Chemical reactions and catalysts. A chemical reaction involves a chemical change, which happens when two or more particles (which can be molecules, atoms or ions) interact. For example, when iron and oxygen react, they change to a new substance, iron oxide (rust).
It's important for parents to start weaning babies from bottles around the end of the first year and start getting them comfortable drinking from cups. The longer parents wait to start the transition, the more attached kids become to their bottles and the more difficult it can be to break the bottle habit.
2 3 Weaning means introducing a range of foods gradually until your baby is eating the same foods as the rest of your family. Until six months, your baby needs only breastmilk or infant formula milk.Around six months your baby needs more than milk alone and is able to eat solid foods in addition to breast or formula milk. The information in this leaï¬ et will help you wean your baby onto solid foods. 3 Weaning means introducing a range of foods gradually until your baby is eating the same foods as the rest of your family. Until six months, your baby needs only breastmilk or infant formula milk.