A magnet is a piece of metal with a strong attraction to another metal object. The attraction a magnet produces is called a "magnetic field."
Magnet Bar is a rectangular piece made up of iron and steel material or ferromagnetic substance/composite like other Magnets when suspended freely, aligns itself along the Magnetic field of the earth.
Ferromagnetic substances itself has the properties of magnet.
Set of 2 bar magnets are standard blue & red in color with engraved North / South pole markings.
Made of high quality chrome steel that is built to last and withstand multiple uses.
The Parafilm is a moisture-resistant thermoplastic used to seal Nematode Growth Media (NGM) agar plates on which the nematode Caenorhabditis elegans is cultured. This practice reduces media dehydration and microbial contamination.
The Parafilm sealing film can be stretched up to 200% and clings around irregular shapes and surfaces.
It is resistant to many polar substances such as saline solutions, inorganic acids and alkaline solutions for up to 48 hours (After this time it may become brittle)
Parafilm is a semi-transparent, flexible film composed of a blend of waxes and polyolefin.
Pinhole cameras are used to study the basic fundamental concepts including the relationship between aperture, focal length, and exposure.
By building and using a pinhole camera, students can also learn different concepts such as image formation, light sensitivity, and the inverse square law.
