A video showing the reactivity of Group 2 metals with cold water.
Discusses the properties of alkaline and alkaline earth metals and compounds.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Find out how a strontium clock keeps time, why it is extremely accurate, and why such accurate time keeping is important.
Learn how fireworks work, including their components, how and why they explode, and what produces their different colors.