# ALEX Lesson Plan Resources

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ALEX Lesson Plans
Thinkfinity Lesson Plans
Subject: Mathematics,Science
Description: This student interactive, from Illuminations, helps students understand the mathematical models used to represent sound. Students come to understand the origins of the terms pitch, tone, frequency, and intensity, as well as explore the dynamics of a sound wave.
Thinkfinity Partner: Illuminations

Subject: Science
Description: In this Science Update, from Science NetLinks, you'll hear about a device for measuring light that can withstand the intensity of the Sun's rays. Science Updates are audio interviews with scientists and are accompanied by a set of questions as well as links to related Science NetLinks lessons and other related resources.

Subject: Health, Science
Description: In this Science Update, from Science NetLinks, you'll hear why bright nighttime lights could be bad for women's health. Science Updates are audio interviews with scientists and are accompanied by a set of questions as well as links to related Science NetLinks lessons and other related resources.

Subject: Mathematics,Science
Title: Do You Hear What I Hear?      Add Bookmark
Description: In this lesson, from Illuminations, students explore the dynamics of a sound wave. Students use an interactive Java applet to view the effects of changing the initial string displacement and the initial tension.
Thinkfinity Partner: Illuminations

Subject: Mathematics,Science
Title: Shedding the Light      Add Bookmark
Description: In this four-lesson unit, from Illuminations, students investigate a mathematical model for the decay of light passing through water. The goal of this investigation is a rich exploration of exponential models in context. Students examine the way light changes as water depth increases, conduct experiments, explore related algebraic functions using an interactive Java applet and analyze the data collected.
Thinkfinity Partner: Illuminations

Subject: Mathematics,Science
Title: Make a Conjecture      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students explore the development of a mathematical model for the decay of light passing through water, in a rich exploration of exponential models in context. Students view a picture and QuickTime video clip and then make conjectures about the relationship between light intensity and water depth.
Thinkfinity Partner: Illuminations

Subject: Mathematics,Science
Description: In this lesson, one of a multi-part unit from Illuminations, students explore the development of a mathematical model for the decay of light passing through water, in a rich exploration of exponential models in context. They conduct three experiments including a simulated ocean dive, using tinted Plexiglas to simulate water depth, and measuring light intensity within a column of water.
Thinkfinity Partner: Illuminations

Subject: Mathematics,Science
Title: Analyzing the Data      Add Bookmark
Description: In this lesson, one of a multi-part unit from Illuminations, students explore the development of a mathematical model for the decay of light passing through water, in a rich exploration of exponential models in context. They use an interactive Java applet to explore related algebraic functions.
Thinkfinity Partner: Illuminations

Subject: Mathematics,Science
Description: In this lesson, one of a multi-part unit from Illuminations, students examine, reexamine, and compare the results obtained in previous lessons to enrich their mathematical understanding. Possibilities for students include examining the method of data analysis, asking What if questions, connecting the situation with other contexts, and further exploring the method of linearizing data.
Thinkfinity Partner: Illuminations

Subject: Science - Earth science - Science - Oceanography - Social Studies - Geography
Description: In this lesson, from Xpeditions, students learn the components of a wave then discuss the effects of wave height, wavelength, and wave period in determining the overall size of a wave. They use the National Geographic Wave Simulator to experiment with creating different kinds of waves. Discussion then focuses on the effects of geography on wave size as well as additional forces on boats trying to navigate waves.
Thinkfinity Partner: National Geographic Education

Subject: Science
Description: The purpose of this Science NetLinks lesson is to give students an understanding of communication technologies and an appreciation of the opportunities and problems that come with these technologies. In the lesson, students try out a few innovative examples of communications technology and learn how they transform patterns of sound or light into patterns of electricity.

Subject: Health
Description: In this Science Update, from Science NetLinks, you'll hear about the changes in vision that result as a consequence of aging. Science Updates are audio interviews with scientists and are accompanied by a set of questions as well as links to related Science NetLinks lessons and other related resources.

Subject: Health
Description: In this Science Update, from Science NetLinks, you'll hear about why fish generally are not electrocuted when lightning strikes the water they are swimming in. Science Updates are audio interviews with scientists and are accompanied by a set of questions as well as links to related Science NetLinks lessons and other related resources.

Subject: Science - Earth science - Science - Oceanography - Social Studies - Geography
Title: Finding Monster Waves      Add Bookmark
Description: In this lesson, from Xpeditions, students learn about the varying sizes of ocean waves, what causes the variation, and where to find giant waves. Students learn the parts of a wave and discuss wave height, wavelength, and wave period. They experiment with creating waves on the National Geographic Wave Simulator and discuss how geography affects waves.
Thinkfinity Partner: National Geographic Education