Curated OER
Assessing Risks for Inhalation and Ingestion of Pollutants
Young scholars use a hypothetical scenario to investigate inhalation of an airborne pollutant and ingestion of a waterborne pollutant. They work in pairs, investigating differences in overall exposure to contaminants by calculating...
Curated OER
# 03 Laboratory Ventilation and Risk Assessment Exercise
Students are introduced to the analysis of health risks in the laboratory, particularly from vapors from organic solvents. They consider quantitative measure of risk such as threshold limit values (TLVs), the amount of the compound that...
Curated OER
Calculating Parts per Million: Do We Have a Problem Here?
Students calculate ppm and ppb by using unit analysis when given a ratio of amounts.
They determine in ppm what constitutes a health risk for a particular toxin given data
and whether local health officials should close a lake...
Curated OER
What Are The Risks From Radon?
Learners examine the health risks of radon in the home. They calculate the odds for each risk and use different forms of measurement. They work together to complete the activity and worksheet.
Virginia Department of Education
Radioactive Decay and Half-Life
Explain the importance of radioactive half-life as your high school biologists demonstrate the concept by performing a series of steps designed to simulate radioactive decay. Pupils use pennies to perform an experiment and gather data....
Baylor College
Body Mass Index (BMI)
How do you calculate your Body Mass Index, and why is this information a valuable indicator of health? Class members discover not only what BMI is and practice calculating it using the height and weight of six fictitious individuals, but...
Physics Classroom
From a Feather to an Elephant
It is always a rush to drop objects from great heights, and with this physics experiment, class members will not be disappointed! They drop a single coffee filter from a balcony or table top, record the time it takes to reach the ground,...
Curated OER
You Are What You Eat: Chemical Residues and Consumers
Students determine how evidence gained from a simulated test for the presence of pesticide residues can be used to determine risk. They use peas to simulate pesticide residue testing.
Curated OER
UV Beads
Students recognize preventitive measures that can be taken to reduce the risks associated with exposure to solar radiation. They explain why solar radiation can be harmful. They utilize beads that turn color when exposed to UV rays. Good...
Curated OER
Fertilizers, Pesticides and Human Health
Students define several vocabulary terms related to chemicals and toxicology. Students calculate chemical concentrations in water and explain the toxicological principles that govern safety of substances. Students conduct an...
Curated OER
Watch Out for Landslides
Students conduct an experiment. In this landslides lesson, students learn about landslides and discuss how they could minimize the risk of landslides. Students complete an experiment to see if changing the slope of the land...
Curated OER
Specific Heat of Metals
Students determine the specific heat of unknown metals. based on their hypothesis and design proposal. They analyze the findings of the specific heat of the unknown metals. Students complete this by questions, hypothesis, rationale,...
Beyond Benign
Punnett Square Possibilities
Discover possible genetic outcomes through Punnett Squares. Learners continue studying genetic traits in the 10th lesson in the 17-part series. After determining the father of Sparky's kittens, scholars now attempt to predict the traits...
Curated OER
The Role of Profits in the Economy
Students discuss the role of profits in an economy. As a class, they explain why profits are an incentive and practice calculating profit and loss. They discover what a firm in capitalism must do to earn profits and explain the...
Curated OER
Fertilizers, Pesticides and Health
Students apply real data to create and calculate algebraic equations. Students create a visual to represent the concentration for one part per million and apply unit analysis to verify measurement computations. Students define the use...
Curated OER
Titration and Molarity
Young scholars investigate the concept of molarity and its relationship to the concentration of a solution. After mixing chemical solutions, they calculate how many moles of acid and base should be in each solution. They record their...
Curated OER
Radiation Reassessed
Students investigate the dangers of radiation by exploring recent nuclear tragedies. For this scientific debate lesson, students define the idea of radiation "half life" and determine if low doses of radiation are truly damaging to...
Curated OER
Chances Are: Talking Probability
Students explore probability and the process of data analysis and predictions. They participate in two activities, one involving a calculator and one the Internet, in which they make predictions and conduct activities to test their...
Curated OER
Graphical Determination of Density
Students determine the density of metal shot by a graphical method using significant digits in making measurements and calculations. Students graph a seris of laboratory measurements and determine density from a mass verses volume graph.
Curated OER
How Does Radon Get Into Your Home?
Students examine their home and calculates the amount of ventilation found. They also compute the surface area of different objects. They determine what is needed to reduce the amount of radon entering the home.
Curated OER
Accidents Happen: Seat Belt Laws, Enforcement, and Usage
Start with a NOVA video about car crashes, crash test dummy footage, or other video about seat belt use. Or have groups review attached data about seat belt usage (by state) and share their conclusions. Learners then devise a method to...
Curated OER
How Toxic Is It?
Learners participate in an activity in which they investigate the scientific method and seed germination as well as practice graphing and metric measuring skills. Students examine toxicity by exposing Wisconsin Fast Plants seeds to toxic...
Curated OER
Exposure!
Students investigate that chemicals may affect different people in different ways. They also realize that their perceptions of dangerous materials may not be realistic and that the news media may not provide all the information needed to...
US Navy
The Science of Diving
Introduce gas laws using the popular topic of SCUBA diving. This activity makes a connection between the gas laws and the effect of pressure and temperature changes during diving. Young engineers complete introductory experiments to...