Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
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wrote the first answer to Does a ball roll farther on concrete or grass or gravel 26 May 2012 13:17
C.Hainsaw (supervisor) [812]
removed Does a shadow have kinetic energy from Science Experiments 26 May 2012 12:24
Peterc14 (supervisor) [1210]
added Why would using a different beaker affect the masses determined for an unknown object to Science Experiments 26 May 2012 11:34
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added Why soft gelatin capsule leak when they containing Potassium iodide to Science Experiments 26 May 2012 11:22
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Plants, in fact, do grow faster under certain colors of light. The reason for this is that chloroplasts can only absorb certain...
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Density is a function of mass and volume. So, density effects on the mass and the volume of the matter.
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yes because you can weigh the object but you don't change the object at all
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The dependent variable is what changes. For example, if you are growing a plant, the growth of the plant depends on the amount of...
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Ti identify ammonium ion, NaOH is added to the original solution of the ammonium salt and a paper dipped in HCl is brought to...
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Heat of vaporization. It takes a lot of energy for something to change state from liquid to gas. That energy is called the heat...
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Oxygen is an invisible gas, so it has no metallic luster.
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data
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Sadly, In fact, it is impossible to reduce entropy. One derivative of the the second law of Thermodynamics clearly states that...
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Gram was a scientist who invented a technique called Gram staining by which bacteria can be colorized and divided into two...
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A controlled experiment is when all the variables are kept the same, but one. I am a science teacher and I am very upset that...
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Freezing point, boiling point, and density would be a good start in differentiating one material from another.
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Heat product with an equal amount of oxalic acid. Acidic vapours with the characteristic odour of acetic acid are produced.
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Because the one which you cant control is presumably the one you want to know. If you know one variable, it could be anything,...
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Salt affects the growth of many plants, but not all. The higher concentration of salt outside of the plant cells in the soil...
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The high yield means that a large percentage of chemicals used to make ammonia actually turns into ammonia instead of remaining...
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methanol amphiphilic reagent its depend on the approach of suitable acid/base
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Dependent variable is the variable that can be measured. However, the independent variable is the variable that changes.
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Stomach Acid Pancreatic Fluid (actually, someone else put that at 8.1). It is what neutralizes the acid.vaginal fluid
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Considering that everything else is equal, ie. glass, incoming wire. If you are talking only about the filament wire that is...
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Here are some things that wouldn't be possible without the field of chemistry. No plastic. That's no plastic bags, no CDs or...
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using hot water will dissolve it.
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yes it has a uniserrate or biserrate metulae.
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Yes, on amphibians, reptiles and the like. No humans yet.
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yes. the independent variable is what you're testing. it can be a dependent variable depending on the experiment, however it...
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REASEARCH!!
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It is only fertilizer for the soil.
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The duration of time it takes to melt an ice cube with calcium chloride has several factors that come into play that can affect...
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Basically, it's area times height, but because the formula to calculate area is different for different shapes, the formula for...
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A t bone steak will NOT dissolve in cola cola. the coca cola will separate into two different parts.
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To make sure that there is no liquid in the porcelain chips that would evaporate during the dehydration of ethanol which can...
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Most of the time, what we call taste is intrinsicially tied to smell. Traditionally taste has only 4 measurable concepts: salty,...
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Read your textbook again.
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adakah sekolah menengah di Korea yang mengajar tentang sains dan biologi?
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It doesn't. The feather has less mass and more surface area than a coin. The only place where a feather would fall at the same...
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Free electrons, or other charged ions will be affected by a magnetic field, and will no longer travel in straight lines. But...
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Water is a thin fluid. Shampoo is a thick fluid.
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they use that symbol because back then, a lot of scientists were Italian, therefore they gave the chemical the Italian name...
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All animals have unique features that allow you to classify them from each other. Some are easier than others and here are some...
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Blue Giants are the hottest.
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Light is roughtly a million times faster.
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The simple answer is that the density of air is less than the density of water. So a trashbag full of air will float on water. ...
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Sugar water will freeze faster than salt water.
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Because of their liquid content, fruits can be used as conductors of electricity. Citrus fruits like lemons and limes are often...
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The speed that things fall to the earth depends on two things, how fast they started falling and how long they have been falling....
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it is a chemical change
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Apart from meters and kilometers, in Astronomy the following units are often used: Astronomical unit, the mean Sun-Earth...
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Ag + Cl (silver and chlorine) i'd guess
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Yes nitrogen dioxide is more dangerous than nitrogen as it readily forms more complex compounds which are hazardous including...
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A gas condenses to a liquid at the dew point.
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There are many types of pipettes (or pipet), but most are essentially a fancier version of a medicine dropper or eye dropper....
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density of liquid increases with increasing depth because it is further away from air. That is just my logic.
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G2V Otherwise known as a yellow dwarf
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If you are asking if stuff dissolves faster in hot water then in cold water, the answer is yes. If that is not what you are...
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Rusting is a chemical reaction between iron and oxygen. Specifically, it is the oxidation of iron. Almost chemical reactions...
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1 ounce = 0.0283495231 kilograms there are 0.0283495231 kilograms in one ounce.1 ounce = 0.0283495231 kilograms Next time,...
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The scientific name of salt is sodium chloride (NaCl)
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Many branches of science require the use of very large or very small numbers and the scientific notation is suitable for handling...
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The rusting of a nail is a spontaneous, although slow, reaction. The iron in the nail reacts with water in the atmosphere or...
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no because it has different chemicals in it
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The three main types of stress in a rock are shearing, tension, and compression.
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How does the shape of an ice cube affect how quickly it melts?
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we use the metric system because there would not be as much numbers and ways to add and subtract.
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It always depends on the size and shape of the candle. The rate at which a candle burns is dependent on the size and composition...
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Sublimation Sublimation is a form of state transition. It is the process where a solid changes states and turns directly into gas...
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The pinna notch is the range of audio frequencies that are suppressed due to phase-delay interference between sound that is...
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The real answer is that there would be no Earth, or any other planets. The planets were formed as part of the same process that...
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The pro's of cloning is you get another person to keep you company like a person that may of died recently. The cons are it could...
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Pita, because it is a type of bread, will most commonly develop the same forms of mold that other breads do.
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means 1 and 1/3. If you are using Answers in Genesis, it was a type-o
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A change that affects the size, shape or color of a substance but does not affect its composition. A change that occurs in the...
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Precipitation may refer to: Precipitation (meteorology), rain, sleet, hail, snow and other forms of water falling from the sky....
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it is called observation because you observe with your nose by semlling things your eyes by looking at things your ears by...
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to check the sensitivity of the instrument
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Properties of Plastic Some physical properties: transparency, flexibility, elasticity, permeability, water resistant, electrical...
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Oil is less dense than water, so if you throw water on an oil flame the oil will float on top and continue to burn.
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gram is the unit of mass whereas cc is the unit of volume. If an object have the density of 1gm/cc, than 3cc of that object will...
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About four hours and twenty minutes.
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1) Two atoms were walking down the street. Atom 1 bumps into atom 2. Atom 2: Oh no! I think I've lost an electron!Atom 1: Are you...
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An organism is an individual form of life, such as plants, animals, protist, bacterium, or fungi. It is a body made up of organs,...
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If you are going to drink Gatorade (or pop) Drink through a straw. If you drink from the bottle the pop goes directly over...
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The periodic table is a table of the chemical elements, showing the symbols for the elements, their full names, their atomic...
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