Show your chemistry class that there's much more to covalent bonding than sharing electrons! Pupils manipulate atoms of hydrogen, oxygen, and carbon to observe the energy of bond formation using a well-rounded interactive. The resource...

Discover how much your young scientists know about biotic and abiotic factors with a two-question formative assessment that requires them to observe, list, and describe. 

An article about the water cycle and the role that water plays in cloud formation.