Endothermic and Exothermic Reactions

An example of endothermic reactions is evaporation of water. Water evaporation is a physical change.  In a physical change, no bonds are broken and no new bonds are formed. The molecules of the water  go from being close together to being far away from each other and moving rapidly.  In order for the liquid molecules to separate from each other and move more rapidly, they need to be given energy to break away from each other. This process absorbs energy which makes it endothermic process.

This affects the world a lot. If there was no water evaporation we would be flooded. The oceans would have such a high sea level that the cities would get flooded. Water vapor helps form clouds so if water didn't evaporate then there would not be any clouds. If there are not any clouds then there could be no rain. So the world would just be a big flooded, non-percipating place. 

http://www.kentchemistry.com/links/Matter/EndoExo.htm

http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/chemreac/energychangesrev1.shtml

http://education.nationalgeographic.com/education/encyclopedia/evaporation/?ar_a=1

Synthetic Foods

Synthetic foods are materials that have been processed. Synthetic foods have lots of processed materials. The processed materials are not good for your body. One of the most commonly used materials are artificial sweeteners. Artificial sweeteners are toxic. The components of this toxic sweetener may lead to a wide variety of ailments including brain tumor, diseases like lymphoma, diabetes, multiple sclerosis, Parkinson's, Alzheimer's, fibromyalgia, and chronic fatigue, emotional disorders, nausea, mental confusion, migraines and seizures. Another major material is High Fructose Corn Syrup ( HFCS ). HFCS can lead to diabetes, tissue damage and other illnesses. Eating a lot of processed foods will cause a lot of problems in the future. Obesity will be more common and everyone will have health problems. Synthetic foods also are harmful to the enviorment when thrown away or the material ( like HFCS or artificial sweeteners) is thrown out. It can make the water bad, the air and other things. We the people need to stop eating so many processed foods. 

Cite: "Boshch T. Lauren." "Top 10 Food Additives to Avoid". 23 Novemeber, 2010. http://foodmatters.tv/articles-1/top-10-food-additives-to-avoid

Hunting the Elements

Think Past: A few things I knew about The Periodic Table are that the atomic number is the amount of protons and the amount of electrons. I knew that there are different "sections/groups" on the table. I knew that Mendeleev created the Periodic Table too. Another thing is that I knew there were 118 elements on the table.

Think Present: I learned some things from Hunting the Elements, like that gold doesn't ever rust. Also coppers melting point is 1983ºF. People keep trying to create new elements but sometimes they don't last for more than 10 seconds. I also learned that Uranium is used for nuclear properties.

Think Future: Things I want to know are how did they know how many protons and electrons make up an element? What would happen if you put every element together? What caused Mendeleev to make this discovery? Can we ever run out of all the elements on the table?

Newtons First Law of Motion

Newtons First Law of Motion is "an object in motion will stay in motion unless acted on by an outside force". This is sometimes referred to the "the law of inertia". An example of it is if a car is driving and the car veers off and hits a wall. The car was stopped by the wall so it is no longer moving. This law also deals with kinetic and potential energy. The kinetic energy is when the object is moving. The potential energy is the stationary object. You can predict the behavior of moving objects and stationary objects. These objects wont stop unless they are hit by a force like; gravity, a wall, another car, etc. There will be different reactions each time. For example, if a car hits a bush then the push will probably fly apart and get destroyed but if a car hits a wall then the wall will maybe have a dent and a scratch depending on what the wall is made out of. 

http://www.physicsclassroom.com/class/newtlaws/Lesson-1/Newton-s-First-Law

Refflection and Refraction

Reflection and refraction. In reflection the incidence light hits the mirror and reflects off if the mirror is smooth itll bounce of perfectly. The throwing back by a body or surface of light, heat, or sound without absorbing it. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density. Here are convex lens and concave lens. A convex lens goes out and a concave lens caves in. 

http://www.physicsclassroom.com/class/waves/Lesson-3/Reflection,-Refraction,-and-Diffraction