Explain that when substances are mixed and a new substance is formed, a chemical reaction has occurred. Demonstrate the production of a precipitate using magnesium sulfate (Epsom salt) and sodium ...

These elements, which are the constituents of immense seas and form the basis of life ... cannot be without influence on the discovery of new substances. The first electrolytic decompositions ...

View the video below to see what you and your students will do in this lesson. Because substances are made up of different atoms and molecules, they react in characteristic ways. Production of a gas, ...

Chemical reactions can be represented using equations. Compounds are chemical substances ... into new compound molecules. For example, if carbon atoms react with oxygen atoms they form carbon ...

Independent of the addictive process, problems can also develop from the taking of any chemical substance ... a form of dementia. It is marked by hallucinations and other signs of psychosis ...

Molecules against the surface are heated, move away, and are replaced by new molecules which are also heated. The rate of convective heat loss depends on the density of the moving substance ...

A team of international researchers including those from the University of Adelaide have taken a well-known chemical reaction as the basis of a new generation of targeted pain relief medication.

Aren’t caused by medications or other substances. Are changing in ... this can make a big difference. They can form friendships and learn new things that help build their self-esteem.

Complex carbon-based molecules crucial to life on Earth originated somewhere in space, but we didn't know where. Now, huge amounts of them have been spotted in a huge, cold cloud of gas ...

It is almost four years since the Perseverance Rover landed on Mars and it has found a rock that could hold life signs.

When introducing vegetables to your dog’s diet, start with small portions to observe its reaction ... Lastly, incorporate new vegetables into your dog’s diet gradually, and closely monitor for any ...