4. a)Group of people who manage something b)Children in a classroom

5. What is are stamps? a)Small sticky papers which a teachers puts on students’ good work b)Small sticky papers used for mailing letters or packages

6. More Than a Hobby? Use vocabulary words to fill in the blanks. It starts out as a hobby. As a child, you collect 1. ______ or toy cars or rocks. At first, collecting is an activity you do in your 2. _____ time or after doing your 3. _____. Perhaps you collect a few rocks here and a few rocks there. Then one day you realize that the shelves in your room are bulging with rocks. So you move them to the basement or 4. _____ where there is more space. As you get older, you learn more about rocks, and you talk with other rock collectors. You begin to think, “Maybe this isn’t just a hobby. Could it be a business?”

7. Use vocabulary words to fill in the blanks. More Than a Hobby So you open a rock shop. Every rock in the shop is 5. _______, telling all about it and how much it costs. This really impresses your very first 6.________, so he buys several rocks. You are on your way. Over time, your small business grows. The director of the museum is interested in talking to you about your rocks. He is so impressed with your knowledge of rocks and minerals that he asks you to join the 7. __________ who decides which rocks to display at the museum, and just think, all of this started from a hobby!