General Chemistry Dictionary. (metal,metalloid) A nonmetal is a substance that conducts heat and electricity poorly, is brittle or waxy or gaseous, and cannot be hammered into sheets or drawn into wire. Nonmetals gain electrons easily to form anions . About 20% of the known chemical elements are nonmetals.
When and if your child comes to you and asks you to explain global warming, you need to know the basics yourself so you can effectively explain it to your child. Global warming refers to the gradual temperature increase that the Earth has experienced and is projected to continue to experience as time passes.lobal warming for kids can be a tough subject to approach. Not only are there conflicting scientific views regarding global warming, but you also don't want to give your young children the idea that they are inheriting a doomed Earth.
Latchkey children are those who spend time alone or with a younger child on a regular basis, usually before or after school. Many parents are finding it necessary to allow their school-age children to spend part of the day at home alone.hildren at home alone should be taught fire safety, fire prevention, and ways to get out of a smoke-filled house. 1  Show your child where the smoke detectors are and let them hear what one sounds like. 2  Prepare a diagram of your house with escape routes from each room drawn in.