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When an accident occurs in the lab you should always, do what first ? Tell the Teacher

When an accident occurs in the lab you should always, do what first ? Tell the Teacher When finished with a lab, you should always do what with your equipment ? Wash and put away properly. Swimsuits Sold by Month. 3. Construct an appropriate graph using the data table. Line Graph

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When an accident occurs in the lab you should always, do what first ? Tell the Teacher

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  1. When an accident occurs in the lab you should always, do what first? Tell the Teacher • When finished with a lab, you should always do what with your equipment? Wash and put away properly

  2. Swimsuits Sold by Month 3. Construct an appropriate graph using the data table. Line Graph X-axis- Time (Months) Y-axis- #’s

  3. 4. How would you graph the growth of a toddler for 6 months? what is on the x-axis? Time (Months) what is on the y-axis? Growth what type of graph would it be? Line

  4. 5. A student changes the size of the balloon from a round to a long skinny balloon and records the amount of air lost from the balloon (measured the diameter of the balloon). What is on the y-axis of the graph? Amount of air lost (diameter)

  5. What piece of equipment would you use to collect large amounts of water and still be able to make measurements from? Beaker • What piece of lab equipment measures volume? Graduated Cylinder (ml)

  6. 8. Which is the safest way to handle a substance? • Heat it • Mix it with another chemical • Taste it • Dissolve it into water • Where should you put broken test tubes? Broken glass receptacle (disposal)

  7. 10. Which is faster? • 70mph • 50mph • 120mph • 2 mph

  8. What makes an experiment valid? Repeated Trials • What should you do with leftover chemicals during a lab? Chemical Disposal

  9. 13. What do you read on a graduated cylinder to find the volume of liquid? Meniscus (bottom of curved line) • List 4 pieces of safety equipment. Goggles, gloves, apron, fire blanket, fire extinguisher, eye wash…..

  10. Give an example of the two kinds of data you can collect during a lab: QuaLitative- what it Looks Like QuaNtitative- #’s (numbers)

  11. 16. WHAT IS THE INDEPENDENT VARIABLE? Composition (words)What is the dependent variable? Percentages (#’s)

  12. 17. What is the independent variable? YearWhat is the dependent variable? CO2(ppm)

  13. 18. What is the independent variable? GradeWhat is the dependent variable? #of students

  14. 19. Construct an appropriate graph using the data table. Food Choices of Students by Percent Pie Graph X-axis Food Y-axis Percentage (#’s)

  15. 20.Construct an appropriate graph using the data table. Mountain Height Bar Graph X-axis Mountain Y-axis Height

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