unit 1 study crossword

4. this principle states that the deeper layers of rock or dirt hold older things
8. science = the ______ study of the natural world
9. this chart also known as the pie chart shows percents.
10. a scientific _______ is the why not the what and is constantly being replaced by other _______s
11. this variable is, the variable that changes based on the independent variable
14. first step of the scientific method
16. this type of test,compares the document to other information within the same document.
17. the ________________ of scientific data often depends on the scientists world view(point 3 of main things we learn about science from history)
20. this type of test, determines the time span between copies and the number of non contradicting copies.
21. a way of age testing, counting trees rings
23. a ________ is a vertical thing used in a data tables
25. ________ dating is not discovering the exact age but only if an object is older/younger than another

1. this variable is, the variable that is changed
2. drawing false _____________ contributes to wrong science
3. one of the ___________ of science is assuming science knows more than it actually does
5. 3rd step of the scientific method
6. science is not a means by which anything can be ______
7. one of the ____________ of science is science is not 100 percent settled
12. this type of test, compares the document to other documents that already passed the three tests or comparing to known archaelogical facts.
13. a way to record data using lots of pictures and little words
15. everything that will remain constant and is unchanging.
18. a ____ is the horizontal thing in a table
19. a _______ experiment in which information is kept from the participants to reduce bais
22. an educated guess
24. a scientific ____ is the what not the why