You have to push an object if you want to move it from one place to another. You have to apply a lot of force against the friction to make the object move. In case if wheels are used, there will be less friction, enabling you to ... Read More

Soluble solids are those solids ( solute ) that when mixed with the right liquid (solvent), form a solution. Hence, the soluble solids dissolve in the liquid (water, oil, kerosene, etc.). Eg: salt and water, sugar and water. Insoluble solids are those solids that do not dissolve in water. On ... Read More

The two main processes involved in making fabrics from yarns are knitting and weaving.• Weaving is a process of interlacing two different sets of yarns together to make a fabric. Looms are used for weaving, operated either by hand or using electricity.• Knitting is a process where fabric can be made from ... Read More

Given number is $\frac{-9}{-12}=\frac{9}{12}$.We have to find the additive inverse of the given solution.Additive Inverse: The number in the set of real numbers that when added to a given number will gives zero. This number is also known as the opposite, sign change, and negation.  So, the additive inverse of ... Read More

In a Celcius scale, the temperature range is 0 - 100 degrees. From centigrade to Fahrenheit conversion formula, the range of Fahrenheit can be given as ... Read More

Whole numbers are 0, 1, 2, 3, ...... and so on.You can also say that whole numbers include positive integers along with zero.Also decimal number or a fraction are not whole numbers.

Charcoal is formed by destructive distillation of solid organic matter.Charcoal is divided into three main types:-1. Wood charcoal. 2. Bone charcoal. 3. Sugar charcoal. Wood charcoal is a brittle, porous and bad conductor of heat and electricity. It is used as household fuel and a reducing agent.

The wind is moving air. It is nothing but a movement of gasses on a large scale. It is caused by differences between air pressures in the atmosphere. Air moves from high pressure to low pressure. The speed of wind depends on the difference between the pressures. ... Read More

Physical quantities: A physical quantity is the measurable property of an object or a system. Mass, time, speed, acceleration, temperature, force, pressure, power, energy, and, length are all physical quantities. Physical quantities are measured by comparing them with arbitrarily chosen internationally accepted standards called Units. Units are necessary to express ... Read More

Silk is a natural fibre that is made by the silkworm ‘Cocoon’. As it’s a strong fibre, it is mainly used in the textile industry. The production of silk and rearing of silkworms is called sericulture. It is known as ‘Resham’ in the northern part of India, and ‘Pattu’ in the ... Read More