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 * 1) **Textbook On-line Resource**
 * 2) **Vocabulary help**
 * 3) **Practice Questions**
 * 4) **Hints for finding answers to questions**
 * 5) **Video resources**
 * 6) **Diagrams with explanations**
 * 7) **How to sample problems solved step-by-step**
 * 8) **Youtube & Teachertube History**
 * 9) **Yale University**
 * 10) History Teacher on Youtube
 * 11) BBC horrible history
 * 12) You Tube for Schools
 * 1) Youtube & Teachertube Chemistry
 * 2) Interactive Periodic Table
 * 3) PhET Interactive Simulations from U of Colorado