Topics
Living World and Classification of Microbes
Health and Diseases
Force and Pressure
- Force
- Types of Force: Contact Force
- Types of Force: Non-Contact Force
- Balanced and Unbalanced Forces
- Inertia and Mass
- Types of Inertia
- Thrust and Pressure
- Pressure on Solids
- Pressure of liquid
- Gas Pressure
- Atmospheric Pressure
- Buoyancy Force (Upthrust Force)
- Archimedes Principle
- Density of substance and Relative density
Current Electricity and Magnetism
Inside the Atom
Composition of Matter
- Matter (Substance)
- Characteristics of Particles (Molecules) of Matter
- States of Matter
- The Solid State
- The Liquid State
- The Gaseous State
- Elements
- Types of Element: Metals
- Types of Element: Non-metal
- Type of Element: Metalloid
- Compound
- Types of Compound
- Mixture
- Types of Mixtures
- Solution
- Suspension Solution
- Colloidal Solution
- Molecular Formula of Compounds
- Valency
Metals and Nonmetals
- Types of Element: Metals
- Physical Properties of Metals
- Chemical Properties of Metal
- Types of Element: Non-metal
- Physical Properties of Non-metal
- Types of Element: Non-metal
- Chemical Properties of Non-metal
- Type of Element: Metalloid
- Uses of metals and nonmetals
- Nobel Metal
- Purity of Gold
- Corrosion of Metals
- Alloy
Pollution
- Pollution and Its Types
- Air Pollution and Its Causes
- Effects of Air Pollution
- Prevention of Air Pollution
- Water Pollution and Its Causes
- Effects of Water Pollution
- Prevention of Water Pollution
- Soil Pollution and its Causes
- Effects of Soil Pollution
- Prevention of Soil Pollution
- Relationship of Soil Pollution with Air and Water Pollution
- Laws for Control, Regulation, and Prevention of Pollution by Indian Government
Disaster Management
Cell and Cell Organelles
- Cell: Structural and Functional Unit of Life
- Prokaryotic and Eukaryotic Cell
- Plant Cell and Animal Cell
- Structure of the Cell
- Cell Wall - “Supporter and Protector”
- Plasma Membrane
- Cytoplasm - “Area of Movement”
- Nucleus - “Brain” of the Cell
- Endoplasmic Reticulum (ER)
- Golgi Apparatus - "The delivery system of the cell"
- Lysosome - “Suicidal Bag”
- Mitochondria - “Power House of the Cell”
- Plastids
- Non-living Substances Or Cell Inclusion
Human Body and Organ System
- Human Body
- Human Organ System
- Mechanism of respiration-Breathing
- Human Respiratory System
- Blood Circulatory System in Human
- Human Heart
- Blood Vessels
- Circulation of Blood in the Heart (Functioning of Heart)
- Heart Beat - Heart Sounds "LUBB" and "DUP"
- Blood
- Composition of Blood: Plasma (The Liquid Portion of Blood)
- Composition of Blood: Red Blood Cells (Erythrocytes)
- Composition of Blood: White Blood Cells (Leukocytes)
- Composition of Blood: Blood Platelets (Thrombocytes)
- Functions of Blood
- Blood Transfusion and Blood Groups (ABO and Rh system)
- Blood Pressure (B.P.)
- Heart Related Conditions
Introduction to Acid and Base
Chemical Change and Chemical Bond
Measurement and Effects of Heat
Sound
Reflection of Light
Man Made Materials
Ecosystems
Life Cycle of Stars
- Degradable vs. Non-Degradable Materials
- Impact of Plastic on the Environment
- Measures to Reduce Plastic Pollution
Degradable vs. Non-Degradable Materials
Plastics are non-degradable materials, meaning they do not break down naturally in the environment. As a result, plastic waste accumulates over time, causing significant harm to ecosystems and wildlife.
1. Degradable Materials: These materials break down naturally in the environment within a relatively short period.
For Examples,
- Vegetables: Degrade in 1–2 weeks.
- Cotton Cloth: Takes about 1 year to degrade.
- Wood: Degrades in 10–15 years.
2. Non-Degradable Materials: These materials do not decompose naturally, persisting for thousands of years.
For Example,
- Plastic: Takes thousands of years to degrade, remaining in the environment and causing pollution.
Impact of Plastic on the Environment:
- Plastics accumulate in landfills, oceans, and waterways, polluting soil and water.
- Animals often ingest plastic waste, mistaking it for food, which can lead to fatal consequences.
- Plastics release toxic chemicals that harm soil and water ecosystems.
- Microplastics formed from plastic breakdown contaminate food chains and water supplies.
- Plastic pollution disrupts marine and terrestrial habitats.
- Non-degradable plastics persist for thousands of years, causing long-term damage.
- Burning plastics releases harmful gases, contributing to air pollution.
- Plastic debris clogs drainage systems, leading to waterlogging and urban flooding.
- Impacts human health through contaminated food and water sources.
- Plastics reduce soil fertility by preventing water absorption and air circulation.
Measures to Reduce Plastic Pollution:
1. Replace plastic with degradable alternatives like jute, cloth, and paper bags.
2. Use biodegradable utensils, straws, and packaging materials.
3. Follow the 4R Principle:
- Reduce plastic use, especially single-use items like bottles and bags.
- Reuse plastic items multiple times to extend their lifespan.
- Recycle plastic waste into new products to reduce demand for fresh plastic.
- Recover energy or materials from plastic waste through advanced technologies.
4. Educate people on the dangers of plastic and promote sustainable alternatives.
5. Enforce bans on single-use plastics through government regulations.
6. Promote industries that develop biodegradable and eco-friendly materials.
7. Invest in innovative solutions like compostable plastics and advanced recycling methods.