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 ...

Although the three states of matter are solid, liquid, and gas, not all substances seem to fit perfectly into one of these groups. Take a look at the substance below and see if you can decide whether ...

Researchers report that the way a tissue's cells are arranged can serve as a fingerprint for the tissue's 'phase' -- whether it is more like a solid, liquid, or gas. For example, tumors that are more ...

Chemically, substances are classified into three types, solids, liquids and gases, but if it is said to classify a swinging fire as one of these three, you should be troubled by the answer. What on ...

In school, students are taught that matter is either solid, liquid, or gas. Now, physicists discover that atoms can actually exist as solid and liquid simultaneously. It turns out, when certain ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Nigel Pereira on two inventions that seem to be mind-boggling as they seem to change the natural state of the resource in question. With deforestation and the burning of fossil fuels now widely ...

Chromatography is a proven method used to separate complex samples into their constituents, and it is undisputedly the most important procedure for isolating and purifying chemicals. It is classified ...

Save guides, add subjects and pick up where you left off with your BBC account. The units of density depend on the units used for mass and volume. The most commonly used units are grams per cubic ...