HS-ESS1-1
Develop a model based on evidence to illustrate the life span of the sun and the role of nuclear fusion in the sun's core to release energy that eventually reaches Earth in the form of radiation.
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Earth
When life exploded
Life exploded in diversity during the Cambrian Period. Experts are exploring what could account for this sudden change 540 million years ago.
By Beth Geiger -
Physics
Student radiation experiment goes to space
The Exploration Design Challenge asked students to design shields that would protect astronauts from radiation. Teachers can still involve classes in the challenge.
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Planets
Heavenly research
Groundbreaking research in astronomy landed four high school seniors spots as finalists in the 2014 Intel Science Talent Search.
By Sid Perkins -
Animals
We are stardust
Everything making up Earth and what’s now living upon it — from trees and people to our pets and their fleas — owes their origins to the elements forged by ancient stars.
By Beth Geiger