Tech
Scientists Say: Cryogenic
This deep-frozen field of science allows conservation biologists to preserve the DNA of endangered species and more.
HS-PS3-4
Plan and conduct an investigation to provide evidence that the transfer of thermal energy when two components of different temperature are combined within a closed system results in a more uniform energy distribution among the components in the system (second law of thermodynamics).
More Stories in HS-PS3-4
- Physics
How to temporarily ‘fossilize’ a soap bubble
Here’s how to freeze a soap bubble in midair. Warning: The environment needs to be frosty, and even then it can take a certain amount of trial and error.
- Climate
Fast sea level rise is a very recent change
Sea levels have been rising for more than a century. But that rise is now speeding up. That suggests that what is driving the rise — climate change — also has increased dramatically in recent years.
