Yes, animals undergo noticeable growth over time. For example, caterpillars transform into butterflies through metamorphosis, and puppies grow into adult dogs. Observing these changes reveals how animals develop physically and behaviorally throughout their life cycles, similar to plants.
Tiwari Academy Discussion Latest Questions
Yes, stagnant water is directly related to mosquitoes laying eggs. Mosquitoes lay their eggs in standing water, which provides a suitable environment for the eggs to hatch into larvae. This water is essential for the development of mosquito larvae and ...
Temperature is measured using thermometers, which can be liquid-in-glass, digital, or infrared. These devices detect temperature by measuring changes in a substance, such as mercury or alcohol, or using sensors.
The common units of temperature are degrees Celsius (°C), degrees Fahrenheit (°F), and Kelvin (K).
Hardness determines a material’s resistance to scratches, dents, and wear. Hard materials like metal are used for tools and construction, while softer materials are used where flexibility or comfort is needed.
Non-biodegradable materials, like plastic, do not break down easily and accumulate in the environment. They contribute to pollution, harm wildlife, and create long-lasting waste problems, posing a significant environmental challenge.
Biodegradable materials are those that can be broken down by natural processes, like wood, cotton, and paper. They decompose into harmless substances, reducing environmental impact and contributing to sustainability.
Cotton is a natural, breathable material that is soft and comfortable. It absorbs moisture well, making it ideal for clothing. Cotton is also biodegradable and renewable, making it an environmentally friendly choice.
Glass is used for windows, bottles, and decorative items due to its transparency and smooth surface. It is also resistant to water and chemicals, making it suitable for laboratory equipment.
Materials are selected based on their properties, such as strength, flexibility, or durability. For example, metal is chosen for tools due to its strength, while plastic is used for containers because it is lightweight.