Solids, liquids and gases. In a solid like this brick, the particles are regularly arranged touching their neighbours and move only by vibrating. This explains why solids have a fixed shape. In a ...
Substances can exist in three states of matter - solid, liquid and gas. All substances are made from particles, and the forces between the particles are different in solids, liquids and gases. The ...
Everything around you - and even your body - is made up of the three phases of matter. Let's find out more. The whole world and everything we can see around us is made up of matter. Matter can be ...
Elisa Oviedo transforms water from liquid to solid. Elisa Oviedo and her niece change water from liquid to solid using a freezer. Then they heat water up on the stove until it turns into gas. Elisa ...
Grab a powerful magnifying glass and have a look at what's really going on in motley assortment of substances on a patio. Pick each substance, and magnify it right down to the atomic level so that you ...
Conduct investigations to identify characteristics of gases, and learn about the gases that make up our atmosphere. Explore features of solids, liquids, and gases while noticing that substances can ...
The change in temperature of a body causes expansion or contraction of that body. Most of the substances expand on heating and contract on cooling. This is called thermal expansion. It is interesting ...
Explore the intriguing world of materials in their semi-solid state, where substances display properties of both solids and liquids, and discover the science behind this mysterious state of matter.