-
Pre Operational Stage Fruit Juice
1,816 wordsModification Activity Description: Piaget's Conservation of Number and Liquid Tasks Lori is four year old, and she is at Piaget's pre operational stage. According to Piaget's description of the pre operational stage children, they cannot understand his conservation tasks. This pre operational stage, "children can use representations (mental images, drawings, words, gestures) rather than just motor actions to think about objects and events. Thinking now is faster, more flexible and efficient, and...
Free research essays on topics related to: young children, fruit juice, pre operational stage, stage children, four year -
Natural Gas Diesel Fuel
733 wordsWe have known for a long time that eventually our oil deposits will dry up, and it would be helpful at that time if we had some kind of alternative fuel to power all of the machines that we use. Over the past two decades more oil has been pumped than has been found in the world. For this reason scientists have been looking to potential alternative fuels for the future. One of these alternative fuels may come in the form of natural gas. Natural gas has been found to be more plentiful than oil, an...
Free research essays on topics related to: fuel cells, diesel fuel, crude oil, alternative fuels, natural gas -
Brightly Colored Gecko Skirted Algae Grubs Disgusted Karl
5,968 words... ed him in this little sludgy pond. He laid there on his rock watching the different animals surrounding the small pond. He gazed aloofly at two kerala bears slothfully chewing at shards of green moist grass. These kahala bears also had their faces turned toward the sun warming themselves in its rays. Karl laid there; watching as a brightly colored gecko skirted toward the pond's edge. It was a bright orange with little black specks. The gecko proceeded to immerse itself in the water and then...
Free research essays on topics related to: karl, creature, creatures, brightly colored, burnt -
Evaporating Dish Aluminum Foil
1,928 wordsPurpose: To conduct experiments and to determine whether they are physical or chemical changes Before we conduct these experiments there are some topics that we must discuss. As I stated in the purpose, in this lab we are going to be looking at some experiments, and we have to determine whether they are a cause of chemical or physical changes. The purpose for all the labs that we will be doing will be the same. During a chemical change a new substance is formed, it is irreversible, and it is usu...
Free research essays on topics related to: evaporating dish, aluminum foil, test tube, physical change, chemical change -
Feet Above Sea Level Water Vapor
495 words1) Calculate the number of calories required to change 10 grams of ice at 0 C to 10 grams of water vapor at 100 C. (Requires 3 steps) 3) Change water at 100 C to water vapor 2) Assume our heat source is set to 100 calories per minute. 3) Determine how long it takes to melt 10 grams of ice at 0 C. Observe temperature as it melts. 800 calories 100 cl / min = 8 minutes 4) Determine how long it takes to heat 10 grams of liquid water from 0 C to 100 C. 1000 calories 100 cl / min = 10 minutes 5) Deter...
Free research essays on topics related to: liquid water, feet above sea level, 1 c, boiling point, water vapor -
Graduated Cylinder Decimal Places
849 wordsClosing the ports changed the color of the flame. Depending on the color of the flame is the combustion. When the flame was orange is had incomplete combustion, when the ports were closed and the flame turned blue, it had complete combustion which is wanted. Turning the needle valve at the bottom of the burner adjusted its height. A lower flame was needed more because it was more controlled and easier to work with, and using the needle valve accomplished this. When burning the evaporation dish, ...
Free research essays on topics related to: 1 ml, filter paper, decimal places, graduated cylinder, flame -
York John Wiley Computer Aided
1,958 wordsIntroduction Page 3 Discussion Page 4 Conclusion Page 10 Appendix Page 11 Foot Notes Page 14 Bibliography Page 15 Today many companies are under pressure to reduce lead time for new product introduction s. This is especially true in a market such as computer parts where the lifetime of a product is short. Companies are always searching for a way to create products faster and more efficiently. One tool that allows companies to cut the time between a product concept to launching the product is rap...
Free research essays on topics related to: york john wiley, computer aided, rapid, cross section, manufacturing -
Observations Mass Volume Egg Volume Of Egg Volume Water
856 wordsWe recently did an experiment on osmosis and it really helped me understand diffusion and osmosis much better. This experiment was really easy. We put the egg into three different types of liquids, vinegar, corn syrup, and water. My hypotheses for the egg in the vinegar was that the shell would be removed and dissolve. For the corn syrup I thought that the whole egg would break apart including the including the yolk. My hypothesis for the water was that nothing will happen to the egg. 1. Get egg...
Free research essays on topics related to: vinegar, volume, syrup, egg, membrane -
Fluid Saturation Determinations Capillary Pressure Curves Volume
950 wordsPorosity is the best known physical characteristic of an oil reservoir. It determines the volume of oil or gas present, and all recovery computations must be based on knowledge of its value. Porosity of a material is defined as that fraction of the bulk volume of this material that is not occupied by the solid framework of the material. In oil reservoirs, the porosity represents the percentage of the total space that is available for occupancy by either liquids or gases. It determines the storag...
Free research essays on topics related to: bulk, saturation, air water, sample, volume -
Carbon Dioxide Directly Proportional
1,251 words... le then existed he could not, and did not, determine the relationship between degree of hotness (temperature) and volume of a gas quantitatively. (Siebring, Richard, Page 32) Guillaume Amontons (d. 1705) developed the air thermometer, which uses the increase in the volume of a gas with temperature rather than the volume of a liquid. The air thermometer is an excellent demonstration of Charles' law because the atmosphere maintains a fixed downward pressure above a small mercury plug of consta...
