Different Types Of Science Fair Projects

How to Choose a Science Fair Topic Project

So your science teacher has announced that you are required to undertake a science project in this semester. First of all … Do not panic! Yes, it will work a lot, but with a little help, it will also be interesting, and you can even enjoy it.

The first step in completing a long-term science project is to fully understand your teacher’s needs or the rules for the science you are about to enter. Read the instructions carefully and ask questions if you need clarification.

Is it a project for a Biology class, so you need to consider only projects in Biology, or you Physics, so you need to think of engineering projects? Make sure you know what kind of project is needed for your class.

Five types of science projects

There are five basic types of science projects.

Descriptive: This is basically a science report that describes the existing situation – global climate change, for example – perhaps with visual aid requirements. This type of project is usually required in primary or secondary school rather than in high school.

Collection: Collecting leaves or insects is a joint project for primary or secondary schools. Most high school teachers need more than just mere collections.

Demonstration: This project type is an illustration of a known science principle or phenomenon, such as floating a needle to indicate water tension. You do not actually learn anything new. Check if your project is.

Technique: This type of project involves designing, analyzing and upgrading devices, materials or technologies. The engineering project includes the creation of prototypes or the development of simulations to test the effectiveness of different design changes or materials.

Experimentation: This is the type of project most often required at the senior high school level. Students are expected to use what they think about the experiment and report its findings.

Choose a topic

Once you are clear about the type of project needed, it is time to move on to the actual project. There are hundreds of books and online resources available with suggestions. How do you choose the right topic for you?


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You will be interested in a little work on your project, so you want to pick a topic that interests you. One way to get started is to make the mind of the web or mind map. Start with a large blank sheet of paper, draw a circle in the middle and label it with one word that represents one of your interests. Make a few lines, or fingers, radiating from the center circle and the multiplication of other words you think about when thinking about the main topic.

For example, if you choose “sports” such as basketball, soccer, baseball, running, golf. “Next, draw some more topics from each of these topics.The best science questions are usually: when, where, who, why, where or how. Try to write at least two questions for each of your fingers.

Eliminate irrelevant questions Deciding what “best” often means that you will base your results on your opinions and not evidence. This is called “bias” and is not appropriate for science. Find questions that have independent and dependent variables. The independent variable is a factor that you can change to test the effect of change. The dependent variable is something you can measure that means the effect of the changes you make.

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For example one of your questions might be: “When is the best time to exercise?” This question has independent variables – you can choose to work at different times, but have no way to measure which time is “best.” You need a dependent variable. The easiest dependent variables to measure include numbers in size, time, velocity, or distance. Some experimental questions have changes that can be described as color changes.

“Does walking in the morning increase my heart rate more than running at night?” Have independent variables (different training times) and dependent variables (Note the Wording changes – we have narrowed the “exercising” to “run.” You can have more information on how to do it in the morning.
Test fair
Next, you must submit a “fair trial.” For example, you should make sure you do the same exercises with the same conditions at different times. After all, if you run a mile uphill in the morning and only a quarter of a mile on the ground level at night before measuring the heart rate the test will not be fair! You also want to control as many other factors as possible. For example, you might find a place to stand inside the house, so the weather will not change. The best experiment has only one changed factor – the variable. You also want some trial trials, usually an additional seven, to ensure changes are occurring. The more trials you make, the more certain your results will be.

Now you have the foundation of a possible science project:

Question: “Does walking in the morning increase my heart rate more than at night?”
Independent variables: Different times of day
Dependent variable: heart rate
A fair test: I will run the same distance in the same condition twice a day every day for two weeks. I will take my pulse before running and after walking and counting the heartbeat. I will record the change in heart rate and determine whether the average difference is greater in the morning or late afternoon or if it makes no difference.

Just remember the best experiments are always ok experiments or further questions. For example, if the average heart rate increases as the lid in the morning does the same thing happen to others? (Remember if you use others in your experiment, you need to write permission from their parents if they are under 18.)

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