Class 7 > SCIENCE
2.2. Internet, Email, and Browser
4.4. Natural Resources
4.5. Importance of Natural Resources
4.6. Waterland and Watersheds
6.1. Force
6.3. Speed, Acceleration, and Velocity
6.12. Work
6.14. Power
7.2. Light, Sound, and Electrical Energy
7.3. Energy, Work, and Power - Mechanical Energy
7.4. Heat
7.5. Sound
8.2. Static electricity
8.3. Current electricity
9.1. Matter and Density of matter
9.2. Relative density, Sinking, and Floating
9.3. Element and Compound
9.4. Structure of atom, Subatomic Particles, Compound, Molecule
10.1. Acid
11.1. Rocks
11.2. Solar System
Energy, Work, and Power - Mechanical Energy
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