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The Disappearing Beaker—Demonstration Kit

By: Lee Marek, Retired, Naperville High School, Naperville, IL

Item #: AP6264

Price: $35.85

In Stock.

In the Disappearing Beaker Demonstration Kit, show your students that there’s more to light travel than “meets the eye.” Set a beaker in another, pour in pale yellow oil, and watch your students marvel while the beaker disappears.

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Product Details

Set a beaker in another, pour in pale yellow oil and the beaker disappears! In this entertaining demonstration of refractive index, show your students that there’s more to light travel than “meets the eye.” By matching the index of refraction of glass with canola oil, glass objects fade from sight. Teacher Demonstration Notes included.

Concepts: Index of refraction, magnification.
Time Required: 15 minutes

Specifications

Materials Included in Kit: 
Canola oil, 32 oz, pure
Beaker, ungraduated, 250 mL
Magnifier, plastic, dual lens
Pop beads, green, 5
Pop beads, red, 5
Tube, culture, with cap 20 x 150 mm


Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Constructing explanations and designing solutions

Disciplinary Core Ideas

MS-PS4.A: Wave Properties
MS-PS4.B: Electromagnetic Radiation
HS-PS4.A: Wave Properties
HS-PS4.B: Electromagnetic Radiation

Crosscutting Concepts

Structure and function
Stability and change

Performance Expectations

MS-PS4-2. Develop and use a model to describe that waves are reflected, absorbed, or transmitted through various materials.