# ALEX Lesson Plan Resources

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ALEX Lesson Plans
Thinkfinity Lesson Plans
Subject: Science
Description: The American Association for the Advancement of Science's Science NetLinks strives to be a comprehensive ''homepage'' for K-12 science educators. At the heart of Science NetLinks are standards-based lesson plans that incorporate reviewed Internet resources, and can be selected according to specific benchmarks and grade ranges. Each lesson is tied to at least one learning goal and uses research-based instructional strategies that support student learning. The lessons are written for the teacher, but include student-ready materials such as student sheets (student reproducibles) or E-Sheets (online worksheets that enable students to engage directly in Internet activities). Science NetLinks is a member of the MarcoPolo consortium.

Subject: Mathematics, Science
Title: Ready, Set, Let's Dough! It's a Matter of System      Add Bookmark
Description: In this Science NetLinks lesson, students look at a complex system when they create their own play dough by taking several parts and creating a whole. Through their constructions, students gain an understanding that individual parts are used to make a whole.

Subject: Science
Title: Build a Better Pencil       Add Bookmark
Description: The purpose of this Science NetLinks lesson is to engage students in planning, making, evaluating, and modifying designs, and to develop an understanding of constraints such as safety, time, cost, space, and availability of materials. At this level, students should be given many opportunities to design and make things using a variety of materials and simple tools. This investigation uses a pencil as a vehicle for introducing the idea of planning and evaluating designs.

Subject: Science
Description: In this Science NetLinks lesson, the first in a three-part series, students observe the amount of water in an open container over time, and they observe the amount of water in a closed container over time. Students compare and contrast the sets of observations over time. This lesson is designed to help the students prepare themselves for the idea that most substances may exist as a solid, liquid, or a gas depending on the temperature, pressure, and nature of that substance.

Subject: Mathematics, Science
Description: The purpose of this lesson, from Science NetLinks, is for students to learn about sampling through an investigation of rocks found in the schoolyard. In this lesson, students collect and analyze a sampling of rocks from the schoolyard. They sort the collected rocks by characteristics such as size, weight, and color, to see if any generalizations can be made about the types of rocks that can be found in the schoolyard.

Subject: Science
Title: Melting and Freezing      Add Bookmark
Description: In this Science NetLinks lesson, the last in a three-part series, students investigate how melting and freezing impact the amount of three separate everyday items--water, chocolate, and margarine. This lesson is designed to help the students prepare themselves for the idea that most substances may exist as solids, liquids, or gases depending on the temperature, pressure and nature of that substance.

Subject: Science
Title: Sink or Float?      Add Bookmark
Description: In this lesson from Science NetLinks, students make predictions about which objects will float in water. Students then test the objects and observe whether they sink or float. Finally, students use the activity sheet provided to classify objects according to their buoyancy. Related literature and on-line activities are also incorporated into the lesson.

Subject: Mathematics
Description: The purpose of this lesson, from Science NetLinks, is to develop the idea that information can be more easily managed and retrieved if it is logically sorted and stored, using the example of books in a library. The activities in this lesson focus on sorting and ordering things so that they can be easily retrieved at a later date.

Subject: Science
Title: Water and Ice      Add Bookmark
Description: The purpose of this lesson, the first in a three-part series from Science NetLinks, is to explore how water can change from a solid to a liquid and then back again. As part of the investigation, students take simple measurements using a thermometer and a balance.

Subject: Language Arts
Title: Writing Reports in Kindergarten? Yes!      Add Bookmark
Description: This lesson encourages young students to see themselves as writers with a message to convey. Three types of reports are provided to show what kindergartners and emergent writers can do.