A solution or a mixture? Here is what you need to remember so that you don’t get confused! Mixtures A mixture is made when two or more substances are combined, but they are not combined chemically. General properties of a mixture: The components of a mixture can be easily separated The components each keep their original properties The proportion of…
Science you can do at home! After special requests from my pupils, here are some more fun investigations you can try out at home… Lemon volcano Soda can jump Travelling water rainbow travelling water Take some into school to show the class! Everyone will be amazed! Till next time… Images downloaded from the…
REVERSIBLE CHANGES In a previous post, ‘What’s the matter?’, we discussed the three states of matter and how matter can change from one state to another by heating and cooling it. Changes between the states of matter can also happen by mixing. Mixing Let’s take salt as an example. If we mix salt (solid) with water (liquid) we will get a…
Everything around us is made of matter. Matter is made up of particles and depending on how these particles are arranged, it exists in three states: solid, liquid and gas. In solids, the particles are very close to one another and they have a strong force of attraction between them. As a result, solids have a definite shape and volume.…
