# Science

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When a egg is cooked, liquid protein form is converted into solid form and it is irreversible this is called chemical change. Chemical change is a change where a new substance is formed which occur...

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Interesting question! In order to find out what a “zedonk” is, let’s start by picking apart the compound word. “Ze” is short for zebra and “donk” abbreviates donkey. Instead of calling the animal...

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As stated by the Department of Physics at the University of Illinois at Urbana-Champaign, we actually don't know why gravity exists: "We still don't know 'why' matter and energy has gravity" ("Q...

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The movement of electricity is merely the transfer of electrons from one place to another. Most commonly, this is done through a wire, since the wire literally provides a path for the electrons to...

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A mountain range can sometimes produce separate types of climates on either of its sides, depending on other meteorological conditions and factors. A mountain range can sometimes trap moisture on...

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2Li+2H_2O rarr 2LiOH+H_2 Molar masses Li = 7 g/mol H = 1 g/mol O = 16 g/mol When the reaction takes place H_2 gas will be removed from the system. Amount of Li added = 28/7 = 4 mol Amount of...

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The Hubble galaxy classification scheme is subjective, but: (1) A spiral galaxy with a small bulge is a lenticular galaxy. (2) A galaxy shaped like a cigar is an elliptical galaxy. (3) A galaxy...

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There is some research and evidence to support the idea that better more bountiful nutrition in early life does affect fertility factors. A study of two Guatamelan villages found that those...

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The force required to travel up-slope is given as mg sin(theta), where m is mass of the body, and theta is the inclination. In the present case, 4 people of 85 kg (along with the ski) can travel...

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This age (14-16?) is a new stage in what educators call the “learning pyramid”. The “accumulation of facts” level of knowledge moves up to the “forming concepts” level, where the student begins...

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While many of the symptoms are similar usually one symptom will stand out, itchy, watery eyes is likely caused by allergies. If the symptoms came on suddnely and worsened quickly it is likely the...

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Biological molecules are those molecules that are associated with the life functions and primarily happening in every cell. These molecules are essential in order to pursue metabolism and...

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The formula of an ionic compound is determined by the charges on the ions. Because electrons are being transferred in an ionic compound, we need to make sure the number of electrons lost from the...

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Thunder is most often caused by lightening. Lighting is very hot and it rapidly heats the air around it as it strikes. This rapid heat causes the air to expand. The sound of the air expanding is...

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John Dalton John Dalton is considered to be the father of atomic theory. In 1803, he published his theory of the atom which consisted of the following points: Elements are composed of tiny...

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Most heart attacks begin very slowly with mild pain and discomfort. Sometimes these symptoms do not wake people from their sleep. Others are very sudden and very intense. There are three very...

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There are only 4 species of venomous snakes in Texas but there are many subspecies. Ten subspecies of rattlesnakes, 1 cottonmouth, 3 copperheads, and 1 coral snake. Rattlesnakes are feared the...

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I assume you can't really be talking about weather here since 50 C would be awfully hot. So I wonder what you are really asking about. Can you clarify your question? Are you asking about some...

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Boreal forests are forests that occur in northern latitudes, between 50 and 60 degrees latitude. They are the largest of the world's biomes. Boreal forests have growing seasons of about four...

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For objects moving with constant velocity, nothing is "causing" the object to move - there is no absolute movement, it all depends on your reference frame.Now, if there is a change in the object's...

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I'm not sure exactly what you are after. You have already noticed the pattern that is created when you continue to increase the exponent on i. It will continue in that way, and you would be able to...

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Here we can use the equations of motion. V = U+at It is clear that the maximum speed is obtain at the end of acceleration section. U = 0 since start from rest a = 2.1m/s^2 t =13 s `V =...

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Assuming you are using this as an idiom and don’t take it literally, I will argue that you CAN teach an old dog new tricks. Neuroscience tells us that while the aging brain does deteriorate, some...

