To get your child excited about kindergarten: With both of my kids, we made registration day a big day! We took pictures, talked it up and made it fun. Once we signed up, we talked about how the school, our base school, was their school. We played on the playground.
The use of a clinometer to measure tree height. A clinometer is a fairly simple instrument which is used to measure the angle of a slope. By using the principles of trigonometry, the height of tall objects can be calculated from the angles measured. A clinometer can easily be made from a large protractor. A narrow piece of wood should be glued to the base of the protractor to act as a sighting line. A weighted plumb line is then fastened to the mid point of the base line of the protractor.
How do you take a hydrometer reading and what is it used for anyway? Hydrometers are a tool that every homebrewer and winemaker should become familiar with because they can tell you so much about what is going on. A hydrometer is a glass tube with a weight on one end. Its purpose is to measure the difference in gravity (density) between pure water and water with sugar dissolved in it. The hydrometer takes this reading by floating in the liquid. It is best to use a hydrometer test jar to take your samples. Test jars are made