Students will understand the following:
1. For preservation of food and space-saving storage, astronauts on space missions eat dehydrated foods.
2. Dehydration means “removal of water.”
3. Dehydrated foods can be consumed by mixing the food with saliva from the eater’s mouth or by adding water.
# At some time in the future, there likely will be cities in space.
# The first of these cities will probably be lunar based, Mars based, or space based (orbiting Earth).
Teach your students about the American Flag, including its history, what the symbols represent, and the proper way to display it. Discuss how the American Flag has played a part in recent events. Then choose one or more of the American Flag activities for wearing, sharing, or displaying.
After completing the lessons in this unit, students will be able to:
* Tell what a symbol is and give examples of a symbol, such as the American flag.
Students investigate the facts behind the story of Betsy Ross.