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A comprehensive set of questions and answers related to the scientific method, focusing on independent and dependent variables. it's a valuable resource for students learning about experimental design and data analysis in science classes. The questions cover key concepts such as observation, inference, hypothesis testing, controlled experiments, and interpreting results, making it suitable for high school and university-level science courses.
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Scientific Method - correct answers ✅An organized plan for gathering, organizing, and communicating information Goal of scientific method - correct answers ✅Answer a question or to better understand a process or system What do scientific investigations often begin with? - correct answers ✅An Observation Observation - correct answers ✅Information that you obtain through your senses, such as sight, sound, and touch Inferring - correct answers ✅Drawing conclusions about something by using gathered data or previous knowledge What are you doing when you explain or interpret the things you observe? - correct answers ✅Inferring
Hypothesis - correct answers ✅A possible explanation for a set of observations or answers to a scientific question; an educated guess What are investigations designed to test? - correct answers ✅A hypothesis Variables - correct answers ✅All factors that can change in an experiment Controlled Experiment - correct answers ✅An experiment in which only one variable is changed at a time Independent Variable - correct answers ✅The variable that is purposely changed to test a hypothesis Dependent Variable - correct answers ✅The factor that may change in response to the independent variable
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable. - correct answers ✅Distance traveled by the ball Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his dependent variable? - correct answers ✅Amount of time the dog follows commands Maria wants to know if birds prefer to eat in one place over another. She makes three feeders out of 2-liter bottles and paints all of them red. She fills each of the feeders with the same amount of mixed birdseed, and plans to keep the feeders out for 10 days before measuring how much seed is eaten from each feeder. She puts each of the feeders in her back yard: one feeder in a large dead tree, another feeder she sits on the dog house, and the last she sits in a small bushy tree. What is the controlled variable? - correct answers ✅Type of birdseed