CK-12 Physical Science Concepts - For Middle School

1.22 Field Study enter a river in runoff rainwater that picks up pollutants as it runs over the ground. This type of pollution e ...

http://www.ck12.org Chapter 1. Introduction to Physical Science Review What is a field study? When is a field study more approp ...

1.23. Communication in Science http://www.ck12.org 1.23 Communication in Science Explain why communication is important in scie ...

http://www.ck12.org Chapter 1. Introduction to Physical Science FIGURE 1.25 You can think of scientific knowledge as a brick bui ...

1.23. Communication in Science http://www.ck12.org Explore More Watch this video about scientific communication, and then answer ...

http://www.ck12.org Chapter 1. Introduction to Physical Science 1.24 Replication in Science Define replication. Explain the imp ...

1.24. Replication in Science http://www.ck12.org FIGURE 1.26 This child is receiving a vaccine. Soon after the original study wa ...

http://www.ck12.org Chapter 1. Introduction to Physical Science Review What is replication? Why is replication important in sci ...

1.25 International System of Units 1.25 International System of Units Describe the International System of Units (SI). Convert ...

http://www.ck12.org Chapter 1. Introduction to Physical Science TABLE1.4:(continued) Prefix Multiply Basic Unit× Basic Unit of L ...

1.25. International System of Units http://www.ck12.org Review What does SI stand for? Why is it important for scientists and e ...

http://www.ck12.org Chapter 1. Introduction to Physical Science 1.26 Scientific Measuring Devices State how to read a metric ru ...

1.26 Scientific Measuring Devices Q:What is the length in millimeters of the red line above the metric ruler? A:The length of th ...

http://www.ck12.org Chapter 1. Introduction to Physical Science FIGURE 1.28 picture, the balance is being used to measure the ma ...

1.26. Scientific Measuring Devices http://www.ck12.org Q:What is the volume of the liquid in the graduated cylinder pictured abo ...

http://www.ck12.org Chapter 1. Introduction to Physical Science Review Using the enlarged metric ruler segment shown below, wha ...

1.27. Accuracy and Precision http://www.ck12.org 1.27 Accuracy and Precision Define accuracy of measurements. Define precision ...

http://www.ck12.org Chapter 1. Introduction to Physical Science Precision As you can see from the sketch above, the four golf ba ...

1.27. Accuracy and Precision http://www.ck12.org FIGURE 1.30 Review Complete this statement: A measurement is accurate when it ...

http://www.ck12.org Chapter 1. Introduction to Physical Science 1.28 Calculating Derived Quantities Define derived quantity. Ex ...