Combining the two clear colorless liquids is a chemical change because a different solid substance is formed. Tell students that a precipitate is an insoluble solid that forms when two solutions are combined and react chemically. Insoluble means that the solid will not dissolve. Give Each Student an Activity Sheet.
There are various regulations which may vary depending on where you live and the dropzone you have chosen. In most cases you will need to be 18 years old to start skydiving. If you are 16-18 years old, your parents may give the agreement for you. But again, it depends on the dropzone and country. Some countries may have no regulations, but I would advice you to stay away from the drop zones in them.
You must be at least 16 and if you are 16 then you need a parent or guardian to sign you up. If your any else age above your fine. For more information go on Google and type i â¦ n skydiving in Australia and you should get for info.heck out Skydive Twin Cities. www.skydivetwincities.com You can jump at 16 with parental consent. Without consent you must be 18. In the UK, skydivers must be at least 16, but all skydivers under 18 must have parental consent.