Is your class in the dark about photosynthesis? Shed some sunlight on an important biological process with a thoughtful activity. After answering questions to help determine their level of knowledge, learners work with chemical equations...

When was the last time your class saw a catalyst in action? Chemistry scholars observe an activated complex during an engaging experiment. Through both color change and evolution of a gas, individuals gain insight into the...

When life hands you lemons ... experiment on them! Green chemistry gurus compare extraction methods for essential oils through a lab activity. Lab groups use traditional distillation and liquid carbon dioxide extraction methods, then...

Some of the CO2 emitted by burning fossil fuels is removed from the atmosphere by natural sinks, such as the ocean. The fifth engaging instructional activity in the series of 21 examines the CO2 data from three very different locations....

Can your breath change the acidity in a liquid? A instructional activity begins with a demonstration that proves it can. Then scholars perform an experiment to determine if other gases can change the pH of liquids. Finally, they research...

The average person's heart beats about three billion times during their lifetime. In this circulatory system video, learners briefly see the difference between an open and closed circulatory system. The rest of the video focuses on the...

An online reading and interactive game bring the path of a carbon molecule to life for your earth science explorers! As an assessment, learners can map out or write about their experience in the carbon cycle. Thoroughly written...

Pair earth scientists up to use an amazing online arctic portal mapping tool and Google Earth to analyze permafrost changes. They compare changes to data on atmospheric concentrations of methane to see if there is a correlation. Then...

Middle school science stars examine fuels and energy with a variety of activities. They begin with a KWL chart, read an informative passage, and then complete a puzzle. The puzzle itself is included. Cleverly, each piece corresponds to a...

If Hemoglobin and Red Blood Cells play an important role in your curriculum or have piqued your students' interest, then this video would be an asset for understanding that higher acidity and Carbon Dioxide play an allosteric inhibition...

This topic builds on the previous video. It deals with the equation of respiration and whether electrons or hydrogen are being lost or gained at the different stages.

Explore structures within the realm of gas exchange in terrestrial and aquatic life.  The excellent, labelled diagrams and clear descriptions help your students view the different structures and adaptations that have developed. The 29...

During an inquiry-based lesson, scholars decide which variable to test and then design an experiment to determine the needs of producers. After two weeks, they complete a full analysis and research paper.

How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...

Trees are the star of a three-step unit celebrating Arbor Day. Step one takes an in-depth look into the structure of a tree, the process of photosynthesis, and the benefits of the leafy giants. Step two challenges scholars to create a...

Young scientists explore climate change by taking a look at many different disciplines. They hear from scientists who study soil, clouds, ice cores, ocean temperatures, and more. Then, they search public databases to draw their own...

Plastic bags, laptops, and even toothpaste all contain petroleum. A lesson explains how to define fossil fuels, including petroleum, and the many uses for fossil fuels in our everyday lives. It also details why new sources need to...

One lake in Germany killed everything that swam in it, drank from it, or flew over it providing scientists with an incredible fossil record and a huge mystery. PBS Eons explains the rarity of the fossil finds including turtles in the...

Is atmospheric carbon dioxide really to blame for global warming? Young environmentalists analyze historical carbon dioxide and temperature data during a multimedia activity from PBS's Weather and Climate series. High schoolers read...

How does energy from the sun make plants grow? Scholars move step by step through the processes that promote plant propagation during a detailed lesson. The resource illustrates ADP production and hydrolysis, then allows learners to...

Carbon is in the air; should we care? Teach the class why it is important to pay attention to carbon levels and how the world population and various countries across the globe affect the carbon levels in the atmosphere. High schoolers...

Earth's climate changed drastically throughout the history of the planet, so why do scientists blame humans for recent changes? Observe data covering the history of the planet that proves the natural climate change patterns. Then, learn...

Climate change affects even the largest and intimidating of landforms—even Mount Everest! A resource helps teach learners the connection between global climate change and its effects on Earth. Activities include videos, class discussion,...

Do animals breathe faster when given more oxygen or more carbon dioxide? Young scientists observe the respiration rates of locusts under a variety of gas concentrations to answer that very question. They collect data, analyze the...