Investigation and Investigation and ExperimentationExperimentation

Units of Measurement, Units of Measurement, Graphing, and Data Analsyis Graphing, and Data Analsyis

in Sciencein Science

StandardsStandards

(IE) Scientific progress is made by asking (IE) Scientific progress is made by asking meaningful questions and conducting careful meaningful questions and conducting careful investigations. As a basis for understanding investigations. As a basis for understanding this concept and addressing the content in this concept and addressing the content in the other four strands, students should the other four strands, students should develop their own questions and perform develop their own questions and perform investigations. Students will:investigations. Students will:

IE a. Select and use appropriate IE a. Select and use appropriate toolstools and and technologytechnology (such as computer-linked probes, spreadsheets, and (such as computer-linked probes, spreadsheets, and graphing calculators) to graphing calculators) to perform tests, collect data, perform tests, collect data, analyze relationships, and display dataanalyze relationships, and display data. .

Objectives:Objectives:

gain an understanding of the basic gain an understanding of the basic units of measurement in science.units of measurement in science.

use a basic tool of measurement to use a basic tool of measurement to gain accurate data, graph the data, gain accurate data, graph the data, and analyze it.and analyze it.

to collect and analyze multiple to collect and analyze multiple sources of data/scientific evidence. sources of data/scientific evidence.

What is matter?What is matter?

Matter-any substance that has mass Matter-any substance that has mass and takes up spaceand takes up space

How is matter measured in How is matter measured in science?science?

Mass-the amount of matter a Mass-the amount of matter a substance/object has (grams)substance/object has (grams)

Volume-the amount of space a Volume-the amount of space a substance/object takes up (liters)substance/object takes up (liters)

Length-the distance between points Length-the distance between points

(meters) (meters)

What are the tools of What are the tools of measurement in science?measurement in science?

MassMass

VolumeVolume

LengthLength

Triple-beam Triple-beam balancebalance

Graduated Graduated cylinder/beakercylinder/beaker

Meter stick/rulerMeter stick/ruler

Mass-Triple-beam Mass-Triple-beam balancebalance

Volume-Graduated Volume-Graduated CylinderCylinder

Length-MetersLength-Meters

How are graphs used in How are graphs used in Science?Science?

Visually shows the relationship Visually shows the relationship between two variablesbetween two variables

Independent variable (x-axis)-causes a Independent variable (x-axis)-causes a change in the dependent variablechange in the dependent variable

Dependent variable-measureable Dependent variable-measureable outcome (y-axis)outcome (y-axis)

Graphs are used to display and Graphs are used to display and analyze data from experiments and analyze data from experiments and observationsobservations

Data Analysis in ScienceData Analysis in Science

Data is collected.Data is collected. The data is displayed in graphs.The data is displayed in graphs. The data is analyzed (ie patterns, The data is analyzed (ie patterns,

trends, and insights).trends, and insights). Scientific Thinking-Evaluation of Scientific Thinking-Evaluation of

results and hypothesesresults and hypotheses

When are the different When are the different types of graphs used?types of graphs used?

Line GraphLine Graph

Pie GraphPie Graph

Bar GraphBar Graph

Used to track Used to track changes over changes over short/long periods of short/long periods of time.time.

Compare parts of a Compare parts of a whole.whole.

Used to compare Used to compare between different between different groups or track groups or track large changes over large changes over time.time.

Summary Questions:Summary Questions:

How is matter defined?How is matter defined? What are some of the tools scientists What are some of the tools scientists

use to measure matter?use to measure matter? How are graphs used in science?How are graphs used in science?