Across
- 2. it to the required degree of accuracy,
- 5. an experiment or observation designed to minimize the effects of variables
- 7. typically a large body of matter with no definite shape
- 10. science which deals with celestial objects, space, and the physical universe as a whole.
- 12. science concerned with the nature and properties of matter and energy.
- 16. science that deals with the earth's physical structure and substance
- 18. an aspect of the natural world and universe that has been repeatedly tested
- 19. the fact of being exact and accurate
- 22. a variable that is constant and unchanged throughout experiments
- 23. from the first nonzero digit.
- 24. a way of expressing numbers that large or too small
- 25. study of living organisms
- 26. degree of consistency measured by the quantity of mass per unit of volume
Down
- 1. the action or process of observing something or someone carefully or in order to gain information.
- 3. the measurement or extent of something from end to end
- 4. the physical and natural world through observation and experiment.
- 6. a quantity expressed in one set of units into an equivalent expressed in another
- 8. a method of procedure observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
- 9. variables that cause something to change
- 11. each of the digits of a number that are used to
- 12. relating to the body as opposed to the mind.
- 13. the quality or state of being precise
- 14. a physical demonstration of an experiment as a learning aid
- 15. proposed explanation made on the basis of limited evidence as a starting point for further investigation.
- 17. the amount of space that a substance or object occupies
- 20. identification of the substances of which matter is composed
- 21. statement based on repeated experiments or observations
- 27. the application of scientific knowledge for practical purposes