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Unit 1: Introduction to Physical Science
 

Unit 1: Introduction to Physical Science

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    Unit 1: Introduction to Physical Science Unit 1: Introduction to Physical Science Presentation Transcript

    • Chapter 1 Introduction to Physical Science
    • Section 1: What is Physical Science? 1 . Scientists use the skills ____________ to learn about the natural world. Observing Inferring Predicting
    • Section 1: What is Physical Science? 2. Qualitative observations are ___. Observations that do not involve numbers or measurements The ball is round and red.
    • Section 1: What is Physical Science? 3 . Quantitative observations are ___. Observations that involve measurements The ball is 100grams and has a diameter of 10cm
    • Section 1: What is Physical Science? 4 . An inference is ___. An explanation of your observation
    • Section 1: What is Physical Science? 5. Predicting is ___. Making a forecast of what will take place in the future based on past experience
    • Section 1: What is Physical Science? 6 . Physical science is the study of ___, ___ and the ___ they undergo. Matter Energy Changes
    • Section 1: What is Physical Science? 7. Chemistry is the study of ___. Properties of matter and how matter changes
    • Section 1: What is Physical Science? 8. Physics is the study of ___. Matter and energy and how they interact
    • Section 2: Scientific Inquiry 1. Scientific inquiry is ______. Different ways scientists study the natural world
    • Section 2: Scientific Inquiry 2. The process that scientists use in inquiry include ______. Posing questions Developing an hypothesis Designing experiments Collecting/interpreting data Drawing conclusions Communicating ideas and results
    • Section 2: Scientific Inquiry 3 . A hypothesis is ___. The possible answer to a scientific question or an explanation to a set of observations
    • Section 2: Scientific Inquiry 4 . A hypothesis must be ___ by an observation or experiment. Testable
    • Section 2: Scientific Inquiry 5 . Variables are ___. Factors that can change in an experiment
    • Section 2: Scientific Inquiry 6 . The independent variable (I.V.) is___. The variable which is changed or manipulated (“I” change)
    • Section 2: Scientific Inquiry 7 . The dependent variable (D.V.) is the ___. Variable that is expected to change (Responding variable) Variable which is measured
    • Section 2: Scientific Inquiry 8 . A controlled experiment is ___. An investigation in which all the variables remain the same except one
    • Section 2: Scientific Inquiry 9 . Data is ___. Facts, figures, evidence gathered through observations
    • Section 2: Scientific Inquiry 10 . The abbreviation SI stands for ____, and uses ___ measurements. International System of Units Metric System
    • Section 2: Scientific Inquiry 11 . Graphs are a useful way to display data because they can reveal ___. Trends or patterns in the data
    • Section 2: Scientific Inquiry 12 . A conclusion states___. Whether or not the data supports the hypothesis
    • Section 2: Scientific Inquiry 13 . Communicating is ___. Sharing ideas and conclusions with others through speaking and writing
    • Section 2: Scientific Inquiry 14 . Why do scientists use models, and develop laws and theories? Scientists use models, develop laws and theories to increase peoples understanding of the natural world.
    • Section 2: Scientific Inquiry 15 . A scientific law is ___. A statement that describes what scientists expect to happen every time under a particular set of conditions
    • Section 2: Scientific Inquiry 16 . A scientific theory is ___. A well tested explanation for a wide range of observations or e experimental results
    • Section 2: Scientific Inquiry 17 . What happens if future evidence does not support a theory? If future evidence does not support a theory, the theory may be modified or discarded
    • Section 4: What is technology? 1 . What is technology? Technology is a way of changing the natural world to meet human needs or solve problems
    • Section 4: What is technology? 2 . Describe the process an engineer follows. Identify a need Research the problem Design a solution Build/evaluate a prototype Troubleshoot/redesign Communicate the solution
    • Section 4: What is technology? 3 . A technological system includes___. Goals, Inputs, Processes, Outputs, (Feedback)