Yes, some materials can be scratched more easily than others due to differences in hardness. Softer materials, like plastic or wood, are more susceptible to scratches, while harder materials, like metal or glass, resist scratching better.
Tiwari Academy Discussion Latest Questions
Ghulan, Sheeta, and Sara chose their hiding spots based on visibility. Ghulan hid behind a wall for complete concealment, Sheeta used a big tree for cover and Sara relied on the frosted glass to obscure her outline.
No, Sheeta’s brother cannot see through a closed wooden window. Wood is an opaque material, preventing light from passing through. This means he cannot view Sheeta, Ghulan or Sara hiding outside.
Yes, water is transparent, allowing light to pass through easily. It can be made opaque by adding substances like milk, mud or paint, which scatter light and prevent visibility through the liquid.
Water is essential for our body’s functioning because it acts as a solvent, dissolving various substances like salts, sugars and nutrients. This property facilitates chemical reactions and nutrient transport, vital for maintaining health.
No, not everything you put in water disappears. Some substances dissolve completely, like salt and sugar, while others, such as sand or oil, do not dissolve and remain visible or separate from the water.
ORS, or Oral Rehydration Solution, is a simple mixture of water, salt, and sugar used to prevent and treat dehydration, especially caused by diarrhea or vomiting. It helps restore electrolyte balance in the body.
The level of water differs in two tumblers due to their shapes and sizes. A taller, narrower tumbler may contain less water than a shorter, wider one, even if both hold the same volume.
Yes, anything that possesses mass and volume is generally referred to as “matter.” Matter encompasses all physical substances, including solids, liquids, and gases, and is the foundation of everything we observe in the universe.
Mass is the amount of matter in an object, measured in kilograms or grams. Volume is the space occupied by that matter, measured in liters or cubic meters. Both properties are fundamental to understanding materials.