Climate
A modern ‘snowball’ Earth? What the movies get wrong
Earth has experienced several ice ages. These can emerge almost overnight in films. Although dramatic, that timeline is truly Hollywood fiction.
MS-ESS3-1
Construct a scientific explanation based on evidence for how the uneven distributions of Earth's mineral, energy, and groundwater resources are the result of past and current geoscience processes.
More Stories in MS-ESS3-1
- Earth
This long-buried glacier ice is at least 770,000 years old
Thanks to climate change, thawing permafrost in the Canadian Arctic has revealed this glacier remnant that could be more than a million years old.
- Earth
Scientists Say: Avulsion
As rivers seek out easier routes to the sea, path reroutes can transform our world. This is ‘avulsion’ refers to in geology. In medicine, the word can describe injuries.
- Earth
A landslide in a Greenland fjord echoed around Earth for 9 days
Warming permafrost and glacial melt destabilized a fragile mountain slope, leading to a landslide-triggered tsunami in a fjord. Is this a sign of more to come?
- Climate
Climate change is changing how scientists measure time
Polar ice sheets are melting faster. This is slowing Earth’s spin, which changes how we sync our clocks to tell time.
- Earth
Many natural underground stores of freshwater are shrinking
A lot of these aquifers are quickly disappearing due to climate change and overuse. Fortunately, there is growth in some of the world’s major aquifers.
- Earth
Take candy core samples with this science activity
Act like a geologist as you drill ‘core samples’ from candy bars using a straw. Can you identify the type of candy bar just from a sample?
- Tech
High-tech solar ‘leaves’ create green fuels from the sun
Chemists make a liquid alternative to fossil fuels from carbon dioxide, water and the sun. Their trick? They use a new type of artificial leaf.
- Earth
Canada’s Crawford Lake seems to mark when the Anthropocene began
Mud at the bottom of this lake holds a record showing how humanity has been changing our planet. But the Anthropocene isn’t an official new epoch yet.
- Environment
Gas stoves can spew lots of pollution, even when they’re turned off
A new study finds they can leak benzene and other harmful chemicals into homes, sometimes at very high levels.
