Seventh graders explore the history and basic principles of chemistry. They conduct experiments and observe demonstrations on ionic and covalent bonding, oxidation, reduction reactions, and acid/base identification.
7th Science 10 Views 136 Downloads
Chemistry Revision Themes: Quick Crosswords
A collection of 16 different chemistry crosswords provides variety in the ways that your class reviews chemistry vocabulary and concepts. Because the topics for each range from the introductory periodic table of elements to the complex...
6th - 12th Science
Science Puzzlers, Twisters, and Teasers: Chemical Bonding
What a cute approach to chemical bonding! Atoms all have human names and are attending at a dance. Who will pair up with whom? By reading the characteristics, and not the element name, chemistry whizzes figure out the bonding pairs....
7th - 10th Science
Convalent Networks, Metallic, and Ionic Crystals
If you've ever wondered why crystals are so strong and hard, Sal does a fine job of explaining, in chemistry terms, why this is so. Crystals are great examples of covalent networks; which are the strongest and hardest substances in the...
9 mins 7th - 10th Science