Today we discussed crystalline structure and explored different ways molecules can order themselves to create different geometric forms.
For homework this week:
Read pages 62 - 66
Answer the following questions.
1. What is a mineral?
2. What are some things that are made of minerals?
3. What are four characteristics all minerals have in common?
4. Approximately how many minerals are found on Earth?
5. What does the word "crystalline" mean?
6. Why isn't opal a mineral?
7. What are three different types of shapes a crystal can form?
8. What is magma?
9. When you created your structures in class using spheres and toothpicks, what shapes did you make? (Use page 64 to answer this question.)
10. How did the Cheerios in water demonstration show crystalline structure?
11. Fill in the blank: If you get molecules or atoms cold enough or put a lot of pressure on them they will form a ______________.
12. Why do people put salt on roads to prevent ice?
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