What is a hypothesis?

• A. Hypothesis
• B. Guideline
• C. Hardy
• D. Hasten

Answer: (A)

A hypothesis is a tentative explanation or educated guess about how something works or how two things are related, and it’s something you can test through observation or experimentation. It should make a clear, testable prediction so you can gather evidence to support or refute it. That’s why the term fits here: a hypothesis is a statement you can investigate, unlike a guideline (general advice), a surname, or a verb meaning to speed up. For example, if you hypothesize that increasing sunlight will make a plant grow taller, you can test that by comparing plants with different light levels while keeping other factors the same.