🎮 Interactive Games
🔍 Daily Substance Detective
Identify substances from their descriptions and uses!
🍳 Kitchen Chemistry Sorter
Sort kitchen substances by their properties!
📱 How to play: Tap a substance to select it (it will glow blue), then tap a category box to place it there!
🍋 ACIDIC
🧼 BASIC
💧 NEUTRAL
Kitchen Substances to Sort:
🏠 Household Material Matcher
Match household items with their main materials!
Household Items:
Materials:
📚 Concept Notes
🏠 What are Substances in Daily Use?
Substances in daily use are materials we encounter and use in our everyday life. These include food items, cleaning agents, medicines, cosmetics, and household materials.
Categories of Daily Substances:
- Food and beverages
- Cleaning and washing materials
- Personal care products
- Medicines and health products
- Construction and household materials
- Fuels and energy sources
🍳 Kitchen Chemistry
🍋 Acidic Substances
- • Lemon juice (Citric acid)
- • Vinegar (Acetic acid)
- • Tamarind
- • Tomatoes
- • Curd/Yogurt
Taste sour, turn blue litmus red
🧼 Basic Substances
- • Baking soda
- • Soap
- • Washing powder
- • Antacid tablets
- • Lime water
Taste bitter, turn red litmus blue
💧 Neutral Substances
- • Pure water
- • Salt solution
- • Sugar solution
- • Milk (nearly neutral)
- • Distilled water
No effect on litmus paper
🧴 Cleaning Agents
Soaps
Made from natural fats and oils
Work best in soft water
Detergents
Synthetic cleaning agents
Work in both hard and soft water
Disinfectants
Kill germs and bacteria
Examples: Phenyl, Dettol
Bleaching Agents
Remove stains and whiten clothes
Example: Chlorine bleach
Abrasives
Remove tough stains by scrubbing
Examples: Scrubbing powder, steel wool
Natural Cleaners
Eco-friendly alternatives
Examples: Lemon, baking soda, vinegar
💊 Medicines and Health Products
Types of Medicines
- • Antibiotics: Fight bacterial infections
- • Antiseptics: Prevent infection in wounds
- • Analgesics: Relieve pain (painkillers)
- • Antacids: Neutralize stomach acid
- • Vitamins: Supplement nutrition
Safety Guidelines
- • Always check expiry dates
- • Follow prescribed dosage
- • Store in cool, dry places
- • Keep away from children
- • Don't share prescription medicines
- • Dispose of expired medicines safely
🏗️ Construction and Household Materials
Metals
- • Iron: Construction, tools
- • Aluminum: Utensils, foils
- • Copper: Wires, pipes
- • Steel: Buildings, vehicles
Non-metals
- • Plastic: Containers, bags
- • Glass: Windows, bottles
- • Rubber: Tires, gloves
- • Wood: Furniture, paper
Ceramics
- • Clay: Pots, tiles
- • Porcelain: Fine dishes
- • Cement: Construction
- • Brick: Building walls
🃏 Study Flashcards
Tap on cards to flip them and test your knowledge!
⚗️ Interactive Activities
🏠 Virtual Home Laboratory
Test household substances with virtual indicators!
Select a Substance to Test:
Choose Test Method:
Test Results:
Select a substance and test method to see results!
🔍 Household Material Explorer
Explore different rooms and discover materials used in each!
Click on a room to explore the materials found there!
📝 Learning Worksheets
📖 Knowledge & Understanding Worksheet
Test your basic knowledge about daily substances (Bloom's: Remember & Understand)
1. Fill in the blanks:
Substances that taste sour and turn blue litmus paper red are called _______.
_______ is a natural indicator that turns red in acidic solutions.
Soap is made from _______ and oils through a process called saponification.
2. Multiple Choice:
Which of these is a basic substance commonly found in kitchens?
What is the main advantage of detergents over soaps?
Which material is best for making cooking utensils?
🔬 Analysis & Application Worksheet
Apply your knowledge to solve real-world problems (Bloom's: Apply & Analyze)
Case Study Analysis:
Priya's mother asked her to clean different stains from clothes: oil stains, ink stains, and rust stains. She has access to lemon juice, detergent, baking soda, and bleach. Help Priya choose the right cleaning agent for each stain and explain why.
Problem Solving:
4. Rank these materials by their suitability for food storage (1 = best, 4 = worst):