HS-PS1-3
Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles.
- Earth
Let’s learn about snow
Snow is more than just frozen water vapor. Scientists are studying everything from its shape to other planets where snowflakes fall.
- Tech
Bye-bye batteries? Power a phone with fabric or a beacon with sound
New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.
- Tech
Ordinary paper turns into flexible human-powered keypad
Engineers have figured out how to turn sheets of paper into rugged, low-cost electronic devices, such as a computer keypad.
- Physics
Physicists foil classic oobleck science trick
Cornstarch and water — best known as oobleck — solidifies upon impact. Researchers used a new technique to make it stay liquid.
- Physics
Try This: Walking on water with science
Water striders walk on water. How do they do it? They spread out. This experiment will show you how it works.
- Chemistry
Converting trash to valuable graphene in a flash
Flash heating of carbon-rich wastes creates graphene, which has many commercial uses.
- Physics
Like Magneto? Microcrystals give magnets superpower over living cells
New iron-rich protein crystals could help researchers better understand the nerve cells that control movement and sensation. All they need are magnets.
- Chemistry
Explainer: What are acids and bases?
These chemistry terms tell us if a molecule is more likely to give up a proton or pick up a new one.
- Physics
Explainer: How batteries and capacitors differ
Both batteries and capacitors can power electronic devices. Each, however, has different properties which may provide benefits — or limitations.
- Physics
Weird physics warps nearby star’s light
Scientists have observed a bizarre effect of quantum physics in light coming from a nearby neutron star.
- Chemistry
Scientists Say: Surface tension
Surface tension is what makes water in your glass seem like it’s covered by an invisible membrane holding it together.
- Physics
Possibility of strange new particle surprises physicists
Last winter, physicists at the Large Hadron Collider detected hints of a particle beyond their wildest dreams. Soon they may learn if it’s real.
