Matter 1.1 Physical Nature of Matter 1.1.1 Matter is Made Up of Particles SI Units: 1.1.2 How Small Are These Particles of Matter? Key Points Characteristics of Particles of Matter 1.2.1 Particles of Matter Have Space Between Them 1.2.2 Particles…
Production of Sound Introduction to Sound Production of Sound Conclusion Propagation of Sound How Sound Travels Air as a Medium Key Points to Remember Sound Waves are Longitudinal Waves Longitudinal Waves Transverse Waves Summary Characteristics of a Sound Wave Key…
Work Introduction Work What is Work? Not Much ‘Work’ Despite Working Hard Scientific Conception of Work Work Done by a Constant Force How is Work Defined in Science? Key Points Examples Example 10.2 Energy Introduction Understanding Energy How Energy Works…
Gravitation Introduction to Gravitation Newton’s Apple and Gravitation Universal Law of Gravitation Importance of the Universal Law of Gravitation Additional Notes By understanding these principles, we can see how gravity affects everything from falling apples to orbiting planets! Free Fall…
Balanced and Unbalanced Forces Understanding Motion Historical Perspectives What is Force? Examples of Force Balanced and Unbalanced Forces Balanced Forces Unbalanced Forces Friction and Movement Riding a Bicycle Key Points to Remember Keep these points in mind to understand how…
Understanding Motion Perceiving Motion: Earth’s Motion: Relative Motion: Types of Motion: Activities and Discussions Think and Act: Describing Motion Reference Point: Motion Along a Straight Line Distance and Displacement: Example Breakdown: Key Points: Activities Uniform and Non-Uniform Motion Uniform Motion:…
Structure of the Atom In Chapter 3, we learned that atoms and molecules are the basic building blocks of matter. Different kinds of matter exist because they are made up of different atoms. Now, let’s explore: We’ll discover answers to…
Laws of Chemical Combination Ancient Philosophers’ Ideas Laws of Chemical Combination 1. Law of Conservation of Mass 2. Law of Constant Proportions Dalton’s Atomic Theory Fun Fact What is an Atom? Building Blocks of Matter Size of Atoms Atomic Radius…
What is a Mixture? What Does “Pure” Mean? Most Matter Around Us What is a Mixture? Types of Mixtures a. Homogeneous Mixtures (Solutions) b. Heterogeneous Mixtures More to Know: Alloys What is a Solution? Definition Components of a Solution Examples…
Improvement in Crop Yields Why Do We Need to Improve Food Production? Past Successes Challenges Solutions Improvement in Crop Yields Types of Crops Growth Conditions Crop Seasons Increase in Production Key Activities for Improvement A. CROP VARIETY IMPROVEMENT Why Improve…
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