 1.Identify the independent and dependent variables. 2.Create a row or column for each type of data you will collect. 3.Be sure to give your data table a title and include units for any measurements. Example)

Dependent Variable to be measuredTitle When data is collected Control Group Experimental Groups Independent Variable: Fertilizer addition

Why use Graphs? 1.Easier to see data. 2.We use different types of represent to depending on the type of data. -Line graphs -Pie chart (Circle graph) -Bar graph -Histogram **Refer to handout for information on types of graphs and how to graph.

Analyzing Graphs

1.What is the independent variable? 2.What is the dependent variable? 3.What are the units used for height? 4.Describe the relationship between bounce height and the drop height. Drop Height Bounce Height Centimeters (cm) As drop height increases, bounce height increases (direct relationship).

1.Write the question with correct answer. 2.Explain why it is correct. 3.Separate sheet of paper….to hand in with quiz. 2 days.

Homework 1. Complete Data and Graph