Nutrition in Plants
Nutrition in Animals
- Different Ways of Taking Food
- The Digestive System in Human
- The Mouth and Buccal Cavity
- The Teeth and Its Structure
- The Salivary Glands
- The Food Pipe/Oesophagus
- The Stomach
- The Small Intestine
- Absorption of Food
- The Large Intestine
- Assimilation of Food
- Digestion in Grass-eating Animal
- Feeding and Digestion in Amoeba
Fibre to Fabric
Acids, Bases and Salts
Physical and Chemical Changes
Weather, Climate and Adaptations of Animals to Climate
Wind Storms and Cyclones
Respiration in Organisms
Transportation in Animals and Plants
- Composition of Blood: Red Blood Cells (Erythrocytes)
- Composition of Blood: White Blood Cells (Leukocytes)
- Composition of Blood: Blood Platelets (Thrombocytes)
- Blood Vessels – Arteries, Veins, and Capillaries
- Heart Beat and Pulse
- Blood Circulatory System
- Human Heart - Chambers of the Heart, Septum Or Grooves of Heart
- Blood Vessels Entering and Leaving the Heart - Arteries and Veins of the Heart
- Valves of Heart
- Excretion: Substances to Be Eliminated
- The Excretory System
- Transportation of Water and Food in Plants
- Water and Mineral Absorption by Root
- Complex Permanent Tissues
- Complex Permanent Tissue: Phloem Structure and Function
- Complex Permanent Tissue: Xylem Structure and Function
Reproduction in Plants
Motion and Time
Electric Current and Its Effects
Water: A Precious Resource
Forests: Our Lifeline
Razia conducted an experiment in the field related to the rate of percolation. She observed that it took 40 min for 200 mL of water to percolate through the soil sample. Calculate the rate of percolation.
Solve the following crossword puzzle with the clues given:
2. Plantation prevents it.
5. Use should be banned to avoid soil pollution.
6. Type of soil used for making pottery.
7. Living organism in the soil.
1. In desert soil erosion occurs through.
3. Clay and loam are suitable for cereals like.
4. This type of soil can hold very little water.
5. Collective name for layers of soil.