English to Latin American Spanish translation. US or Mexican Spanish preferred. Popular science for kids (chemistry). 202 lines, 5253 words. Chemical background and good understanding of chemistry is required. Native US Spanish of Mexican speakers only.

A step-by-step description of chemical experiments for kids. Several additional sections, such as FAQ and troubleshooting, scientific description of what happens, Interesting facts, etc. All text should be clear for 12 y.o. kids. Samples texts: Every metal possesses a set of unique chemical and physical properties, such as a specific structure for its crystals. Crystals of tin are strong and relatively elastic, and the speed of crystal growth in one direction is faster than the speed of crystal growth in other directions, which results in the appearance of long needles. When we dilute the salt solution, we increase its volume, but because the overall number of salt molecules remains the same the solution becomes less concentrated. This decrease in tin chloride concentration results in longer tin needles, which makes the hedgehog look awesome, but the needles grow much slower. If the solution is diluted more than four-fold, the hedgehog forms much too slowly. Etc. The text contains minimal markup that should be kept as is. The freelancer should sign an additional agreement that we will own all rights for the translations and can using it royalty free, world-wide for unlimited time. It's a long-term and very interesting cooperation.