The Modern Atmospheric CO2 Record

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...

Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...

Have you ever seen solid nitrogen? Or solid carbon dioxide? Watch as a pair of instructors adjust pressure to allow liquid nitrogen to solidify. After they finish, they put the solid nitrogen in water which produces carbon dioxide gas...

Sometimes in science mysteries remain mysteries for a long time! The discovery of diffuse interstellar bands happened nearly 100 years ago, yet it took until 2015 for scientists to understand a single band. Pupils learn about the...

Helium is the second most common element in the universe, yet we are running out of helium on Earth. A video on this important element includes common reactions, uses, and concerns that scholars need to know to understand helium.

Students work in groups, plotting carbon dioxide concentrations over time on overheads and estimating the rate of change over five years. Stacked together, the overheads for the whole class show an increase on carbon dioxide over five...

While clouds may not make for the most enjoyable weather, they play an important role when it comes to regulating the temperature of the earth. Watch this video and learn how these giant masses of water droplets actually help to cool the...

Where do the hydrocarbons we use for energy come from? Science scholars learn the origins of our fossil fuels in a short video. The animated video includes information on how fossil fuels formed, their uses, and how a number of useful...

What do ants, wine, and rhubarb have in common? They all contain carboxylic acids! Introduce your organic chemistry class to this common class of useful molecules with a brief video. The narrator also discusses uses of carboxylic acids,...

Need your class to be keen on alkenes? Organic chemistry scholars discover the relationship between alkanes and alkenes in a short video. The narrator guides them through drawing and naming both groups of molecules, as well as reveals...