
Chemistry
Experiment: Test the effect of temperature on reaction time
Alka-Seltzer tablets fizzle furiously when dropped into water. Can you make Alka-Seltzer fizz faster or more loudly by changing the water’s temperature?
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Alka-Seltzer tablets fizzle furiously when dropped into water. Can you make Alka-Seltzer fizz faster or more loudly by changing the water’s temperature?
Frogs are a fascinating bunch of amphibians. Unfortunately, they’re also dying off in huge numbers.
Turning the clock ahead knocks our bodies and brains out of sync with the sun. That leads to many potential health issues.
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.
This property causes materials — including some animals’ skin, fur or feathers — to glow under light.
Most people know solids, liquids and gases — but what about the four other states of matter?
This so-called ‘click chemistry’ allows scientists to build complex molecules in the lab and in living cells.
Scientists discover that orb-weaving spiders listen with their legs, detecting sound vibrations that travel through their silken webs.
Data show the plastic ends up tainting drinking water. For now, scientists don’t know what health risks downing these pollutants might pose.
Scientists 3-D printed the new fabric, which has even more tricks up its sleeve — such as conducting electricity and resisting radio waves.