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Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
11,111 Questions
The correct spelling is hypothesis instead of hypothesis. A hypothesis is an educated guess on how you think something will work. It is a tentative statement, proposed explanation, or statement of prediction.
It increases by a factor of 4, because Fc = (mv2)/r. Fc = ma.
so we conclude that the relationship between a and v is a squared relationship.
What paper towel absorbs the most liquid?
Some brands that are known for high absorbency include Bounty, Brawny, and Viva. It may be best to conduct a personal experiment to determine which brand works best for your specific needs.
Which dish detergent produce the most suds for science project?
Dish detergents with higher concentrations of surfactants tend to produce more suds. Look for detergents labeled as "high-sudsing" or "concentrated" as they are likely to produce more suds for your science project. Additionally, avoid detergents labeled as "low-sudsing" or "eco-friendly" as they may produce fewer suds.
Whats the difference between a solution and a mixture?
A mixture is a combination of two or more substances that are not chemically united and do not exist in fixed proportions to each other. They can be physically separated into pure compounds or elements. A Solution is a mixture of two or more substances in a single phase. At least two substances must be mixed in order to have a solution.
What you intend to do in an experiment?
What a person intends to do in an experiment depends on what the experiment is. Someone will need to know what the exact experiment is to know what they would do in it.
What is an example of a wedge?
an axe
An example of a wedge is a knife. Two inclined planes, moving.
another is pins, nails, axes, chisels, ice peak.
Some other good answers would be: swords, TEETH, because wedges are a type of inclined plane. It's just turned to it's side.
--------------------------puffy mimi v v v v
Examples: Fork, knife, ulu (A type of cutting tool that Inuit people use), shovel, rakes, grade, wedges.. a doorstop is a very good wedge too....somtimes you can write axes...You can just search google, like I was doing a project about simple machines last month..There are lots of webs that have very creative examples and I got a very good mark on that project. ^_^ I hope I helped! Your teeth can be a wedje... SHIELA MAE FROM V-2 BROMINE A. E.S
What does a reliable experiment mean?
A reliable experiment is one that can be proven or has been worked out several times giving valid or dependable results.
Superstitious beliefs in the Philippines?
The Philippines is known to have numerous superstitious beliefs. Filipinos believe that seeing a black cat is bad luck. If one's palm is itchy, it means wealth is on its way.
Why does a white candle melt faster than a colored candle?
White candles typically melt faster than colored candles because they are made from a purer wax, such as paraffin or soy wax, which has a lower melting point. Colored candles often contain additional dyes and additives that can raise the melting point and slow down the burning process.
What is the symbol for proportional to?
The symbol is the greek letter alpha which looks kinda like a Jesus fish
What do scientist do after an experiment?
They draw inferrences or conculution whether the theory is true or false. They validate or disapprove the hypothesis.
When a variable is kept unchanged in an experiment it is said to be?
It is called the control variable. It is used to compare to your experimental results.
What is the difference between a control group and an experimental group?
Control groups do not test the variable or action. They are a constant comparative base. The experimental group has one different variable. They two are compared to see what affect (if any) the variable has.
The control group is not exposed or subjected to what they're testing. The experimental group is.
For example, a control group and an experimental group may each consume the same foods, on the same schedule. The experimental group would also receive a nutritional supplement, to see if it had any beneficial effect. This would ideally be the only major difference in the two groups.
Does a scented or unscented candle burn faster and how do you know?
The answer above is correct though many people think that is makes no difference. So I suggest you get a lot of answers from people and find the majority.
What are the advantages of petroleum?
that the dirty Americans will be happy and have more money like yhe Jews
(A) What you did in your experiments? (B) What was your plan? (C) How you did your experiment? All of these are the conclusion that you can use. Well actually you have to use all of these. To figure and what you will have to write in your experiment for your conclusion.
you can prove a hypothesis false by giving a counterexample
say you had the hypothesis "all whole numbers are odd", which holds for 1 and 3 but once you try 2 the hypothesis is proved wrong
but giving a lot of examples that are consistent with the hypothesis does no prove it to be true
the fact that you haven't found any counterexamples doesn't mean there aren't any Most science uses inductive reasoning.APEX ___________________ Take this make-believe scenario: I am investigating the properties of water, and I need to know all I can about how water, ice and heat interact. I know that when water gets cold enough, it freezes, and that when ice is exposed to heat, it melts. I might come up with a hypothesis-- a first attempt to understand what is happening with water and ice. I hypothesize: Since water is the liquid state of H2O, and liquids are warmer than their solid forms, water must be warmer than ice. It must be that as soon as water forms from melting ice, it is at least a little warmer than the ice. After all, at zero degrees water becomes ice. At this point, I do not know for sure, but I am speculating (hypothesizing) based on the general information that I have. I wonder how I can test my hypothesis: Let us assume that I can measure the temperature of ice and of water with great accuracy. I should be able to easily make a mixture of ice and water, while measuring the temperature of each independently.
- If my hypothesis is correct, I will find that at one atmosphere of pressure and in a chamber kept at exactly zero degrees Celsius the ice will warm to zero degrees Celsius and it will get no warmer. When it is warmer, it is water and not ice.
- I will also observe that the water will be at least a little above zero degrees Celsius when it first melts away from the ice.
- I apply heat to the ice and some ice melts.
Daniel Bernoulli (born February 8, 1700 in Groningen; died March 17, 1782 in Basel) was a Dutch-born Swiss mathematician and physicist, who is most closely associated with his applications of mathematics to fluid mechanics, as well as his work pertaining to probability and statistics.
Nuclear reactors can vary in size depending on their purpose. A typical commercial nuclear reactor used for generating electricity can be around 1,000 megawatts in size, which is enough to power a city of about one million people. Small modular reactors (SMRs) are also being developed that can be much smaller in size, around 50-300 megawatts.
What is the need for the refrigerator?
The refrigerator is needed to keep food fresher for longer periods. This makes shopping and food preparation more convenient, and it does so at lower cost. The refrigerator is an almost mandatory home appliance. Perhaps the most valuable of any, including the stove or range. Previous to having electric refrigerators, people would buy blocks of ice for their refrigerators. Underground cellars were common for food storage before that, since the temperature would stay more or less constant. If there was a lake that would freeze over, ice would be cut in blocks and put into the cellars, lined with hay, which would help maintain the cool temperatures over the summer.
