Biology Junction
Water Biomes
Water covers more than 70 percent of Earth's surface. Scholars learn about both freshwater and saltwater biomes in a simple presentation. They compare and contrast the differences in oxygen levels, food sources, and sunlight to better...
NOAA
Investigating Coral Bleaching Using Data in the Classroom
Approximately 93 percent of the individual reefs in the Great Barrier Reef suffer from coral bleaching. Scholars learn how scientists monitor coral bleaching around the world as part of a larger series. They use actual data to answer...
PBS
Going Green
Trash is where it's at! Using bags of garbage collected from the school, learners sort the contents into categories based on type of material and collect data on the results. The data may include weight, volume, and/or percent of the trash.
Bonneville
Home Energy Audit
Reduce energy consumption and save some money at the same time! The third of seven installments in the A Community Powered by Renewable Energy unit focuses on energy use in the home. Learners investigate the energy needs of small and...
Texas Education Agency (TEA)
Cognates (English III Reading)
Did you know that "30-40 percent of all words in English have a related word in Spanish?" This fact launches an interactive study of cognates appearing the same in English and Spanish. Learners demonstrate what they have learned about...
Institute of Electrical and Electronics Engineers
A Century of Plastics
After reading about polymer materials, engineer trainees examine how plastics have been integrated into everyday products. In groups, they compile a list of products made entirely without plastics and then, as a closing activity, try to...
NOAA
Fishy Deep-sea Designs!
Oceans represent more than 80 percent of all habitats, yet we know less about them than most other habitats on the planet. The instructor introduces the epipelagic, mesopelagic, bathypelagic, twilight, and midnight zones in the ocean....
Curated OER
Condensation Polymerization: Preparation of Nylon 6/6
Students participate in a lab activity in which they synthesize nylon 6/6, calculate the percent yield by mass, identify the polymer as thermoplastic or thermoset, and determine the melting point, density and end-product use of the polymer.
National Wildlife Federation
How Do You Feel About Water?
Less than one percent of the water on Earth is usable in people's homes. As pupils consider this fact, they reflect on their own water usage before designing a survey to collect information on water usage by others. They then analyze...
Statistics Education Web
Walk the Line
How confident are you? Explore the meaning of a confidence interval using class collected data. Learners analyze data and follow the steps to determine a 95 percent confidence interval. They then interpret the meaning of the confidence...
Curated OER
Inscribing a Square in a Circle
Inscribing a square in a circle brings up a number of interesting geometry topics including triangle congruence and how to prove a quadrilateral is a square. This activity is followed up by finding the area of the square and determining...
Baylor College
Using Food Labels
Help your class make sense of nutrition labels with the ninth lesson plan of this series. After explaining the different information provided on packaged food labels, perform an activity that demonstrates the amount of sugar in a single...
Carolina K-12
Compulsory Voting
Should voting in the United States be compulsory? In 2004, fewer than 60 percent of eligible voters cast ballots in the American national elections. After reviewing arguments for and against compulsory voting, your young citizens will...
Benjamin Franklin High School
Saxon Math: Algebra 2 (Section 1)
This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly...
Southwestern Medical Center
Field Epidemiology: Investigation of an Unknown Disease
More than 90 percent of the people in a building have come down with an illness, and it is your job to investigate. Teachers give scientists the data needed to decide what is important and how they can solve the mystery....
Statistics Education Web
10,000 Steps?
Conduct an experiment to determine the accuracy of pedometers versus pedometer apps. Class members collect data from each device, analyze the data using a hypothesis test, and determine if there is a significant difference...
Polar Trec
Can Carbon Dioxide Act Like a Greenhouse Gas?
Ninety-seven percent of scientists who study climate agree that human activity is warming the planet. Learners explore carbon dioxide as a greenhouse gas, a gas causing this warming, through a hands-on experiment. Once complete, they...
NOAA
Exploring Potential Human Impacts
Arctic sea ice reflects 80 percent of sunlight, striking it back into space; with sea ice melting, the world's oceans become warmer, which furthers global warming. These activities explore how humans are impacting ecosystems around the...
National Institute of Open Schooling
Air Pollution
Seventy percent of the air pollution in China is due to car exhaust. Under the umbrella of environmental chemistry, learners extensively explore air pollution. From the makeup of our atmosphere to sources of major air pollutants, classes...
Chicago Botanic Garden
The Carbon Cycle
There is 30 percent more carbon in the atmosphere today than there was 150 years ago. The first lesson in the four-part series teaches classes about the carbon cycle. Over two to three days, classes make a model of the cycle,...
National Wildlife Federation
The Amazing Adventures of Carbon: How Carbon Cycles through the Earth
Here's a stat for your pupils: 18 percent of the human body is carbon! Part 10 in the series of 12 takes pairs on an adventure through the carbon cycle. After a class reading about carbon, pairs read and choose their own adventure...
Science Matters
Ring of Fire
Over a period of 35 years, earthquakes and volcanoes combined only accounted for 1.5 percent of the deaths from natural disasters in the United States. The 15th lesson in a 20-part series connects the locations of earthquakes and...
CK-12 Foundation
Exponential Decay: Cool Sunglasses
Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They...
Space Awareness
Oceans as a Heat Reservoir
Oceans absorb half of the carbon dioxide and 80 percent of the greenhouse gases released into the atmosphere. Scholars learn how and why the oceans store heat more effectively than land and how they help mitigate global warming. Pupils...
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