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.
-
PhysicsHeat makes water evaporate. Now it appears light can, too
In the lab, shining light on water made it evaporate faster. This never-before-seen effect, if real, might be happening naturally all around us.
-
ChemistryScientists Say: Valence electrons
These far-out electrons do the hard work when it comes to chemical reactions.
-
Materials ScienceLet’s learn about the weird science of ice
Better understanding of ice could lead to new deicing materials or even, someday, weather control.
-
PhysicsDoes the size of a parachute matter?
How does a parachute work? Do bigger parachutes work better than smaller parachutes? Find out in this science project whether the size of the parachute matters.
-
EnvironmentGas 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.
By Laura Allen -
ChemistryCould we make vibranium?
The ‘perfect’ metal may belong to the fictitious Marvel world of Wakanda, but scientists hope to one day mimic some of its key traits.
By Anil Oza -
PhysicsScientists Say: Neutron
Neutrons are one of the main building blocks of atoms and have no electric charge.
-
PhysicsExperiments on ‘entangled’ quantum particles won the physics Nobel Prize
Three pioneers in quantum physics share the 2022 Nobel Prize in physics.
By James R. Riordon and Maria Temming -
EarthAmateur astronomers reveal clues to a mysterious double aurora
Stunning images from citizen scientists show an unusual pattern in ‘Northern Lights.’ They offer clues that may help astronomers better understand a curious red glow.
By Asa Stahl -
ChemistryScientists Say: Proton
These positively charged particles are important building blocks in atoms.
-
ChemistryLet’s learn about diamond
Diamond is born under extreme heat and pressure inside Earth and elsewhere in the universe.
-
AnimalsOrb-weaving spiders use their webs like external eardrums
Scientists discover that orb-weaving spiders listen with their legs, detecting sound vibrations that travel through their silken webs.