1. T EST 1 R EVIEW Lab Safety, Scientific Inquiry, and Properties of the Atmosphere

2. W HAT DOES THIS SYMBOL REPRESENT ? Poison safety

3. W HAT DOES THIS SYMBOL REPRESENT ? Thermal Safety

4. W HAT DOES THIS SYMBOL REPRESENT ? Disposal Alert

5. W HAT DOES THIS SYMBOL REPRESENT ? Chemical Safety

6. W HAT DO SCIENTISTS CALL A “A STATEMENT THAT DESCRIBES WHAT ALWAYS SEEMS TO HAPPEN IN A GIVEN SITUATION ”? A scientific law

7. W HAT IS A THEORY ? A well-tested explanation.

8. I N THE P ENNY L AB, WHICH WOULD BE AN APPROPRIATE H YPOTHESIS ? A) If the water is soapy, the penny will become slippery. B) If the water is soapy, more water will stay on the penny. C) If the water is not soapy, the penny will not get clean. B

9. I N AN EXPERIMENT, WHAT IS THE MANIPULATED VARIABLE ? A) What the scientist is measuring. B) What the scientist is testing or changing. C) The item that responds. B

10. A FTER YOU HAVE ANALYZED YOUR DATA, WHAT SHOULD YOU DO ? Draw a conclusion

11. F ILL IN THE BLANKS Oxygen is important because most animals 1) ___________ it, 2) ___________ consumes it, and it is in 3) ______________, which protects us from harmful radiation. 1) breathe 2) fire 3) ozone

12. W HAT THREE THINGS MAKE UP MOST OF OUR DRY AIR ? Nitrogen, oxygen, and other gases

13. W HAT IS THE SCIENTIFIC WORD FOR EVAPORATION FROM PLANTS ? Transpiration

14. W HAT IS THIS PROCESS DESCRIBING ? As humid air gets colder, the water vapor turns back into liquid water. When the water contacts a solid surface (such as glass or a particle of dust), it becomes a droplet. Condensation

15. F ILL IN THE BLANK Warm air is _________ dense than cold air. Less

16. D RAW A CUMULUS CLOUD

17. W RITE THE EQUATION FOR DENSITY

18. LAST QUESTION! Make your bids: Bid all, none, or a specific number of points. If you get it right, you gain the points. If you get it wrong, YOU LOSE THE POINTS.

19. A S ALTITUDE INCREASES, WHAT THREE THINGS DECREASE ? Density Pressure Temperature