来自MSN

6 Experiments With Magnet

In this video I show you 6 experiments with magnets: 1. Apples and magnet. For this experiment you need to build suspension from chop sticks. Put 2 apples at opposite ends of the stick and after that ...
Explore the fascinating magnetic properties of burnt matchsticks in this creative science experiment! Watch how ring and bar ...
You’ve probably heard the term magnetic gradient before, but have you ever seen one? Now you can in [supermagnetman’s] video, below. The key is to use very fine (2 micron) iron filings and special ...
Chief meteorologist Mark Dixon gets an explanation of 'the straw trick' in Jan. 26's Science Sunday.