American Chemical Society
The Energy Efficiency of Heating Water
Can a small change in laboratory procedures save energy? Scholars test three different methods for heating water in a science lab. Then, they calculate the energy efficiency for each and compare them to determine which uses the least...
Teach Engineering
Building a Barometer
Forget your local meteorologist — build your own barometer and keep track of the weather with an activity that provides directions to build a barometer out of a narrow necked bottle, a glass, and some water. Using their barometer, teams...
Curated OER
IB Chemistry 1-2 Fourth Quarter Practice Test
In this chemistry practice test worksheet, high schoolers review their knowledge of oxidation numbers, chemical reactions, and solubility as they answer 15 multiple choice questions.
Nuffield Foundation
Investigating the Effect of Concentration of Blackcurrant Squash on Osmosis in Chipped Potatoes
Model and explore osmosis using squash and potatoes. Young scientists expose chunks of potatoes to different concentrations of a squash solution. They compare the weights of the chunks before and after exposure to the solution and use...
Serendip
Understanding How Genes Are Inherited via Meiosis and Fertilization
Bring the excitement of genetics to scholars with a dynamic hands-on meiosis modeling experience. During the activity, biologists follow step-by-step procedures to build chromosomes, model independent assortment, learn about crossing...
Curated OER
Plate Tectonics: Second Grade Lesson Plans and Activities
Second graders explore convection currents and how they relate to the movement of tectonic plates. Then, young geologists reconstruct Pangaea with a worksheet and pinpoint plate boundaries on a map using locations of earthquakes and...
Curated OER
Sub-Atomic Particles and Energy
In this atomic particles worksheet, students complete an elements chart comparing atomic number, mass number, protons, neutrons, and electrons. Students write the electron configuration for atoms. This worksheet has 1 graphic organizer...
Curated OER
Issues and Opposing Views: Cloning
Students complete analysis activities to compare and contrast an opposing view point in writing and orally. In this opposing views instructional activity, students complete research about cloning. Students make presentations for their...
Curated OER
LD50 of NaCl to Gammarus spp.
High schoolers learn the meaning of LD50 through lecture and discussion. Through experiment, students graph and calculate the LD50 of salt on fresh water amphipods. High schoolers compare results of the experiment with pesticides and...
Curated OER
What's Organic?
Young scholars discuss background information presented by the teacher and read dictionary definitions for the words "organic" and "synthetic." In this gardengin lesson, students complete a worksheet on the material. Young scholars grow...
Curated OER
Radon Alert: Understanding Odds
In this radon alert: understanding odds worksheet, 5th graders predict results of rolling dice and record data in a chart, then compare odds of events and occupations, then compare that with radon exposure.
Curated OER
Galileo's Thermometer: Measuring the Density of Various Unknown Liquids
Sprouting scientists explore the concept of density by making mass and volume measurements for five different liquids. From these measurements, they calculate densities. They apply their learning to explain Galileo's thermometer works...
Curated OER
Climate Change
Young scholars compare weather data and draw conclusions. In this climate change lesson plan, students determine whether data collected over a period of ninety years shows a warming trend.
Curated OER
Beans and Genes/Genetic Probability
Learners use 2 sets of colored beans to represent the genes of an organism. In this genetic probability lesson plan, students use the colored beans to represent the genotypes of offspring which they pull out of a box at random while the...
Curated OER
Nutrients In Chesapeake Bay
Students perform pH and turbidity test to determine water quality. In this environmental science lesson, students analyze NASA database on chlorophyll-a in the bay. They explain how a small river area affects Chesapeake Bay.
Curated OER
Keep It Cool
Students complete a science experiment to study insulation, heat transfer, and permafrost. In this permafrost study lesson, students design and test a soda insulator. Students graph their class data and discuss the results. Students...
Curated OER
Climate Comparison
Students explore climate regions. In this climate lesson, students examine the climate regions of Alaska as well as the state of Hawaii. Students research selected Internet sources to gather information regarding the climates present in...
Curated OER
What's Organic?
Students define and discuss terms organic and synthetic, read article pertaining to organic agricultural practices in Oklahoma, complete worksheet, grow plants using both commercial and organic fertilizer, compare growth rates, and chart...
Curated OER
Denser Sensor
Fourth graders calculate density, compare densities of solids and liquids, measure liquids using a balance, and investigate the significance of density. They conduct an experiment to determine an order of densities, and complete a...
Curated OER
Determining the Age of Fossils
High schoolers examine the concept of radioactive dating. In this radioactive dating instructional activity, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Curated OER
The Nature of Coins
Students examine the Arkansas state quarter and identify natural resources depicted on the quarter. They compare natural resources to man-made resources and identify examples of each.
Curated OER
Radioactive Decay
Students explore radioactive decay. Through various activities, students examine methods for permanent disposal of radioactive waste. After performing a random process experiment, students compare the results to radioactive decay. ...
Curated OER
Finding the Salt Front
Students discuss definitions of estuary, salinity, and the salt front. They listen as the teacher explains the Hudson River Miles and ways the upriver and downriver sections relate to the north and south. Students graph the salt front...
Curated OER
Bay Classroom
Students use the Bay Classroom website to complete a webquest about the Bay Watershed. They complete a worksheet using the website and discuss the answers to their questions with the class.