Home Planet/Air and Water

Everyone knows the saying “heat rises,” right? Why does heat rise? Let’s use the example of water in a pot. Take a pot full of cold water and place it on a stove. Turn the heat on, and the water near the bottom of the pot gets warmed faster than the water near the top. […]

Here at Science Friday, we’ve been listening to scientists discuss scientific ideas for more than 20 years. In that time, we’ve witnessed many new ideas gain traction in the scientific community. Climate change is one of them. A growing body of evidence suggests that higher levels of atmospheric carbon dioxide—generated from industrialization and pollution from […]

In a fjord near Jakobshavn Glacier in Greenland, glaciologist Jason Amundson captured this 900-meter-high iceberg capsizing, ice crystals flaring up around it like stage smoke. A process like this can take about five minutes and send waves churning through the floating ice around it. “It sounds sort of like thunder, or trains in the distance,” […]

Do you want to try cleaning up an oil spill yourself? This experiment will help you understand why it is such a difficult task. All of the tools you will need are environmentally friendly and easy to find. Resource Type: Activity Grade Level: 6 – 12 Subject Area: Chemistry Topics: Observations, separating mixtures Time: 30 minutes […]