Physics
Scientists Say: Antimatter
Most of the universe consists of ordinary matter. But not all. A tiny fraction is matter’s mysterious twin: antimatter.
HS-PS1-1
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
More Stories in HS-PS1-1
- Chemistry
Scientists Say: Fluoride
This electrically charged form of fluorine boasts powerful tooth-strengthening abilities.
- Health & Medicine
Explainer: What are ultraprocessed foods?
Packed with chemical additives, these foods have become a major part of our diets. Scientists have begun to worry about how ultraprocessed foods may impact health.
- Physics
Could we ever build the tech to shrink ourselves?
The atoms that make us up couldn’t be shrunk or smashed closer together — at least, not without catastrophic consequences.
- Chemistry
Scientists Say: Element
The number of neutrons and electrons can vary in atoms of the same element. The number of protons alone sets each of these substances apart.
- Physics
Scientists Say: Tauonium
No protons, neutrons or electrons. And yet, based on what scientists know about fundamental particles, this variety of atom just might exist.
- Chemistry
Experiment: Blow the best homemade bubbles
What’s the best recipe for blowing the most impressive bubbles? Let’s find out.
- Chemistry
A new map of Africa sheds light on the origins of enslaved people
Mapping the element strontium across the continent is helping track down the birthplaces of enslaved Africans brought to the Americas.
- Earth
Let’s learn about the carbon cycle
The total amount of carbon on Earth doesn’t change. But what form those carbon atoms take is constantly changing.
- Math
His love of math led to a career in quantum computing
James Whitfield began his career when quantum computing was still in its infancy. Today, he’s helping to make it more accessible to educators, researchers and others.
