Chapter 21 Lesson 1-2 Crossword puzle

12345678910
Across
  1. 3. What is when a planets atmosphere traps solar energy and causes temperature to increase?
  2. 6. What is the time it takes for a planet to complete one rotation?
  3. 7. planets What are object that has less mass then objects in nearby orbit called?
  4. 9. what are the planets closest to the sun called?
  5. 10. What is called when planets are farthest from the sun and are made of gasses?
Down
  1. 1. What is the time it takes an object to travel once around the sun called?
  2. 2. What is made up of rocky and iron material for the inner plants?
  3. 4. What is a object is made of gas dust and ice and moves around the sun in an oval shaped orbit called?
  4. 5. What is an object that rotates around planets called?
  5. 8. What are millions of small rocky objects that orbit the sun in the asteroid belt between the orbit of mars and Jupiter called.