# How to write a hypothesis for science fair project

What you learn from available research and data can help you shape your project and hypothesis. Establish design criteria and constraints Design criteria are requirements you specify that will be used to make decisions about how to build and evaluate the product.

Make sure your hypothesis is a specific statement relating to a single experiment. Look at the examples to the left. A hypothesis is a tentative, testable answer to a scientific question.

Included the independent and dependent variables in the hypothesis statement. Examples of Hypotheses and Predictions Question Prediction How does the size of a dog affect how much food it eats? I believe that the pine will burn the fastest.

Instead, you make an "educated guess" based on what you already know and what you have already learned from your research. I think the fruit juice with the most surgar will ferment the most. A better explanation of the purpose of a hypothesis is that a hypothesis is a proposed solution to a problem.

Reading your hypothesis should tell a teacher or judge exactly what you thought was going to happen when you started your project.

When you write your hypothesis, it should be based on your "educated guess" not on known data. At this point, it is obvious only because of your research. Which ball will go the farthest 2. Customers are usually involved in product testing so be sure you have SRC approval if people are involved.

Time for some more research. My problem statement is which shooting position is most accurate? The idependent variable The dependent variable changes in response to the independent variable.

How will the three different sodas effect the weight of the nail?Sep 09,  · Expert Reviewed. How to Write a Hypothesis. Two Parts: Preparing to Write a Hypothesis Formulating Your Hypothesis Community Q&A A hypothesis is a description of a pattern in nature or an explanation about some real-world phenomenon that 80%(73).

Now that you know your independent and dependent variable, the rest of the science fair project is a piece of cake. Your problem statement and hypothesis are extremely easy to write if you have determined your independent and dependent variables.

The Three-Step Process. It can quite difficult to isolate a testable hypothesis after all of the research and study. The best way is to adopt a three-step hypothesis; this will help you to narrow things down, and is the most foolproof guide to how to write a hypothesis.

A Strong Hypothesis When you write your hypothesis, it should be based on your "educated guess" not on known data.

Whether or not something is a 'good natural pesticide' is too vague for a science fair project. There is no clear indication of what will be measured to evaluate the prediction.". For the investigative science project, it is important to have a hypothesis that can be proved or disproved, and one that can be measured.

One way of ensuring that your hypothesis is measurable is to see if you can identify the following variables for your science project. Engineering projects involve creative problem solving, and they are not hypothesis testing. Be sure to use the web (mi-centre.com, mi-centre.com, mi-centre.com, ISEF Science Project Resources) for inspiration, however your idea should be original.

Quality entries from previous fairs are good sources of ideas and best practices.

How to write a hypothesis for science fair project
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