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Science Experiments
Experiments often conducted by students to test different scientific theories and hypotheses
11,111 Questions
What makes a good hypothesis for science fair?
My Little Pony: Friendship is Magic. This is the first step to any good scientific experiment.
P.S. Fluttershy is best pony.
Does age make a difference in lung capacity science fair projects?
Yes age does make a difference in lung capacities because as you get older your body changes such as how you breathe, when you get tired while running for a short time, and how you can eat more than someone else younger than you.
Which paper towel brand is the srongest science fair projects?
i think it is bounty becuse it has been tested and it was proven.
What hypothesis can you use for a middle school science fair project?
A hypothesis is your best educated guess on what the outcome of the science fair project is going to be. So you would first need to come up with the science experiment that you want to do before you can come up with your hypothesis. Example: if your science project was mixing baking soda and vinegar together to see what type of reaction you will get, your hypothesis is your guess on what is going to happen when you mix the baking soda and vinegar together. So my hypothesis for that experiment of mixing baking soda and vinegar together is that it will foam up and overflow from the container that I mixed them in. If that happens then my hypothesis was correct. So you need to have an experiment in mind before you can make your hypothesis for the experiment.
What is 120 micrometers equivalent to?
One metre is equal to one million micrometres. Therefore, 120 micrometres is equal to 3/25000, or three twenty-five thousandths, of a metre.
Similarly, 120 micrometres is equal to 0.12 millimetres.
The basic procedure used in a controlled experiment before changing any variables?
the answer is experiment
Which of these would be an appropriate topic for a science fair project?
Some examples of science fair projects would include the effects of caffeine and demonstrating if a hamster or mouse can go through a maze more quickly.
analyzing data
What is the protective effect of the crude leaf extract of combretum racemosum on cyclosporin-A induced liver injury in rats?
What are the characteristics of all scientific theory?
A scientific theory is either (1) an explanation of why or how something happens in nature (physical sciences), or (2) an accepted body of statements that is all we know at present about something (mathematics).
Most theories in the physical sciences involve technical knowledge, such as a mathematical description of things, and\or statements of laws. (But laws are not theories, they are patterns of occurrences in nature.) In the physical sciences, a scientist trying to explain something may make one or more hypotheses, as educated guesses; these hypotheses are then tested in some relevant way to try to refute them. The one that passes the most tests becomes the reigning theory.
Other features of theories are that they explain the largest amount of relevant data, and that they explain it parsimoniously or "prosaically." This means that they obey "Occam's Razor:" they explain the data without needlessly postulating new entities or processes in the world. (It's named after William of Occam, a British philosopher of the 14th century A.D. who thought it up.)
Most theories are tested by making "testable predictions;" the theory or scientist makes predictions of events and\or entities that no one has detected yet, and a relevant test is made to see if the event or entity really does happen or exist.
Examples of Theories And Other Related Information:
(1) Relativity theory: This is the theory of Albert Einstein; it involves a mathematical description of the four dimensional manifold called "space-time," and the theory says that a gravitational field "warps" the space-time around a massive body; this is an explanation of gravity and its effects. Relativity was tested by measuring the positions of certain stars that were close to the sun, before and during an eclipse. Einstein had predicted that light-rays passing close to a massive body like the Sun would be bent by the gravitational field of the Sun. It was seen that the positions differed by amounts that were close to the predictions of the theory. The theory also accounted for an anomaly in Mercury's orbit, and it did away with the "luminiferous ether." (This was a substance thought to permeate all space in the universe.) So the theory explained a little more than Newton's, and it was more "prosaic" than its predecessor (Newton's theory could not account for everything about Mercury's orbit).
(2) Theory of Natural Selection: This is the theory of Charles Darwin that says that the advent of all species in nature is the result of Natural Selection. Darwin said that Natural Selection was analogous to the selection that people do when they breed animals and plants. Certain inherited features of organisms make them better adapted to their environment, and so those species stay long enough to leave progeny, while other species are maladapted to the environment, so they become extinct. Changes in the inherited characteristics, if allowed long enough to accumulate, lead to new species. The theory was tested against its rivals, and also tested in genetics laboratories. One testable prediction it made was about the age of the Earth. Darwin held out against the verdict of the physicists of his day; they said that the Earth can only be hundreds of thousands of years old, while Darwin, given what he knew about the pace of evolution, said it must be in the hundreds of millions of years old. He proved to be right- it's in the billions, 4.5 billion years old to be exact. The theory proved also to be more parsimonious: it eliminated the older theory of Lamarck, who said that acquired characteristics are passed on to an animal's progeny (e.g., if a giraffe tries really hard to reach the highest buds on a tree and its neck stretches, it passes the longer neck on to its offspring.), it eliminated the "scale of nature," which was the idea that we human beings are the pinnacle of creation, and it eliminated the older idea that evolution or creation is "trying" to make us human beings.
What constant mean in the science fair project?
In the Science Fair, 'constants' are things that remain the same in your experiment. For example, you might want to keep the temperature constant for the duration of the experiment.
How should you start off an abstract for a science project?
our science fair project abstract lets people quickly determine if they want to read the entire report.
Science projects based on gymnastics for sixth graders?
I'm a seventh grader and i have done i sf experiment for 2 yrs now. For an experiment you need two variables a control, the normal state, and a variable, what you are going to change. You could do something about the speed of your run before your trick, the type of shoe with balance, the chalk or no chalk when you do the bars or type of mat you do your tricks hope this helps have fun!!!!!!!!
Number of trials is how many times you test your hypothesis. When you are doing trials the end result may come out differently every time.
What is a science fair project you can do in a week?
a jucier
There are a lot of science fair projects you can do in a week.
1. You can do experiments with the PicoTurbine Windmill
2. DNA extraction science fair project
3. Water or Soil microbes science fair projects
4. Find out what bacteria is lurking in your kitchen, bathroom, shower head surface mirobes
5. Take the solar systems magnetic pulse with a magnometer
6. Roast peanuts and see which nut burns faster and which burns slower. Almonds,Peanuts,Walnuts,Cashews and Pecans
7. Test to see what brand of paper towels is most absorbant.
8. Test to see which search engine brings up results fastest.
9. volcano That gets out syrup like lava
In Super Size you what were 4 rules Morgan had to follow in the experiment?
Morgan had to 1.have at least everything on the menu once
2. Have McDonald's for breakfast lunch and dinner for 30 days
3. when they asked him if he wanted a super size he had to say yes
4. everything he ate had to be from McDonald's (water, juice, chicken, salad)
5. he had to walk less than an average American
-dawanee.
Three things that you should do to prepare for a lab?
A lab should be fully prepared before an experiment is performed. Three things that should be in a lab are, paper and pencils, beakers, and a microscope.
What is a good website to find good science fair projects?
Your school website is a good website to find a science fair project. Science programs for kids typically have websites with projects listed. PBS has a website for kids that includes science projects.
What is the condition that stays the same in an experiment is the?
Of course if your in science Germination! It doesn't change no matter what you do in a plan experiment. (Or look this up in a book too!)
What is the conclusion of a science fair project?
the conclusion is similar to the abstract expect you state more of the results and what you have learned from your topic and study/experiment.
