1. Vocabulary Poster Think, Pair, Share Focus Question: How can we be open to new understandings?

2. Vocabulary Words to Know aliens aliens barge barge hospitable hospitable molten molten ore refrain universal version Focus Question: How can we be open to new understandings?

3. Poster Talk Through Think, Pair, Share Humans have a universal ambition to explore space. Mars is one planet in which we are very interested. Though we have not found aliens, or living beings, on Mars, there are many other reasons to study it. Though it isn’t a very hospitable planet now, some scientists believe that long ago there may have been a version of life on Mars. The largest volcano in our solar system is on Mars, Scientists want to know whether Mars has a molten or liquid, core. The possibility of mining valuable minerals and ore is another reason for interest in Mars. In the future, there could be trips to extract these minerals. The minerals would have to be brought back to Earth in a special ship. The ship would be a kind of space barge. However, scientists will refrain from taking too much away from Mars.

4. aliens imaginary creatures from outer space.

5. barge a large, strongly-built boat or ship for carrying freight or waste

6. hospitable friendly, receptive

7. molten made liquid by heat, melted

8. ore rock containing enough of a metal or metals to make mining profitable

9. refrain to keep yourself from doing something

10. universal existing everywhere, for all purposes

11. version A special form or variant of something

12. Comprehension Skill Draw Conclusions When you draw conclusions, you form reasonable opinions about what you have read. Use what you know about real life to help you draw conclusions. Be sure that there are enough facts or information in the text to support your conclusions.