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Uses of Magnets

Uses of Magnets

TEKS Objective

Students will observe and identify how magnets are used in everyday life.

Essential Understanding

The student knows that forces cause change and energy exists in many forms.

Science Background

Teaching About Magnetism: Lab for Extraterrestrial Physics NASA (website) - Presentation on the basics of magnetism by David P. Stern, Emeritus, Goddard Space Flight Center.

Teaching About Magnetism
by David P. Stern, NASA, www-spof.gsfc.nasa.gov

About Magnets: Dowling Magnets (website) - A commercial site that provides facts about magnetism and answers a variety of questions, ranging from What is a magnet? to How magnets are made?

About Magnets
Dowling Magnets, www.dowlingmagnets.com

Signature Lesson

Magnetic Pick-ups: Science NetLinks (website) - Students learn that certain materials are attracted to magnets, while others are not.

Magnetic Pick-ups
Science NetLinks, www.sciencenetlinks.com

Supporting Lessons

Magnets: My Schoolhouse (website) - Elementary explanation of magnetism, with interactive worksheet.

Magnets
My Schoolhouse, www.myschoolhouse.com

Experimenting with Magnets: Utah Education Network (website) - Students complete four investigations on objects that both attract and repel other magnets.

Experimenting with Magnets
Utah Education Network, www.uen.org

Elaboration Lessons and Extensions

How Strong is Your Magnet? Science NetLinks (website) - Students measure the strength of a magnet and graph changes in the strength of attraction as distance from the magnet increases, and as a barrier (masking tape) is built between the magnet and an iron object.

How Strong is Your Magnet?
Science NetLinks, www.sciencenetlinks.com

Assessment Ideas

Magnet Millionaire Game: Quia.com (website) - Fun review of magnets based on the popular TV show, Who Wants to be a Millionaire.

Magnet Millionaire Game
Quintessential Instructional Archive, www.quia.com

Characteristics of Matter: QUIA (website) - The Quintessential Instructional Archive site contains online science activities, including an online “hangman” game with clues about properties of matter. Elementary, and some secondary, vocabulary words are included in the game. This activity could be used for review, set up as a student center, or for differentiated groups.

Characteristics of Matter
Created Jessica B. and Cody M., Quintessential Instructional Archive, www.quia.com

Magnets: My Schoolhouse (website) - Elementary explanation of magnetism, with interactive worksheet.

Magnets
My Schoolhouse, www.myschoolhouse.com

Literature Connections

Sources of Forces. Science Fun with Force Fields, Cobb, Vicki (ISBN-13: 978-07661315748)

What Makes a Magnet? Branley, Franklyn (ISBN-13: 978-0064451488)

Magnetism. Richardson, Adele (ISBN-13: 978-0736854479)

Magnets. Delta Education (ISBN-13: 978-1592423712)

Related Science TEKS

(2.1A) Science Safety
The student is expected to identify and demonstrate safe practices as described in the Texas Safety Standards during classroom and outdoor investigations, including wearing safety goggles, washing hands, and using materials appropriately.

(2.1B) Importance of Safe Practices
The student is expected to describe the importance of safe practices.

(2.1C) Recycling/disposal of Science Materials
The student is expected to identify and demonstrate how to use, conserve, and dispose of natural resources and materials such as conserving water and reuse or recycling of paper, plastic, and metal.

(2.2A) Ask Questions
The student is expected to ask questions about organisms, objects, and events during observations and investigations.

(2.2B) Plan and Conduct Descriptive Investigation
The student is expected to plan and conduct descriptive investigations such as how organisms grow.

(2.2C) Collect Data
The student is expected to collect data from observations using simple equipment such as hand lenses, primary balances, thermometers, and non-standard measurement tools.

(2.2D) Record and Organize Data & Observations
The student is expected to record and organize data using pictures, numbers, and words.

(2.2E) Communicate and Justify Explanations
The student is expected to communicate observations and justify explanations using student-generated data from simple descriptive investigations.

(2.2F) Comparing Results of Investigations
The student is expected to compare results of investigations with what students and scientists know about the world.

(2.3B) Make Predictions
The student is expected to make predictions based on observable patterns.

Related Math TEKS

2.12D  The student is expected to use tools such as real objects, manipulatives, and technology to solve problems.

2.13A  The student is expected to explain and record observations using objects, words, pictures, numbers, and technology.

Additional Resources

Magnetism: NDT Resource Center (website) - Wonderful tutorial to refresh your memory on the topic of magnetism. It is organized into sequenced headings, each containing interactive simulations and reflective questions.

Magnetism
NDT Resource Center, www.ndt-ed.org

Magnets and Springs: BBC Science Clips (websites) - This interactive resource can help to develop students’ understanding of objects that are attracted to magnets.

Magnets and Springs
BBC Science Clips, www.bbc.co.uk

Magnets and Springs: Science Kids (website) - Learn about magnets and springs while trying to solve the various challenges in these fun science activities.

Magnets and Springs
Science Kids, www.sciencekids.co.nz

Characteristics of Matter: Quintessential Instructional Archive (website) - Site with online science activities, including an online “hangman” game with clues about properties of matter. Elementary, and some secondary, vocabulary words are included in the game. This activity could be used for review, as a student activity center, or for differentiated groups.

Characteristics of Matter
Quintessential Instructional Archive,www.quia.com

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