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# Building a Rain Gauge, part 2

Back to part 1

### What Does a Rain Gauge Really Tell Us?

Now that we know the proper shape and location for a rain gauge, lets take a look at what they can tell us, and why they are important.

Lets start by imagining that you put a rain gauge in your yard. After a rain, you find that there is one inch of rain in your rain gauge. We can use that to calculate how much rain fell on your yard.

# What is Science?: Repeat and Replicate

In the scientific process, we should not rely on the results of a single test. Instead, we should perform the test over and over. Why? If it works once, shouldn't it work the same way every time? Yes, it should, so if we repeat the experiment and get a different result, then we know that there is something about the test that we are not considering.

# Science Fair Panic, part 4

## Back to the Science Fair Resource Page

The final step is taking our results and evaluating them. Don't worry if your hypothesis is wrong. That is perfectly good science! Just make sure that you present those results scientifically.

# Science Fair Panic, part 3

## Back to the Science Fair Resource Page

Now we need to design our project so that it will be scientific. This means looking very closely at variables, things that could change the results we get. We want the variable we are testing to change, but we want everything else to be as close to the same as possible.

# Science Fair Panic, part 1

## Back to the Science Fair Resource Page

The very first step in doing a science fair project is to set your goal. Do you want to win the science fair, or just get the project done because you have to? Once that is done, then you need to carefully select a topic for your project. Doing these things correctly will make your project MUCH easier, and the video below will show you how to do that.

# Science Fair Panic, part 2

## Back to the Science Fair Resource Page

What if someone else has already done the project you want to do? Replicating a project that someone else has done is a very important part of the scientific process, but if you REALLY need a unique project, take a look at Thoughts on a Science Fair Project, part 2.

Once you know what you would like to do, then you need to form a hypothesis.

# Strange Flame, part 1

Learn about density, observation, and critical thinking by observing the unexpected behavior of a flame.