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The human brain evolved over millions of years to become a relatively stable and predictable quantity. We know the rough adult weight of the brain, how it functions, and how abstract/reasoning...

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I do not think I would ant to know. If the knowledge would not help me keep from contracting the disease, then the knowledge would not benefit me. Instead, I would simply live each day as my last,...

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There have been so many great scientists and doctors that it would be very hard to single one out. There also many different fields of medicine and science in which discoveries have been made. Then...

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Viagra is a medication that men can take if they have difficulties keeping an erection. An erection occurs when substantial amounts of blood enter the penis. Normally, when a man becomes aroused...

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I think you should find something that will have an impact on teens. For example, I have heard of people making batteries out of lemons or solar batteries. Why not design a new cell phone charger...

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Hashimoto's thyroiditis is named after Dr. Hakaru Hashimoto, a Japanese surgeon. The disease eventually causes hypothyroidism in people who are iodine deficient. The thyroid gland becomes inflamed...

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The question is a bit vague and general. Are you referring to computer generated reports? Are you trying to do a report on computers, the more specific you can make your questions, the better...

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Our atmosphere is divided into a number of layers. These include troposphere, stratosphere, mesosphere, thermosphere and exosphere. They exist between ground level to 4-12 miles, 4-12 miles to 31...

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A good example of one application in which both photoelectric effect and quantum Planck theory are used together is the CCD (charge coupled device) TV camera. Basically the CCD camera is composed...

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First of all, carbon dioxide is a gas so you will need to have a supply of it contained in a pressurized metal gas cylinder fit with a gas regulator. The pressure aspect of working with gasses...

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In order for a cell to be able to grow, nutrients are required from the environment to provide raw materials for this life process. Cells rely on the cell membrane to transport materials into the...

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When you cut into an onion, you slice through the onion cells that contain sulfuric compounds. The cutting of the onion allows certain enzymes to mix with sulfenic acid which forms a new compound....

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Human efforts to preserve as many species as possible are a (somewhat feeble) attempt at repairing the damage we have done to the environment as a “thinking”, greedy species interested in much more...

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This is a slightly vague question as it does not really specify what you want to know. After all, for example, cows are immunized for many things and so that is a relationship between cows and...

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I assume that you are talking about in some way using biotech to change fetuses from female to male. Is this actually possible? Even if it were possible, I can't see any good in it. The biggest...

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Fish do not have a pelvic girdle. If you mean aquatic mammals like a blue whale, they do have pelvic girdles which no longer serve a purpose. Any organ (like this unused pelvis) is referred to as...

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Atoms contain subatomic particles. Electrons are negatively charged particles which are found outside the nucleus of an atom. If you use your periodic table of elements, whatever the atomic number...

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Very bad idea. Mercury is very toxic and harmful...even in small doses. Prolonged use over time could have effects such as cancer and birth defects.

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Days to Minutes: Remember, 1 day has 24 hours and each hour has 60 minutes. i.e., 1 day = 24 hours = 24 hours x 60 minutes/hour = 1,440 minutes so, three days will have 3 x 1440 minutes = 4,320...

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Materials needed: Small glass cup, 180 grams piece of ice taken from the fridge, thermometer, 10 V voltage DC voltage source, 10 ohm/20 W resistor, chronometer. Experiment: Place the ice into the...

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In modern phylogenetics there are, broadly, two approaches; morphology and genetics. Morphology involves measuring and comparing the shapes and sizes of different body parts, and genetics involves...

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Generally, anything that cannot get out of the way will be killed if an oil spill hits a beach or other shore environment like a marsh. The reason for this is that the oil will coat everything...

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Before I answer the question, note that there are a number of research methods available to us and all of them have their pros and cons. The selection of a method depends on the type of study and...

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Weather is "the atmospheric conditions at a certain time or over a certain short period in a given area." The challenges in describing the weather on Jupiter are its enormous size and the distance...

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There are some different definitions for acids and bases, but the most commonly thought of and the one you are probably looking for here is called the Bronsted-Lowry definition. It states that an...