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Across 1. comparing what you already know with the information you are given in order to decide whether you agree with it 6. using one or more of your senses to gather information 8. statement of what will happen next in a sequence of events 10. factors in an experiment that remain the same 17. study of chemistry and physics, interactions of matter and energy 18. an explanation of observations or events based on knowledge gained from many observations and investigations 19. type of variable the scientist changes

Down 2. a scientific test done under controlled conditions, meaning that just one factor changed at a time, while all others are kept constant. 3. examples of these observations would be... it is green, feels bumpy, heavy, cold 4. study of all living things 5. practical use of scientific knowledge, especially for industrial or commercial use 7. study of landforms, rocks, soil, and forces that shape earth’s surface 9. logical explanation of an observation that is drawn from prior knowledge or experience 11. a possible explanation about an observation that can be tested by scientific investigations 12. examples of these observations would be... its if 34 degrees, volume of 5 mL, radius of 8.7 cm 13. any factor in an experiment that can have more than one value 14. describes a pattern or an event in nature that is always true 15. type of variable the scientist measures 16. investigation and exploration of natural events and of the new information that results from those investigations