Free research essays on topics related to: total pressure, carbon dioxide, temperature, directly proportional, 2 p -
Potentially Harmful Drug Abuse
1,089 words... out running a test on it. Ecstasy testing kits are portable and discreet testing kits which are quick, easy to use, relatively simple, and inexpensive products which allow people to test unknown pills to help determine their contents. Because the quality of street ecstasy is notoriously poor, having the ability to at least narrow down the possible contents can help reduce the risks associated with the use of street ecstasy. They are important because they can test if a pill contains Ecstasy/...
Free research essays on topics related to: drug users, drug abuse, one drug, potentially harmful, color change -
2 H 2 O Carbon Monoxide
1,607 words1. State the five assumptions of the Kinetic-Molecular Theory of gases. a) Gases consist of large numbers of tiny particles. These particles, usually molecules or atoms, typically occupy a volume about 1000 times larger than occupied by the same number of particles in the liquid or solid state. Thus molecules of gases are much further apart than those of liquids or solids. Most of the volume occupied by a gas is empty space. This accounts for the lower density of gases compared to liquids and so...
Free research essays on topics related to: 2 h 2 o, carbon dioxide, kinetic energy, hydrogen peroxide, carbon monoxide -
Earths Crust Earths Magnetic
1,642 wordster> What is the evidence for our knowledge of the internal structure of the Earth? As we enter the twenty first century we are beginning to learn more and more about the composition of the Earth. Early predictions have thrown up some rather strange and peculiar thoughts as to what is making up our Earth, but now days scientists can be confident that the Earth is made up of what they think. As from experiments and other sources of information a picture to what is really down there is b...
Free research essays on topics related to: s waves, earths crust, earths magnetic, p waves, magnetic field -
Addison Wesley Fine Particles
1,550 words1. 1 PRELUDE: The phenomenon of ferromagnetism is associated only with the solid state of matter; like iron, nickel, cobalt and some rare earth metals and their alloys. Thus, up to now, there is no intrinsic homogeneous fluid having ferromagnetic properties; although, theories admit the possibility of ferromagnetism in the liquid state, and suggest that there is no inherent reason why they should not exist [ 1 - 3, 5 ]. Ferromagnetism occurs when paramagnetic ions in a solid lock together in suc...
Free research essays on topics related to: addison wesley, r d, van der, fine particles, l j -
Tablets Reaction Speed Average Reaction Speed Solid
443 wordsRate of Reaction December 17, 2003 Rate of Reaction-Report The purpose of this lab was to find the rate of reaction. I watched to see how fast Alka-Seltzer would react with different liquids. I changed the type of liquid from water to vinegar for some of the experiments. I also used one tablet that was solid and one that I had crushed up to see the differences. I changed the temperature with each new experiment, except when I was comparing and contrasting solid to ground up tablets. I always use...
Free research essays on topics related to: reaction time, liquid, sec, 250, solid -
Liquid Hydrogen Natural Gas
725 wordsHelium (Greek helios, "sun"), symbol He, inert, colorless, odorless gas element. In group 18 of the periodic table, helium is one of the noble gases. The atomic number of helium is 2. Pierre Janssen discovered helium in the spectrum of the corona of the sun during an eclipse in 1868. Shortly after it was identified as an element and named by the chemist Sir Edward Franklin and the British astronomer Sir Joseph Norman Lockyer. The gas was first isolated from terrestrial sources in 1895 by the Bri...
Free research essays on topics related to: natural gas, liquid hydrogen, helium, hydrogen, liquid -
Aid Nuclear Warhead
1,803 words... Snake by codec. 's nake, did you find the Arms Tech president yet?' said Lilly. ' Yes. He had a... heart attack, though?' said Snake. ' You liar! You killed him. You must have, there was none else to, 's aid Lilly. ' I did not. I swear, 's aid Snake. ' I'm sorry, Snake. I did mean to accuse you of that. I have a bad temper, 's aid Lilly. ' That's okay, Lilly. I can relate to that. Do you know where Mega Rex is?' said Snake. ' Yes, 's aid Lilly. ' Good. Give me directions by codec, 's aid Sna...
Free research essays on topics related to: aid, aid, lilly, snake, nuclear warhead -
Evaporating Dish Aluminum Foil
2,222 wordsPurpose: To conduct experiments and to determine whether they are physical or chemical changes Pre-Lab Notes: Before we conduct these experiments there are some topics that we must discuss. As I stated in the purpose, in this lab we are going to be looking at some experiments, and we have to determine whether they are a cause of chemical or physical changes. The purpose for all the labs that we will be doing will be the same. During a chemical change a new substance is formed, it is irreversible...
Free research essays on topics related to: test tube, hydrochloric acid, evaporating dish, aluminum foil, chemical change -
Long Term Effects Mood Swings
4,726 wordsDrugs work by changing chemicals in your brain that control your mood. Most drugs boost or imitate the behavior of chemicals (like adrenaline, dopamine and serotonin) which regulate our mood, well being and energy levels. These chemical messengers are part of what makes us feel happy. The reason people continue doing drugs or become addicted is to do with a part of the brain called the reward pathway. It? s an area deep in the brain which makes us repeat experiences that feel good, be it having ...
Free research essays on topics related to: cancer causing, mood swings, crystal meth, blood pressure, long term effects -
Pre Operational Stage Fruit Juice
1,862 wordsModification Activity Description: Piaget's Conservation Of Number Modification Activity Description: Piaget's Conservation Of Number And Liquid Tasks Modification Activity Description: Piaget's Conservation of Number and Liquid Task Grace Chang CD 170 -MWF: 12: 30 - 1: 30 PM San Jose State UniversitI. Introduction Lori is four year old, and she is at Piaget's pre operational stage. According to Piaget's description of the pre operational stage children, they cannot understand his conservation t...
Free research essays on topics related to: four year, pre operational stage, stage children, young children, fruit juice
Customer center
