Parachute experiment Aim: The aim was to find the effect of holes on a parachute‚ varying their size and number. Hypothesis: 1. By increasing the number of holes‚ the time it will take to the parachute to reach the ground will be longer and its flight will be more balanced. 2. By increasing the size of the hole on the parachute‚ the time it will take to the parachute to reach the ground will be shorter and its flight will be less balanced. Apparatus: - garbage bag (squared shape
Premium Measurement Ruler
people believe human beings should not be used as test subjects in experiments. The use of human beings for experiments or research can have lasting negative effects on that individual such as emotional and psychological damage. The Milgram experiment even though it was a hoax had a lasting effects on many of it’s participants in both positive and negative ways and is a example of why humans should not be used as test subjects. The Milgram experiment was conducted by Stanley Milgram a assistant professor
Premium Stanford prison experiment Milgram experiment Human
serve as food for other freshwater organisms such as fish. They are also commonly used to test for chemical toxicity in water. Since Daphnia have transparent body‚ it is easier to observe their heart rates‚ and other visceral organ systems. Its small heart rate is easily visible when viewed under a microscope. A change in its heart rate plays a crucial role in determining whether
Premium
AIM: To carry out a lab experiment to decompose a carbonate using heat‚ also to carry out appropriate tests for the formation of products as a result of this decomposition. DISSCUSION: Carbonates are decomposed by heat into the corresponding oxides and carbon dioxide. The temperature of decomposition depends upon the activity of the metal; that is to say‚ the more active the metal‚ the more stable is the carbonate. Thus‚ the carbonates of sodium and potassium are stable at the highest temperature
Premium Carbon dioxide Carbon Calcium carbonate
Purpose This experiment shows how different concentrations of acids and bases in a solution affect its pH level. When acids and bases are combined in a solution‚ they neutralize each other. This means that depending on the concentration of both acids and bases in a solution‚ the pH will vary. A neutral pH level is 7; anything below that level is known as an acidic solution‚ while anything above is known as a basic solution. To find out the pH‚ the solutions will be diluted and tested with different
Premium PH Acid Base
Part I - Illumination Experiments (1924-27) These experiments were performed to find out the effect of different levels of illumination (lighting) on productivity of labour. The brightness of the light was increased and decreased to find out the effect on the productivity of the test group. Surprisingly‚ the productivity increased even when the level of illumination was decreased. It was concluded that factors other than light were also important. Part II - Relay Assembly Test Room Study (1927-1929)
Free Light Lighting Experiment
Proteins Purpose: To test for the presence of starches and protein macromolecules‚ to introduce the concept of variations in chemical compounds. Hypothesis: If biuret is blue after a test for protein‚ then it is a negative result because biuret reagent is blue to begin with. If a solution is pinkish purple‚ or purple‚ then the test for protein is positive. The test solution for starches is yellowish brown. If any substance that is yellowish brown when mixed with iodine‚ then the test for starches is
Premium Milk Glucose Carbohydrate
In 1972‚ a Stanford professor named Walter Mischel conduct an experiment called "The Marshmallow Test" that tested the will power of young children. The main goal was to study whether deferred gratification can be an indicator of future success. To test his hypothesis‚ he choose to use children who’s ages ranged from four to six years old. The researcher would place a child in a room by his/ herself and give the child one marshmallow on a plate. He told the child‚ " I am going to step out of this
Premium Nutrition Obesity Health
Directions: Imagine yourself as one of the children in the liberation photograph. Complete the three paragraphs as a first-person narrative from his or her point of view. Paragraph 1: Why were you persecuted? Paragraph 2: Where did you go? Describe your experience at the camp. What happened to your family? How did the United States respond to your experience? Paragraph 3: What will your future bring? Predict what you think will happen to you now that you have been liberated. How has the world
Premium World War II United States
In the novel ’How I Met Myself’ written by David A. Hill‚ I learnt that familyis an important unit of life John Taylor is a computer programmer from England.He was posted to wor in Hungary. He has a wife‚ Andrea‚ and a daughter‚ Kati.One evening after wor ‚ when he was wal ing home‚ he bumped into his doppelganger for the first time.A doppelganger is a ghostly double of a person with the same face.Firstly‚ family is important because it provide support. After bumping into his doppelganger
Premium Computer Family Programmer