Scientific experiments are how people test an idea and get reliable results. It is essential that experiments are designed, carried out, and recorded in such a way that other people can replicate the test. Major scientific journals have strict rules to ensure that experiments follow this scientific method. However, the scientific method is not complicated and can easily be used in classroom experiments for young children. Think of a science experiment like a recipe for making a cake; if you plan, write, then carry out the steps in the right order then you will be successful.
A hypothesis is a question or statement that can be tested. For example, "cats meow more often at their owners compared to strangers they do not know." It is also okay for a hypothesis to show what you expect to happen or to write it in an open-ended way. For example, "do cats meow more often at their owners or strangers?"
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