Students explore the concept that chemical reactions involve the breaking of bonds between atoms in the reactants, and the rearrangement and rebonding of these atoms to make the products. Students ...

The speed of a chemical reaction is affected by temperature, concentration, particle size and the presence of a catalyst. It can be calculated by measuring changes in reactants/products.

Can be used to recap on tritation or could lead into a classroom discussion on chemical changes and structures.

The lesson can also be used to lay a foundation for learning about changes in state and chemical changes which can be further developed in later grades. If water is cooled enough it can change to ice.

Dr. James J. Downs, of Eastman Chemical, joins as Topical Editor for the Process Systems Engineering section. Jim brings a huge wealth of experience gained in over 40 years of working across many ...

The White House announced a new executive order signed by President Trump on Tuesday to "protect[] children from chemical and surgical mutilation." ...

A new study explores how complex chemical mixtures change under shifting environmental conditions, shedding light on the prebiotic processes that may have led to life. By exposing organic molecules to ...

An effort is underway to convince Georgia’s Environmental Protection Division that changes to a chemical plant’s permit will worsen Augusta's air.