Chapter 1 Section 1: What is Physical Science? Key Concepts: What skills do scientists use to learn about the world? What do physical scientists study? (write the key concepts in your ISN, but you don’t need to leave space to answer them) Key Terms: (write these with enough space for you to define each term in your ISN) Science Observing Qualitative observation Quantitative observation Inferring Predicting Chemistry Physics

8th Grade physical science Ms. Fuentes Email

How to learn in this class Pay attention during class  I’m here to help you. Look for key words and important concepts, and review them. As we read the textbook, notice which words and concepts are in CAPS or in bold; these are important, and probably something that can be easily reviewed and memorized. If you can talk about it, and explain it, you’ve got a good grasp on it. If you have trouble talking about a concept, you need to review it. Review  and ask questions! Next: My goals for you

Have fun learning about the world around you! My goals for each of you We’re going to learn the material We’re going to learn how to learn (better!) By taking organized notes so they are useful to us when we study By learning how to process information in a useful way By making models and doing projects so new information makes better sense to us by breaking it down into things we already understand And especially… Have fun learning about the world around you!

Let’s begin! At the start of each new section, we’ll go over key terms that I will expect you to learn and understand by the end of the section. We’ll review them together at the start of each section and put them in our ISN with enough space to define each one. We will go over key concepts from each section, which I will also expect you to learn and understand. We’ll review them together at the start of each section and put them in our ISN, but we don’t need to leave space to answer them. The Key Concepts are there to guide us as we learn the sections. By the end of each section, after review, you should be able to comfortably discuss the key concepts with other students. If you don’t feel comfortable, you will know that you need to review the section a bit more  We’ll then fill in our ISNs with other information that we think is important and helpful to us learning the material. Our ISN will be our guide to what we are learning/have learned section by section. We will use it to simplify the information in the book.

Chapter 1 Section 1: What is Physical Science? Key Concepts: What skills do scientists use to learn about the world? What do physical scientists study? (write the key concepts in your ISN, but you don’t need to leave space to answer them) Key Terms: (write these with enough space for you to define each term in your ISN) Science Observing Qualitative observation Quantitative observation Inferring Predicting Chemistry Physics

What is “science”? Your textbook defines it as “a way of learning about the natural world by gathering information.” What does science look like? How to scientists do “science”?

How scientists think Scientists use the skills of observing, inferring and predicting to learn more about the natural world. Some (but not all) of the skills used by scientists are: Observing Qualitative vs. Quantitative observations Using your senses to obtain data Inferring Creating a possible explanation for something observed Predicting Making a “forecast” of what will happen in the future based on past evidence

Qualitative Vs. Quantitative Deals with descriptions Deals with numbers Data can be measured Data observed but not measured Length, height, area, volume, weight, speed, time, temp., humidity, cost, ages, etc. Colors, textures, smells, tastes, appearance, etc

Example: An oil painting Qualitative vs. Quantitative A large(ish) painting 29in x 36in Blue colors with swirls Weighs 8.5 pounds Approx.125 years old Texture shows brush strokes

Example 2: Coffee in a cup Qualitative vs. Quantitative Robust aroma Brown liquid Strong taste Cup is white 12 ounces 100 degrees Cup is 7 inches in height Cost 4.95

Example 3: The class What qualitative observations can we make? What quantitative observations can we make?

Observing Vs. Inferring Slides For each image, write Your description of the image 1 observation (could be qualitative or quantitative, but they will probably be qualitative for these particular slides) 1 inference 1 prediction of what will come next (has to be based on what you have observed and inferred. Predictions need to be useful and related to the information you have.)

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Physical science is the study of matter and energy Physical science is the study of matter, energy, and the changes they undergo. The two main areas are: Chemistry is the study of the properties of matter and how matter changes. Physics is the study of matter and energy and how they interact. Where do we see physical science? Think: how do the following people use some knowledge of physical science to complete their jobs? Photographers Piano tuners Firefighters

Have you learned this section well? You need to be able to define the key terms You need to understand observing, inferring, predicting Do you know how observations are made? Do you know what an inference is? Can you make good predictions when given information? You need to know the difference between qualitative and quantitative observations You need to know the two main branches of physical science: physics and chemistry