Learners participate in a laboratory investigation in which they observe the effect of temperature and pH on enzyme activity. Students also examine exposure to heavy metal ions and the effect that may have on enzyme activity.

Students work in groups of two or three, groups are given four unidentified bottled waters in unmarked containers and the chemical characteristics taken from the label on the bottled waters. They devise and carry out a plan to match the...

Students investigate nutrient cycling in a simplified desktop ecosystem involving aquarium and hydro-ponically grown plants. They set up an aquarium with 10 gallons of water at least a week before the lab is planned and place...

Future energy engineers visit several stations, each one dedicated to a different alternative source of energy. They describe how solar energy is converted into other forms of energy, the patterns of distribution of energy resources in...

For this moles worksheet, students define a mole and convert grams to moles or moles to molecules. Students convert specific mass of compounds to moles. This worksheet has 1 true or false, 6 short answer, 3 fill in the blank, and 15...

In this nomenclature worksheet, students write the names of covalent and ionic compounds as well as write the formulas when given the names. They also write the names of acids given the formulas and write the formulas when given the names.

In this compounds activity, students write the name or the formula for the given compounds. This activity has 20 problems to solve.

This is not a activity per se but a reference sheet for your chemistry class. It lists cations and anions, their chemical symbols, and their net charges. Also included is a thorough explanation of combining these ions to form ionic...

Junior chemists manufacture biodiesel in the lab. In this exercise, they check the purity of the biodiesel using thin layer chromatography. They also calculate its density and heat of combustion. They are sure to rise to the...

Students examine the relationship between chlorophyll and carbon dioxide in the atmosphere.  In this investigative activity students study the local effects of climate change. 

After reading a short and informative paragraph on animals and their environments, learners look at pictures of four animals, and write a short description of how each one has adapted to its environment. A suggested activity is that each...

If your class is learning about polyatomic ions and needs a fun way to study those chemicals, then a bingo game might be right up your alley. This bingo game is intended to boost memorization skills, specifically the names of tricky...

Lost an electron? You should keep an ion them. Young chemists learn qualitative analysis in the second lesson of an 11-part chemistry series. After observing reactions of simple salts, the teacher provides pupils with unknown...

Take a look into how whole grains support growth, provide energy to play, and help us to stay strong with a fun-filled resource. The activity offers interesting food facts, an exercise in nutrition label reading, a recipe...

My room isn't messy — it's a scientific experiment in entropy! Scholars investigate entropy, enthalpy, and spontaneity through a guided procedure and set of questions. The lesson connects the Second Law of Thermodynamics, energy...

Small but mighty! Learners explore the role of microbes in a healthy ecosystem. An engaging lesson asks pupils to design an aquaponics system that demonstrates that healthy microbes are necessary to maintain the ecosystem.

All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...

What do you get when you combine precipitate reactions with puzzles? Maximize the engagement in a single replacement reactions lesson by incorporating fun puzzles. Chemistry scholars observe the reaction between several sodium halides...

Antibacterial socks are a product of nanotechnology. An inquiry-based lesson asks collaborative groups to create their own antibacterial socks and then test them against other products on the market. The sock with the least amount...

Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second lesson of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle pollutants. They...

What does it mean to be a good steward? Middle school environmentalists learn to care for their state's waterways through research, a guest speaker, and poster activity. Groups must locate and learn more about a river basin and the human...

What's in your water? And, why is water quality so important? Enhance your class's level of water appreciation through a lesson that demonstrates the necessity of water quality. Environmental enthusiasts explore the EPA's Clean Water...

Fertilizer can mean the difference between a profit and a loss. Scholars use an online interactive to explore the effects of fertilizing in agriculture. Given information about the nitrogen levels in the soil, they decide the fertilizer...

Responsible farming is important for maintaining natural resources. Eager scientists complete a WebQuest to explore what happens to nitrogen when it enters the soil. They learn about the chemical makeup of nitrogen-based molecules...