Science Inquiry Work Sample Grade 3-5 Forming a Question or Hypothesis Steps for Forming a Question or Hypothesis Background Knowledge Testable Question Forming a Hypothesis, Claim or Prediction Background Knowledge What is it? It is the student’s prior knowledge which can include the following: What students have heard at home or school What students have read at home or in class What students have seen on TV in person What students have experienced at home or at school Student Prior Knowledge It may also include the following at each grade level: 3rd grade Teacher provided content Previous personal experience Observation, exploration, demonstration, video 4th/5th grade – adds the following Research Literature read Expert groups Internet Testable Question What is it? • • • • • Good investigation questions are interesting. Am I interested in finding out the answer to this question. Good investigation questions are those I do not already know the answers to. Do I already know the answer to this question? Good investigation questions leads to a plan of action. (a plan for what I need to do to answer the question, including the evidence I need to collect. Is this question written in a way that clarifies what I need to do (observe, measure, change, ect.) to answer it. Good investigation questions are those that can be answered with available material. Will I be able to find the material I need to answer the question? Good investigation questions are those that can be completed in a reasonable amount of time. Will I have the time I need to answer the question? Science and Children December 2010 Testable Question Examples: • Would a house plant grow better in sandy soil or potting soil? • Are bulbs brighter in in a parallel circuit or series circuit? • What effect does weight have on the distance an object rolls using a ramp? • Which boils more quickly, warm water or cold water? Forming a Hypothesis, Claim or Prediction What is a hypothesis? • • An informed prediction based on prior knowledge and previous experiences. It is framed using ELD sentence frames for making prediction leading to a hypothesis. Examples: - I think that …. will be most effective because ... - If (I do this) , then I think (this will happen) because When forming a hypothesis the variables need to be identified. One of the variables is tested and the others are controlled. • Ex. Plant growth: The amount of sunlight, amount of water, type of soil, or nutrients added.