to answer the question: "Does Rogooti (which is a commercial hair product) affect the speed of hair growth". Describe how Lisa would perform this Rogooti (which is a commercial hair product) affect the speed of hair growth". Scientific Method - Controls and Variables ANSWER KEY Write a definition for each: Control - A part of the experiment that is not being tested and is used for comparison. Homer decides to check this out by spraying half of the shower with coconut juice. Independent variable: _____ designing an experiment, collecting and analyzing data, and drawing a conclusion. _____ Scientists MUST follow the scientific method to ensure valid results in an experiment. 20. This worksheet provides students with a reading about a controlled experiment and questions that require students to identify the hypothesis, different variables, and conclusion of the experiment. Everything within an experiment that must definitely be exactly the same to really make it fair are known as; A) controlled variables or constants B) independent variables C) dependent variables D) controlled experiments. Describe how Lisa would perform this experiment. A hypothesis is a possible explanation for an observation. His friend Barney tells him that coconut juice will get rid of the green slime. Homer notices that his shower is covered in a strange green slime. In science, an informed guess is known as a/an; A) hypothesis B) conclusion C) question D) observation. 16. Read the given scenarios below. Variables, Constants, and Controls Worksheet . This is sometimes also referred to as scientific inquiry. 15. 3. Her family is willing to volunteer for the experiment. Identify the control group, and the independent and dependent variables in your description. This resource could be used to help teach about the different components of a controlled experiment or a) Controlled experiment = has at least two identical setups Control group = group used for comparing results Experimental group = group in which you change one variable b) Variable = the factor that you change independent variable = the part that you as the experimenter setup to test or change in the experiment Controlled Experiments. In a controlled experiment, only one variable is tested at a time. Identify each required component. Control Group: _____ Experimental Group: _____ Read the following situation and answer the following questions. Her task is to answer the question: "Does 20. Independent Variable - The part of the experiment that is manipulated or changed by the scientists or person performing the experiment. Scientific Method Worksheet: Answer the following questions about the scientific method and a controlled experiment.Write the answers on your own paper. Variable - Any part of an experiment that can vary. Use data (numbers) to support your answer. experiment. She believes that plants can survive best in white light. Part A: True or False Decide whether each statement is true or false. Identify the control group, and the Her family is willing to volunteer for the experiment. (From the video) Define independent variable. Define what a controlled experiment is. Log onto your lap top and watch the video entitled “Observations, Inferences, and Controlled Experiments” (Video and worksheet can be found on Tuesday, February 4th) Now, answer A thru E as you are watching. Controlled variable: number of papers each group stapled? A good scientist will design a controlled experiment to test their hypothesis. 2019 Feel the Heat Answer Key Vocabulary: calorimeter, conductor, controlled experiment, dissolve, endothermic, exothermic, insulator, solute, solution, solvent, surroundings, system Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Scenario 1: A student is studying how far room temperature water would squirt out of a plastic milk carton when 4mm holes are punched at different heights from the bottom of the container. _____ A reliable experiment can have 2 or 3 independent variables. Suzie Q wants to know the effect of different colors of light on the growth of plants. Displaying top 8 worksheets found for - Controlled Experiments. 17.

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