Curated OER
How Toxic Is It?
Students 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
Solutions
In this solutions worksheet, students determine colligative properties, calculate specific heat, and review the kinetic theory as it applies to gases. This worksheet has 8 multiple choice and 9 problems to solve.
Curated OER
Environmental Problems and Solutions
In this environmental problems and solutions worksheet, students are given a list of 25 environmental problems. They match them with a given solution and paste the matching pairs to a piece of construction paper.
Curated OER
Toxic River
Students explore environmental safety by participating in a class game. In this toxic chemicals lesson, students discuss the effect chemicals have on our environment and how to best protect against their dangers. Students participate in...
Curated OER
Using the Spectrophotometer to Analyze a Mixture
General chemistry classes practice spectroscopy. They grasp the relationships between wavelength, absorbance, and solution concentration. Additionally, they gain valuable practice using laboratory equipment such as burets and pipettes....
College Board
2002 AP® Environmental Science Free-Response Questions
Are electric motors all they're cracked up to be? Scholars take a stance and use their knowledge to discuss the benefits and disadvantages of the motor as the first question in a series of four. The questions that follow ask about other...
Curated OER
Water the Universal Solvent
In this water and solvent worksheet, students answer 20 questions about solutes, solvents, polarity in molecules, and the characteristics of water as a solvent. Students answer 3 questions about the lab they completed using temperature...
Beyond Benign
SLS Toxicology Test
Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...
National Nanotechnology Infrastructure Network
The Effects of Gold and Silver Nanoparticles on Brine Shrimp: A Toxicology Study
Who doesn't love gold and silver? Brine shrimp, that's who! Learners conduct an experimental lesson to monitor the toxicity of gold and silver nanoparticles on brine shrimp. They synthesize solutions to expose the brine shrimp to and...
Beyond Benign
Daphnia Bioassay LD50
De-icing materials may have a harmful effect on our environment; have your class perform an experiment to test the nature of these effects. Scholars monitor the survival rate of a sample of daphnia as the concentration of a de-icing...
Beyond Benign
Solubility
Enhance your class' ability to understand solubility. Science scholars examine how temperature and concentration affect solubility using an interesting lab experiment. The introduction and procedure also discuss the relationship between...
Royal Society of Chemistry
Some Reactions of Carbon Dioxide—Microscale Chemistry
Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium hydroxide...
National Institute of Open Schooling
Environmental Concerns
Every year, more than 14 billion pounds of garbage is dumped into the oceans of the world, most of which is plastic and toxic to ocean life. Lesson 32 in the series of 36 focuses on environmental concerns, specifically pollution. Under...
Curated OER
The Seeds Tell the Story
Young scholars explore sources of pollution runoff and actions that can be taken to reduce runoff. In this pollution lesson students complete a worksheet and see why bio-essays may provide a more realistic picture of toxicity.
Curated OER
Chapter 22 - 25 Review
In this chemistry review worksheet, learners explore their knowledge of solutions, acid and bases, nuclear reactions, and radioactive decay as they answer 33 matching, fill in the blank, and short answer questions.
Teach Engineering
Breathing Cells
Pairs work together to determine whether unknown solutions are either acids or bases by using a red cabbage indicator solution. After determining the general pH of the unknown solution, classmates blow into the same indicator after...
Curated OER
Describe Environmental Interrelationships
Students describe environmental interrelationships using list of criteria. They are able to explain organism interaction, based on definitions provided. Also, students can use references and worksheets, to describe effects of pollution...
Curated OER
What is the Best Solution to Dye Easter Eggs?
Students use red and blue litmus paper to determine the category of common substances. They then set up an experiment using vinegar, water, and ammonia (or milk of magnesia) to determine that acids make the best solution for dyeing...
Royal Society of Chemistry
Lead Compounds: Precipitation Reactions and Pigments—Microscale Chemistry
Colorful lead compounds never fail to impress! Solubility scholars examine a series of double replacement reactions involving lead nitrate and record their observations. The second part of the experiment illustrates the differences...
Curated OER
Parts-Per-Million Concentration Lab
Students develop a comprehension of parts per million as a concept. They work in teams to create successive dilutions of a solution to reach a parts-per-million concentration. Students list what they think the atmosphere is made of. They...
Curated OER
What is the Percentage of Copper in "Copper" Coins?
Whether in the UK or in the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, just note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in...
Curated OER
Landscape Garden Makeover
A project-based learning plan focuses on landscapes in the community. After identifying problems, such as dead trees or misplaced automatic sprinklers, learners design solutions, contact local organizations to fix the problems, and do...
National Nanotechnology Infrastructure Network
Can Small Pollutants Harm Aquatic Organisms?
Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second instructional activity of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle...
NOAA
What Killed the Seeds?
Can a coral cure cancer? Take seventh and eighth grade science sleuths to the underwater drugstore for an investigation into emerging pharmaceutical research. The fifth installment in a series of six has classmates research the wealth of...