แสดงบทความที่มีป้ายกำกับ Science แสดงบทความทั้งหมด
แสดงบทความที่มีป้ายกำกับ Science แสดงบทความทั้งหมด

วันอาทิตย์ที่ 28 กุมภาพันธ์ พ.ศ. 2553

Kid's Current Science Lessons

One of the greatest things about science, as a subject, is that the topics taken up can be seen or experienced on a daily basis everywhere. A study of photosynthesis, for example, can be easily shown because it happens in every plant in your garden. Having such easy and on hand examples makes kids current science lessons relatively easy to learn and understand. Examples can often be recreated or taught through experiments, which is another advantage of science!

Another great thing about studying science is that modern science is constantly making new discoveries. This means that science is always changing or evolving and new ideas can affect the old. For example, people already know that a simple machine could help them do any work for which it is intended for, but once they figure out that putting several machines together could make the work a lot faster and better, the idea of work is then revolutionized. Such is the effect of scientific progress! Once the basic concepts of science have been taught and learned, the next thing to look into is how to use these concepts to modernize or to revolutionize the way things are done.

Making sure your child fully understands their basic scientific concepts is the best way to prepare them for scientific innovations. These basic concepts are the building blocks of science, and in fact each concept can introduce a relevant scientific issue that you can discuss with your child. For example, the life cycle is a pretty basic concept and is learned in the second grade but it can evolve into the human life cycle or a study of genetics in the higher grades.

Children will be told that at the end of life, living things will decompose. You can show your child the process of decomposition by creating a compost pit in your backyard. Your child will visibly see and understand the process of decomposition. It also allows you to open up the topic of natural fertilizer and how they help plants grow. Should you choose to do so, discuss genetically modified organisms with your child, and get their views on the matter. You will be surprised at what ideas your child will come up with!

There are other relevant concepts you should discuss for kids science classes. For example, the problem of global warming and its effects on the world is something that is being dealt with by scientists all over the world today. Introducing this concept to your child along with his lessons on greenhouse gases and their effects can prepare your child for a life of environmental conservation and an understanding of how precious life on earth is.

Teaching kids science will not just help them understand their current science lessons better but it will also help them appreciate the importance of science in everyday life. Science can solve a lot of problems, and showing your child this at a young age can help keep them interested in it. They may even choose to become scientists! More importantly, the understanding of how science can change the world is a good thing to introduce at a young age because they will grow up with the proper knowledge of their world and how current day science can change the quality of their life in the future.

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วันพุธที่ 24 กุมภาพันธ์ พ.ศ. 2553

5th Grade Science Fair Projects For Winning Science Experiments

5th grade science fair projects are a little bit more involved than the previous grades. At this age students are expected to come up with their own topic, perform the majority of the experiment on their own and be able to write a small report on it with minimal adult assistance. This isn't too difficult because fifth graders are full of questions about the world, so they shouldn't have any trouble coming up with a topic and conducting a little experiment to find out the answer.

Though if a student is looking for some ideas, there is one great 5th grade science fair project where one will create a fire proof balloon. To test this, the student will need adult supervision. The adult will assist the 5th grader to blow up the balloon, tie it shut, and place it over a match. The balloon will pop as you bring it close to the flame. The student will then take the second balloon and put ¼ cup of water into balloon, blow it up and tie it closed. When placed over a lit match, the student will find that the balloon will not pop, even if it touches the flame, though it may get a black patch on it from soot.

The reason why the balloon will not pop is because the flame heats the liquid behind the rubber, rather than the rubber itself. The student can do another project involving heat and rubber by gathering a few rubber bands and examining the rubber as it relates to heat, a form of energy. All they will need for this experiment is their forehead and some rubber bands. They are simply testing to see if the rubber bands get warmer or cooler when stretched. You can judge this by holding the rubber band to your head while stretching it.

Civil Engineering