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Teachers Manual Rebecca W. Keller, PhD

Cover design David Keller Opening page David Keller, Rebecca W. Keller, PhD Illustrations Rebecca W. Keller, PhD Copyright 2013 Gravitas Publications, Inc. All rights reserved. No part of this public

FOCUS ON MIDDLE SCHOOL PHYSICS TEACHERS MANUAL Introduction iii A Note From the Author This curriculum is designed to give students both solid science information and handson experimentation. The mi

iv FOCUS ON MIDDLE SCHOOL PHYSICS TEACHERS MANUAL Introduction How To Use This Manual Each chapter in this Focus On Middle School Physics Teachers Manual begins by providing additional information f

FOCUS ON MIDDLE SCHOOL PHYSICS TEACHERS MANUAL Introduction v Laboratory Safety Most of these experiments use household items. Extra care should be taken while working with all materials in this ser

vi FOCUS ON MIDDLE SCHOOL PHYSICS TEACHERS MANUAL Introduction Materials at a Glance Experiment 1 Experiment 2 tennis ball yarn or string 3 meters 10 ft paper clip marble Optional awl, penknife, or

FOCUS ON MIDDLE SCHOOL PHYSICS TEACHERS MANUAL Introduction vii Materials at a Glance By type with total quantities Equipment battery, 6v or larger up to 12v flashlight laser pointer light bulb, sma

viii FOCUS ON MIDDLE SCHOOL PHYSICS TEACHERS MANUAL Introduction

Contents CHAPTER 1 Experiment 1 Its the Law Review WHAT IS PHYSICS 7 11 1 CHAPTER 2 FORCE, ENERGY, AND WORK Experiment 2 Fruit Works Review CHAPTER 3 POTENTIAL AND KINETIC ENERGY Experiment 3 Smashe

x x FOCUS ON MIDDLE SCHOOL PHYSICS TEACHERS MANUAL Introduction

Chapter 1 What Is Physics Overall Objectives 1.1 Introduction 1.2 The Basic Laws of Physics 1.3 How We Get Laws 1.4 The Scientific Method 1.5 Summary Experiment 1 Its the Law Review 2 2 2 2 3 6 7 11

2 FOCUS ON MIDDLE SCHOOL PHYSICS Teachers Manual Overall Objectives This chapter will introduce students to a fundamental concept in physics called physical laws. The students will also examine the

CHAPTER 1 What Is Physics 3 states because the governments of the states have different ideas about what the speed limit should be. Explain that governmental laws are laws we make ourselves and, bec

4 FOCUS ON MIDDLE SCHOOL PHYSICS Teachers Manual Have the students turn these observations into questions Why is salt poured on icy roads when it snows Why are lemons sour but oranges sweet Wh

CHAPTER 1 What Is Physics 5 hypothesis is correct, and when scientists formulate a hypothesis, they do not already know the correct answers. A scientist is making an educated guess. The next step in

6 FOCUS ON MIDDLE SCHOOL PHYSICS Teachers Manual looks similar to evaporated sugar water, then it wont be easy to tell if the residue from the lemon juice is sugar or salt. Some other test is needed

CHAPTER 1 What Is Physics 7 Experiment 1 Its the Law Objective Hypothesis Date In this experiment we will use the scientific method to determine Newtons First Law of Motion. In this experiment th

8 FOCUS ON MIDDLE SCHOOL PHYSICS Teachers Manual By attaching a tennis ball to one end of a long string, the students will be able to observe a difference in how the ball will travel once it is thro

CHAPTER 1 What Is Physics 9 Holding onto one end of the string, again throw the ball into the air as far as you can. Note how the ball travels and, in the space below, record what you see. Do this

10 FOCUS ON MIDDLE SCHOOL PHYSICS Teachers Manual Have the students compare the marble traveling on a smooth surface with one rolling on a rough surface. Discuss with the students why they think the

CHAPTER 1 What Is Physics 11 Conclusions Draw some conclusions about your results and record them below. Review Define the following physics the study of how things move and behave in nature phys

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