Science Experiments

Science Experiments

Great Science Experiments with Instructions
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Science Experiments for Kids

A guide to science experiments for teachers, parents and students of all levels

If you need help for your science fair experiments you've come to the right place. We'll take you through variety of web site resources, and show you the most important steps that you need to know for your project.

Science Experiments with full instructions - use our powerful search tool now! Hundreds of ideas available!

What makes good science experiments - this is the question that you need to ask yourself if you've never done one before, or if its been a while - or if you simply just want to be sure that you'll do a great job!

  1. See our Science Experiment handbook for general tips for your project. Our handbook covers many topics including advice on how to display your project
  2. The first thing that need to do is properly understand the Scientific Method
  3. Choosing a topic is the next thing that you need to do. Click on the link above for great ideas for your project
Science Experiments for Kids - First, You'll need to know the Scientific Method. The scientific method is based upon evidence rather than belief. A scientist is always skeptical of anything but good evidence. Essentially, it involves the follwing: Observation, Question, Hypothesis, The Experiment Itself, Analysis and a Conclusion.


The scientific method, starts by the observation of by a scientist of the word around us. You could observe anything at all to begin with. It could be as simple as observing birds perching on power cables, or as complicated as observing the intricacies of the structure of a beehive.


The second step in your science fair experiments is to formulate a good question. Scientists have to be curious-minded people. Look at how any young kid behaves and you will see that instinctively, a kid will poke his nose (sometimes literally!) into almost anything that's new and different.

So, you should ask as many questions as you can, based on your observations. When you ask questions, you should start off by keeping them open-ended.


The next step is to form a hypothesis. This is merely an educated guess as to the answer for the question. How educated your guess will depend on how much you read. This "temporary" or "tentative" answer will be what is known commonly as the "hypothesis".Taking the example above, you may have read books that mention that rainbows seem to appear when the sun shines after it stops raining. Armed with that "hint", you would be on the right track!

The Experiment Itself!

This stage involves actually performing the tests to see whether your hypothesis is correct. You will need to set up several "control" tests. A control test is nothing more than an alternative test with different "variables". For example, if you shine some sunlight through a fountain of water droplets in one test, you could use a single color light (such as light from a flourescent Ultra-Violet lamp) as a control "variable" in your control experiment. You should have more than one control experiment if possible.


As you analyze your results, you must always keep in mind that you may have made mistakes in your experiment. Let's say you are testing whether "Bright sunlight causes plants to grow faster". You could be measuring the rate of growth of the same type of plant in various locations (with varying degrees of sunlight). You would realise that no matter how hard you try, its going to be impossible to measure exactly how long a plant's stem is, because some stems are slanted or curved. You can only make your best guess. What's worse is if your ruler is broken or inaccurate.

Once you have your results, write them neatly in a journal. Compare your results in a table or chart, and display your project.


At this stage, you should make a decision as to whether your results support or do not support your hypothesis. If they do, you can then declare that your hypothesis is correct. Hypotheses that are correctly proven eventually become accepted as scientific "theory".

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