1. Introduction to Physical Science

2. A-Science- A-Science- Is a way of learning about the universe and it’s natural laws (Gravity) 1- Skills of scientist Observing Inferring Predicting Section 1 What is Physical Science

3. B- How Scientist Think: 1-Observing 1- Observing: using senses to gather information. Two types: QualitativeQualitative = descriptions QuantitativeQuantitative= measurements (numbers, amount, height, mass, est.…)

4. Inferring: 2- Inferring: When you explain or interpret your observations. Predicting: 3- Predicting: making a forecast of what will happen in the future. Based On:Based On: Past experience Evidence

5. C- Physical Science: C- Physical Science: Is the study of matter and energy, and the properties and relationships to each other. 1- Matter 1- Matter : is anything that has mass and takes up space. 2- Relationships: 2- Relationships: How they respond. 3- Properties 3- Properties: Characteristics

6. Inquiry A- Scientific Inquiry/Method: Logical method used by scientist used to solve a problem. 1-Process Observation Posing Questions /Observation Section 2 Scientific Inquiry/Method

7. Form Hypothesis (educated guess or prediction) a possible answer to the question or problem. Design an Experiment to test hypothesis.  Controlled experiment consist of two set ups.  Only one condition is tested at a time.

8. Variables Variables are factors that are changed in an experiment. Two Types  Manipulated/ Independent : variable that is changed.  Responding/ Dependent : Gives you data.

9. Data : collected as you conduct experiment (recorded observations)  Organized to collect and record observations.  Quantitative use tables, charts, graphs, est.…  Qualitative use notes, journals, or logs.

10. Drawaconclusion Draw a conclusion: does the data support the hypothesis. Communicating Communicating: sharing of ideas and conclusions with others by writing or speaking.

11. B-Scientific Models B-Scientific Models: Used when scientist can not observe certain objects or processes. Can be a picture, diagram, computer images, or mathematical equations. C- Scientific Law 3 Laws of Motion C- Scientific Law: describes what scientist expect to happen every time under certain conditions. (3 Laws of Motion)

12. D- Scientific Theories D- Scientific Theories: a well-tested explanation of observations or experimental results. Has to be large body of evidence to support. If evidence changes the theory can be changed. ☺ Example ☺ Example: Sun revolves around the Earth. We know today that the Earth revolves around the Sun.

14. Section 3 Science Laboratory Safety A- Safety in the Lab 1- Performing the Lab  Read all instruction first  Follow teacher instructions  Follow all safety and symbols  Keep work area clean  Clean work area when finished

15. Section 4 What is Technology? A- Technology: A- Technology: is a system that includes goals, inputs, processes, outputs, and feed back. 1-Technology = away of changing the natural world to meet human needs or solve a problem.  Engineer: uses technology and scientific knowledge to solve problems

16. 2-Design Process  Identify a Need  Research the Problem  Design a Solution Brainstorming= a group freely suggest creative solutions to the problem. Constraint= any factor that limits or restricts a design. Trade-off= one benefit is given up in order to obtain another.

17.  Building a Prototype  Building a Prototype: a working model used to test a design. Can be full size or virtual/computer generated.  Troubleshooting and Redesign  Troubleshooting and Redesign: analyze design and fix any problems.  Communicating the Solution  Communicating the Solution: let the people know.