How quickly do enzymatic reactions occur? Assist the class as they examine heat and pH change to determine the rate of chemical reactions using catalase as an enzyme. Watch them "glow" with excitement!

Explore how chemical processes reduce production waste. The 19th lesson in a 24-part series has learners explore the impact of green chemistry techniques on waste in production scenarios. They consider petrochemicals, bulk chemicals,...

Help your class understand the magnitude of the distance between Earth and Mars with an activity that asks small groups to use balloons to create scale models of the Earth, Moon, and Mars. Class members figure out the distances...

If your pupils think a catalyst is a list of their cats, then this might be the lesson plan for you! Young chemists study the effect of temperature, catalysts, concentration, and particle size on reaction rates during four different...

Students complete an experiment with Alka-Seltzer and reaction rates. They control the rate in which gases are allowed to escape. They test their predictions and observe what happens during the experiment.

How can we keep racism out of our society? Analyze the factors that lead to racism today and research previous scientific findings that impacted social policy. Your high school learners identify ways to prevent past mistakes from...

What does your class know about GMOs? Are they savvy to selective breeding? Challenge young minds to engineer the greatest crop of all time using a hands-on genetics unit. Learners discover the good and bad details of selective breeding,...

A set of guided notes walks your biology or environmental studies learners through the dynamics of ecosystems. They write short answers to questions about the energy budget, food webs, trophic levels, and biogeochemical cycles. One way...

The "Bottled Bacteria" activity instructions are a bit unclear, but the remaining activities investigating limiting factors in ecosystems are well-written. Learners model the exosystem of a bear and a herd of deer. They set up a...

Fifth graders identify all parts of an egg, and explore their importance to the life cycle of a chicken. Learners compare all sorts of birds and place them in categories based on what they look like. This five-day lesson effectively...

Give your class a chance to show what they know. In the last installment of a seven-part series, pupils summarize and review what they have learned in the series. They present their solutions for creating a biosensor to detect cancer...

In this chemistry worksheet, students select answers to 8 multiple choice questions from the drop down box. They identify the factors affecting rates of chemical reactions.

Friction and gravity are always at odds! Learners complete a set of activities to explore the relationship between friction and gravity. Groups make conclusions about the factors that affect the amount and type of friction between surfaces.

Use indirect measurements to monitor metabolic activity in plant cells. Scholars understand that cells with a higher metabolic rate have a higher concentration of catalase enzyme. They use this information to compare metabolic rates of...

Is qualitative or quantitative research more convincing when it comes to climate change? In the eighth lesson during this 21-part series, scholars begin by performing a quantitative analysis of deforestation and urbanization. Then, they...

The second installment of a seven-part series focuses on the refraction of light and how it affects the colors we see. Learners consider how this concept connects to biosensors for cancer detection.

Wrap up the unit in one final design. Pairs use their knowledge of aviation to design new flying machines and record how their designs take into consideration the forces that act upon airplanes. The pupils determine whether their designs...

Clean up the environment with a lesson that focuses on replacing hazardous cleaning supplies with green, environmentally-friendly products. Using a dirty patch of surface as a control area, kids clean other parts of various surfaces...

Ninth graders recognize differences in soil quality from one area to another. They describe the importance of organic matter in soil health and suggest ideas that help provide adequate food supplies for the world. The interview a person...

Middle schoolers have a bushel of fun as they engage in activities and research core facts about apples. Packed with suggestions for in-class activities and out-of-class research, the colorful 6-page packet is sure to satisfy hungry...

High schoolers consider decisions about how to use resources that are in short supply. Learners role-play different perspectives in a land-use simulation, and examine land use issues around the world. This interesting instructional...

Students discuss advertisements and techniques they have discovered. They read an article about the science of selling and create an advertisement of their own to sell a book. They record people's reactions to their advertisement and...

Weather — there's more to it than meets the eye of the storm. With this resource young meteorologists learn about the basics of weather, including information about the factors that influence the weather, common weather vocabulary,...

Protect skin from UV radiation! Groups design and conduct an experiment to test the effectiveness of UV safety products. The groups collect the data from the experiment and prepare a lab report. In the second day of the activity,...