Red displays come from Lithium, Rubidium and Strontium. These metals give different intensities in color and some even play other roles. Lithium and Rubidium are metals in group one of the periodic table. Lithium gives a medium red color and is most useful, for this purpose in its carbonate form. Rubidium on the other hand gives a deep red/ violet-red flame and is also used to oxidize the mixtures in these explosives; without oxidation, they will not burn properly. Strontium burns with an intense red but it also has the job of stabilizing the elements used to make the fireworks.
Even after half-a-century of Indian Independence, the fate of education, educators and students has hardly improved. The apathy of the power that be, including a large section of society, has not changed when it comes to human resource development and education. Even now there are more than four crore educated unemployed.
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Educational toys are fun for babies and provide another tool to stimulate learning and brain development in your infant. There are many ways to teach a child and tens of thousands of educational toys on the market to help parents in the endeavor. The challenge for parents, child care providers and educators is to choose from the vast array of educational toys available in a way that creates a balance of learning techniques, is age appropriate, and most of all fun. This article will provide basic facts about; how babies learn, types of educational toys available and examples of each.
How Babies Learn It is quite surprising the rate at which babies learn and develop. Learning begins in the womb and continues throughout childhood. In early life how a child learns centers largely around the relationship with the parents. At least until the child starts preschool, the job of stimulating and satisfying babys desire to learn falls primarily to the parents. While babies respond to their parents voice there are many other sounds they find interesting. When parents are choosing educational toys for babies they should look for toys that have sound, colors that are bright and contrasted like red, black and white, and have interesting textures that babies like to touch.
3 to 6 Months: During this stage your baby will gain better head control and have better movement of arms and legs. They generally grip onto anything they can get their hands on and put it directly into their mouth. Educational toys like rattles promote motor development and provide sensory stimulation. Since everything ends up in the mouth, educational toys that are chewable or soft plush are favorites. Babies need to experience different textures so vary the materials educational toys are made of. Activity centers provide lots of stimulation at this age. These educational toys normally have lots of buttons that produce sounds, lights, and give a variety of textures to explore. Hand-eye coordination will improve as babies explore the activity center. Parents are often on the move more with babies at this age. Activity bars that fit across a stroller, car seat, or bouncy chair that have dangling, squeaky toys and mirrors keep baby stimulated while on the move. Motor skills develop as baby reaches, hits, pulls, and kicks at the accessories on these educational toys.