Central Ideas in an Informational Text Answers

Read the passage from "Zero-Gravity Nutrition.”It has long been a challenge to decide on astronauts’ food. Astronauts don’t have the choice of foods that are on Earth. In early space travel, the solution was to put food in tubes. Tubed food probably sounds strange to you! Today, foods are chosen to travel and keep. For example, foods such as nuts and dried fruit can be eaten in space just as they are.

Read the passage from "Zero-Gravity Nutrition.”At the ISS (International Space Station), more than three hundred food items are on board. Among the choices are American, Russian, Japanese, and Canadian food. There is also a mix of European foods.

Read the passage from "Zero-Gravity Nutrition.”Weightlessness can be an adventure. In space, there is no gravity. What goes up does not come down. Without gravity, food floats.

Alice read "Zero-Gravity Nutrition.” She needs to add in the "What I Learned” column of her KWL chart some facts she learned from the text. She narrowed her choices to four sentences.1. How can a tiny crumb be an enemy?2. Tubed food probably sounds strange to you!3. In space, astronauts feast on thermostabilized foods like ravioli.4. Have you ever had a cold and could barely taste your food?

Review the KWL chart.Now read the passage from "Zero-Gravity Nutrition.”While weightlessness may be a thrill, it is a problem for eating. Food scientists design meals that won’t fall apart and float away. One solution is the food itself. Another solution is the package. Using less wrapping helps. Little packaging means less chance of something floating away and causing harm. It also means less waste to remove.Based on the passage, what is the best choice to enter in the "What I Learned” column of the KWL chart?