Those Before Us

Which electricity pioneer made the largest contribution to where we are today? Pupils select a scientist or inventor to research and present to the class. From Celcius in 1701 to Ed Hammer in 1976, many scientists contributed to the...

Is it really that big of a deal if the global climate undergoes a little change? Young environmentalists consider this very question as they discuss in small groups the impact of different climate change scenarios on their lives, their...

Nobody is as smart as all of us together. In a collaborative learning activity, scholars learn it takes a team to be successful in laparoscopic surgeries. Groups complete the laparoscopic task as a team and discuss their results to...

Gravity exists as both a scientific theory and a scientific law. For those struggling with the difference between scientific facts, theories, hypothesis, and laws, an informative video comes to the rescue. It offers a definition of each...

The Ideal Gas Law isn't always ideal. Learn about situations where gases behave differently and calculate those changes by using van der Waals' equation.

Have you ever wanted to glow? The reasons creatures glow change based on their situation and biology. The video lesson discusses mating rituals, defense, and reasons we don't understand yet. It also explains how creatures glow and how we...

Scientists believe red hair and pale skin evolved in northern Europe because it helped humans synthesize vitamin D easier than those with more melanin in their skin. Viewers explore many interesting facets of evolution in a video all...

The lecturer describes how certain characteristics develop. In this case, he discusses eye marking. The impact of environmental factors plays a huge role in the probability of successful reproduction and the fact that favorable genes...

Populations, communities, ecosystems, and biospheres are the subject of a video that investigates biomes and reveals that taigas, or boreal forests, are the largest biome, covering 17% of Earth's land surface. Viewers then explore how...

In this colorful animation, our current problem with climate change is likened to a block-stacking game of Tetris. Greenhouse gases are increasing in the atmosphere at an increasing rate. Can we place them properly before it's too late?...