An explanation of observations of events based on knowledge gained from many observations and investigations is which of the following?

What is a rule that describe repeatable patterns in nature work under specific conditions in nature?

The variable that is changed by the investigator in an experiment is called the ____.

A prediction or statement that can be tested is ____.

Which of the following is a factor in an experiment that does not change?

The process of learning more about the natural world is ____.

The variable that is changed by the investigator in an experiment is called the ____.

Rob saw an advertisement for a household tool that would chop, slice, and sew. Using a comparison of what he already knew, he knew it wasn't true. He was using his...

Which of the following is a way that scientists communicate their results to others?

Using wind tunnels to make bicycles more aerodynamic is the practical use of scientific knowledge or...

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