MS-ESS2-2
Construct an explanation based on evidence for how geoscience processes have changed Earth's surface at varying time and spatial scales.
-
MathTeen puts calculus on ice
Jacob Nichols wondered if he could use calculus to find the volume of the icicles building up outside his house. His study earned him a spot at the 2014 Intel International Science and Engineering Fair.
-
EarthThe quake that shook up geology
North America’s biggest earthquake struck 50 years ago. Here’s what science has learned about Earth since the 1964 Great Alaskan Earthquake.
By Beth Geiger -
EnvironmentDoes lightning sculpt mountains?
A new study sparks debate about how much rubble on a mountainside has been blasted loose by powerful bolts from the sky.
By Sid Perkins -
EarthExplainer: Ice sheets and glaciers
Ice sheets and glaciers give scientists clues about climate change.
By Douglas Fox -
EarthExplainer: Antarctica, land of lakes
There are many, although they tend to be buried under rivers of ice.
By Douglas Fox -
EarthBig rocks’ balancing acts
Scientists study how balanced boulders resist falling over — and what that may say about earthquakes.
By Douglas Fox -
EarthTsunami’s trek traced in the sky
Scientists photograph atmospheric ripples that followed the March tsunami across the Pacific.
-
-
-
-
EarthDigging into a tsunami disaster
A powerful earthquake under the Indian Ocean changed Earth's surface and spin.
By Emily Sohn -
EarthAncient heights
Leaf fossils can help track the rise and fall of mountain ranges.
By Emily Sohn