Curated OER
What are Quarters Made of?
Learners study the meaning, symbolism, and value of U.S. coins,
especially the quarter. They l research why in 1965 the U.S. Mint decided to
change the metal composition of the quarter to copper coated with zinc. In addition, they...
Curated OER
Acids and Bases - Vinegar II
Eighth graders experiment what happens when acids and bases are mixed together. In this acids and bases experimental lesson, 8th graders decide which of three solutions of unknown pH will neutralize a fourth solution of unknown pH.
Curated OER
Introduction to Plates, Axles, and Gears
Students are introduced to the function and design of the following Lego pieces: beams, bricks, plates, axles, tires, hubs and bushings. They then work with a partner to build something using only these pieces.
Curated OER
Investigating How Pollutants Travel Through Groundwater
Learners determine how pollutants can travel though sediment and explore methods of pollutant removal. They conduct an experiment on porosity and permeability of soils and simulate an EPA "pump and treat" method for removing subsurface...
Curated OER
Body Building
Students determine whether ancient Egyptian drawing was proportional and in perspective by comparing ancient Egyptian drawings, a mummy's x-ray, and contemporary photographs of people.
Curated OER
Calendar and Opening
Students review the days of the week and tell what the current day is by singing a song. They fill in the sentence telling the day of the week it is and then discuss what day yesterday was and the name of the day tomorrow and then talk...
Curated OER
Testing Carving Tools
Pupils onstruct an ancient bow drill and compare its effectiveness at carving stone to marks made by other tools. They perform a careful analysis of the performance of each tool.
Curated OER
Lesson 3: Understanding Population Growth
Students explain population growth in Maryland and its relationship with age structure, household growth and consumption of land.
Curated OER
Plot! Analyze! Draw your Conclusions!
Students download data reported from the Global Sun Temperature Project website. They graph and analyze the data looking for trends and patterns. They prepare a class report with their observations and post it to the website.
Curated OER
Using an Amortization Table
Students search the Internet to find a site that contains an amortization table and make a hypothesis about the results of changing time and rate. They examine the affects of time and rate on a mortgage and discuss the difference in the...
Curated OER
Mars Calendar Project
Students design a calendar that displays time on Mars. They explore the differences between time on Earth and time on Mars while making the calendar.
Curated OER
LEGO Construction Basics-Axles and Wheels
Students examine axles and wheels using LEGO materials. They investigate the uses of axles, gears, and wheels.
Curated OER
Building A Sturdy Car
Learners build a sturdy Lego car using a motor and a pulley. They determine how sturdy the car is by dropping it from the height of the teacher's knee.
Curated OER
Everything Has Parts
Students investigate and explore common objects to discover and identify their parts. They also are encouraged to discuss the need for specific parts and what happens when a part is missing from the whole.
Curated OER
Tall Grass Prairies of Arkansas
Students compare maps depicting the past and present range of tall grass prairie in Arkansas. They research to discover what has happened to the prairie, why it is unique, how it contributes to the biodiversity of Arkansas, and why...
Curated OER
The Impact of Disease on our Lives
Students explore infectious diseases. They analyze the effect of a disease on the community. Students develop a public health policy that addresses the containment of the epidemic. Students create a policy and present findings as part...
Curated OER
Is Organic Food Worth the Extra Cost?
Young scholars calculate the amount of pesticide residue in selected foods for two
pesticides and determine if these levels are safe. They read an article about a
research study looking for metabolites of these pesticides in children....
Curated OER
Coat Caper
Students examine pollen and fibers taken from a garment. They analyze pollen from new hybrids and compare it to the samples from the garment then make individual conclusions concerning the specific historical authenticity of the garment.
Curated OER
That's the Way the Ball Bounces
Students investigate and compare the bouncing ability of the materials from which four different balls are made. They determine which material performs the best for use as a basketball. After collecting data in a small group they...
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Introduction to Toxicology
Students explore the science of toxicology and the relationship between a toxic reaction (response) and amount of substance (dose). They observe two demonstrations illustrating the concept of dose-response.
Curated OER
Erosion: Changing the Face of Earth
Fourth graders explore how the landscape of the planet can be changed by different elements of wind, water, ice and chemicals through hands-on activities. They examine pictures of areas around town and discuss anything they think is out...
Curated OER
Take A Meal Worm To Lunch
Seventh graders, using a magnifying glass, observe mealworms in a cup.
Curated OER
Natural Selection And Evolution
Students investigate the concept of evolution and how natural selection is used as an indicator that evolution has happened. They recognize the three effects it has on diversity and how adaptations can develop. Diversity is explained as...