VARIABLE, A variable is a symbol, a usually letter, that represents a quantity whose value can change depending on the situation. In mathematics, variables act like containers that can hold different numbers. For example, in the equation x +5 = 10, the letter x is a variable because it can take on the value 5 to make the equation true. While in research, variables are also used to represent factors or conditions that can change, such as age, test scores, or study habits., PROBLEM, A matter or situation regarded as unwelcome or harmful and needing to be dealt with and overcome., HYPOTHESIS, An educated guess or a prediction about what will happen in an experiment. It acts as a scientific map that guides your research; for example, if you say, “If I will give this plant more sunlight, then it will grow taller,” you are making a hypothesis that you can then test.

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