Across
- 5. What is the mesurement taken to find the ages of planets?
- 6. What do the raisins in the raisin bread model represent?
- 7. What is the theory that the universe exploded into many pieces matter?
- 8. What does it mean when matter in the universe is part of a larger system?
Down
- 1. What is the name of the planets that go around our sun?
- 2. What is the term used to discribe what is happening to the universe over time?
- 3. What is the energy that was left after the big bang?
- 4. What is the term used to describe the origin of the universe?