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Patterns in dating

As you might already know, questions are the backbone of scientific investigations. Experiments are carefully designed to test one variable in an experiment at a time.

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He would breed pea plants with different characteristics and observe how these characteristics showed up in the next generation.Climate change skeptics will argue that there are still cold days, so global warming can't be happening.But, when we examine the scientific data we can see that overall the trend is that global temperature is increasing. Data doesn't have to follow a trend, always going up or down over time.When he bred a pure bred yellow plant with a pure bred green plant, he noticed that all plants were yellow. This led Mendel to propose the idea of dominance, that some traits mask others.This data showed up with other traits as well, such as plant size, pea pod shape and flower color. This is common mode of inheritance and explains many traits in humans such as eye color, ear shape and hair lines.Relationships are similar to trends, but they have a clear mathematical relationship. In your physics lab you are examining the relationship between mass and force.

Each time you apply a different mass to a spring scale and measure the force.

After you collect your data, its important to analyze your results and then go back to compare them to the hypothesis. What should you look for to support or refute your hypothesis?

Scientists focus on three ways to analyze data, looking at trends, patterns and relationships.

The data points may very slightly, but overall the data moves in one direction.

In the case of global warming, there is a trend of temperature increases over a long period of time.

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