Grade 7 Science & TechnologySyllabus:1.
Ecosystems- Introduction to ecosystems
- Components of ecosystems (biotic and abiotic factors)
- Interactions within ecosystems (predator-prey relationships, symbiosis)
- Types of ecosystems (terrestrial, aquatic, etc.)
- Human impact on ecosystems
2.
Food Cycle- The importance of food and energy in ecosystems
- Food chains and food webs
- Producers, consumers, and decomposers
- Energy transfer in food chains
- Factors affecting the stability of food chains
3.
Natural Cycles- The water cycle
- The carbon cycle
- The nitrogen cycle
- The phosphorus cycle
- The importance of natural cycles in maintaining ecosystems
4.
Succession and Adaptation- Primary and secondary succession
- Pioneer species and climax communities
- Adaptations of organisms to their environment
- Natural selection and evolution
- Human impact on succession and adaptation
5.
Human Activity- The impact of human activities on the environment
- Pollution and its effects
- Conservation and sustainable practices
- Renewable and non-renewable resources
- Environmental stewardship
6.
Structures- Introduction to structures and their functions
- Natural and man-made structures
- Forces acting on structures
- Types of forces (compression, tension, shear)
- Design principles and structural stability
7.
Gravity and Stability- The concept of gravity and its effects
- Center of gravity and stability
- Factors affecting stability (base, height, weight distribution)
- Stability in structures and everyday objects
- Applications of stability in engineering and design
8.
Forces- Types of forces (gravitational, magnetic, electrostatic, friction)
- Newton's laws of motion
- Balanced and unbalanced forces
- Applications of forces in everyday life
- The role of forces in machines and technology
9.
Matter- Introduction to matter and its properties
- States of matter (solid, liquid, gas)
- Physical and chemical changes in matter
- Conservation of mass
- The particle theory of matter
10.
Pure and Impure Substances- Difference between pure substances and mixtures
- Elements and compounds
- Methods of separating mixtures (filtration, evaporation, distillation)
- Purity and impurity in substances
- Applications of pure substances in everyday life
11.
Solutions- Introduction to solutions and solubility
- Solutes and solvents
- Factors affecting solubility
- Concentration and dilution of solutions
- Applications of solutions in various industries
12.
Separating Mixtures- Methods of separating mixtures (sieving, magnetic separation, sedimentation, decantation)
- Chromatography and its applications
- Filtration and its applications
- Centrifugation and its applications
- Distillation and its applications
13.
Solutions, Mixtures, the Environment, and You- The role of solutions and mixtures in the environment
- Water pollution and treatment methods
- Air pollution and its effects
- Waste management and recycling
- Personal choices and their impact on the environment
14.
Heat and Volume- Introduction to heat and temperature
- Heat transfer methods (conduction, convection, radiation)
- Expansion and contraction of matter due to temperature changes
- Specific heat capacity and heat transfer calculations
- Applications of heat and temperature in everyday life
15.
Transmission of Heat- Insulators and conductors of heat
- Thermal conductivity and its measurement
- Heat transfer in solids, liquids, and gases
- Heat transfer in buildings and insulation
- Heat transfer in cooking and food preservation
16.
Greenhouse Effect- The greenhouse effect and global warming
- The role of greenhouse gases
- Climate change and its impacts
- Mitigation and adaptation strategies
- Individual and collective actions to reduce the greenhouse effect
By covering these topics, Grade 7 students will develop a strong foundation in science and technology, enabling them to understand the natural world and make informed decisions about their interactions with the environment.
This course is helpful for the following exams: Grade 7