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SMD Forum
Filters: Your search found 7 results.
Topics/Subjects:
Physical sciences
Materials Cost:
\$1 - \$5
SMD Forum - Primary:
Earth Science
Instructional Strategies:
Demonstrations
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# Why is There a Tidal Bulge Opposite the Moon?

In this activity, students use mathematics to understand tides and gravitation and how gravity works across astronomical distances, using an apparatus made from a slinky, meter stick, and a hook. A description of the mathematical relationships seen... (View More)

# The Electromagnetic Spectrum

In this lesson, students are introduced to the electromagnetic spectrum. They observe a demonstration of the visible light spectrum created by a flashlight and a prism, complete an activity sheet where they identify the wavelength that is involved... (View More)

# Potato Float

This is a hands-on lab activity about seawater density, specifically the relationship between density of fluid, weight of an object, and buoyancy. Learners will develop hypotheses and observe a demonstration of density to understand its role in... (View More)

# Barometer Basics

This experimental activity is designed to develop a basic understanding of the interrelationship between temperature and pressure and the structure of a device made to examine this relationship. Resources needed to conduct this activity include two... (View More)

# Seeing Interference Fringes

In this demonstration, students detect the interference of waves and measure wave phenomena using an experimental apparatus consisting of a laser pointer, a second surface mirror scrap (like a bathroom mirror) binder clips, razor blade, ruler, and a... (View More)

Audience: Middle school
Materials Cost: \$1 - \$5 per group of students

# Preventing Hypothermia

In this demonstration, the process of cooling by evaporation is related to the serious health risk of hypothermia. Materials required include a desk fan, thermometer with exposed bulb, cotton or gauze, bowl, and material including cotton and wool.... (View More)

# Mixing and Stirring

This hands-on activity demonstrates how the combining two fluids (confluence of two rivers, Mediterranean water spilling over the straits of Gibraltar into the Atlantic) involves two processes: (1) stirring - stretching of the bulk fluid, and (2)... (View More)

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