Scientific Concepts and Astronomy

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Question

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In the scientific method, a 'question' is what you're curious about and want to find out, often starting with words like 'What,' 'How,' or 'Why.'

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Hypothesis

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An educated guess or prediction that can be tested through experiments.

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Experiment

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A scientific test that investigates a hypothesis by collecting data.

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Procedure

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A list of steps in a science experiment that tells you how to conduct the experiment, including what you need and what to do first, next, and last.

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Sun

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A huge ball of hot, glowing gases that is the center of our solar system, providing light and heat to Earth.

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Star

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A giant ball of gas in space that gives off light and heat, twinkling in the night sky.

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Data

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Pieces of information collected during an experiment or research, used by scientists to understand their study.

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Observation

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What you notice using your senses, helping scientists learn about the world around them.

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Scientific Method

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A step-by-step process that scientists use to ask questions, make observations, form hypotheses, conduct experiments, analyze data, and draw conclusions.

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Supernova

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A powerful explosion that occurs when a star reaches the end of its life cycle, becoming much brighter for a short time.