Describe how scientists answer questions by developing explanations based on observations, evidence, and knowledge of the natural world.
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Describe how scientific investigations involve asking and answering a question.
Recognize that people have always had problems and invented tools and ways of doing things to solve problems.
Explain that most man-made and natural objects are made of parts.
Ask questions and make observations about objects, organisms, and events in the environment.
Describe a design problem in their own words.