Across
- 5. find the size or length of something
- 7. find something new
- 8. study to learn more
- 11. not physical or touchable
- 16. measure how heavy something is
- 17. a large area full of trees
- 21. official approval or honor
- 25. people born around the same time
- 26. a person who studies science
- 27. something passed down from the past
- 29. the natural home of an animal
- 30. after give someone’s name to something
Down
- 1. look at similarities or differences
- 2. a group of living things of the same kind
- 3. not often found
- 4. a very high piece of land
- 6. the study of space and stars
- 9. weighing more than others
- 10. the way of life of a group of people
- 12. very large
- 13. things that remain after something is made
- 14. a scientist who studies space
- 15. part of a tree that grows out
- 18. the yearly memory of an event
- 19. system the sun and the planets around it
- 20. using the internet
- 22. a small animal with six legs
- 23. keep information about something
- 24. help given to something important
- 28. to find difficult to see or discover