With the Chemistry, Physics, and Modern Materials Demonstration Kit, explore the building blocks of modern materials. Model four modern material concepts.
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Bring amazing real-world modern materials into your classroom! This multi-demonstration kit includes:
• Ferrofluid A magnetic fluid created by extremely small Fe3O4 particles. Dramatically demonstrate the unique physical properties of ferrofluid and how magnetic nanoparticles respond to a magnetic field. This application was invented by NASA to control liquids in space!
• Liquid Crystals Matter that behaves as both a liquid and a crystal. Liquid crystal molecules move independently like a liquid and also organize themselves like a crystalline solid. Temperature changes the molecular alignment of the crystals, creating different colors at various temperatures. Used in liquid crystal displays (LCD) for laptops, optical imaging, and whimsical items such as mood rings.
• Nitinol Wire This nickel-titanium metal alloy has a “memory!” Construct the desired shape of the nitinol wire in cold water. Then, place it in hot water and watch it quickly and forcefully spring back into its original shape.
Includes a reproducible student worksheet and detailed Teacher Notes with instructions, tips, and answers to all questions.Enough materials are included to perform the demonstration seven times.
Concepts: Nanotechnology, magnetic properties, colloids vs. solutions, liquid crystals, diffraction, metal alloys, crystal structures.
Time Required: 40 minutes
Chemicals Provided: Ferrofluid, cholesteryl oleyl carbonate, cholesteryl pelargonate, contact paper, aquarium thermometer, vials, nitinol wire.
Correlation to Next Generation Science Standards (NGSS)
Science & Engineering Practices
Developing and using models
Obtaining, evaluation, and communicating information
Analyzing and interpreting data
Using mathematics and computational thinking
Constructing explanations and designing solutions
Disciplinary Core Ideas
MS-PS1.A: Structure and Properties of Matter
MS-PS2.A: Forces and Motion
MS-ETS1.B: Developing Possible Solutions
MS-PS2.B: Types of Interactions
MS-PS3.A: Definitions of Energy
HS-PS1.A: Structure and Properties of Matter
HS-PS2.B: Types of Interactions
HS-PS3.A: Definitions of Energy
HS-PS4.A: Wave Properties
HS-ETS1.C: Optimizing the Design Solution
Cause and effect
Systems and system models
Energy and matter
Structure and function
MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
MS-PS3-1. Construct and interpret graphical displays of data to describe the relationships of kinetic energy to the mass of an object and to the speed of an object.
MS-PS2-5. Conduct an investigation and evaluate the experimental design to provide evidence that fields exist between objects exerting forces on each other even though the objects are not in contact
MS-PS4-2. Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.
HS-PS1-3. Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles.
HS-PS4-5. Communicate technical information about how some technological devices use the principles of wave behavior and wave interactions with matter to transmit and capture information and energy.
HS-PS2-6. Communicate scientific and technical information about why the molecular-level structure is important in the functioning of designed materials.