passwords science vocabulary letter H Author:Curriculum associates Mitochondria. Hydrosphere. Amplitude. Sometimes it seems that scientists speak a language all their own. Passwords:science vocabulary will help you lern the words you need to do well in science. The lessons in this book are about science topics you will be studying. Those topics come from Life Science, Earth Science, and Physical Science. Every ... more »lesson focuses on ten words that will help you understand the science topic. The lessons include a reading selection that uses all the words. Four practice activities follow the selection. Using each vocabulary word many times will help you remember the word and its meaning. A writing activity ends the lesson. You will use the words you have learned to write a description, an informational article and an eyewitness account. If you need help with a vocabulary word as you do the activities, use the glossary at the back of the book. The glossary defines each word and shows you the correct way to pronounce the word. It also has pictures to help you understand the meaning of difficult words. As you work on the lessons you may learn other science words besides the vocbulary words. Keep track of those other words in My science vocabulary.« less