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1 st Six Weeks

1 st Six Weeks. Review for Lab safety and Equipment test. What is this tool? What SI unit do we use?. It is a Flask The SI unit is Liters. What is this tool?. IT is a test tube We don’t use a SI unit because a test tube is used only to hold substances, not measure them.

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1 st Six Weeks

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  1. 1st Six Weeks • Review for Lab safety and Equipment test.

  2. What is this tool? • What SI unit do we use?

  3. It is a Flask • The SI unit is Liters

  4. What is this tool?

  5. IT is a test tube • We don’t use a SI unit because a test tube is used only to hold substances, not measure them.

  6. What is this tool? • What SI unit do we use?

  7. This is a Beaker • The SI unit is mL

  8. What is this tool? • What SI unit do we use?

  9. This is a graduated cylinder. • We use ml for the SI units

  10. What is this tool? • What SI unit do we use?

  11. This is a metric rulerThe SI units are cm and mm

  12. What is this tool? • What SI unit do we use?

  13. This is a triple beam balance • We use the SI unit of grams

  14. What is this tool? • What is it used for?

  15. This is a dropper • It is use for precise measures of liquid

  16. What is this tool? • This is best for measuring…..

  17. This is a spring scale • This measures WEIGHT

  18. What is this tool? • What is it used for?

  19. This is a SLIDE • It is used to place things on to view on a microscope

  20. What is this tool that holds the test tubes?

  21. This is a test tube rack

  22. What is this tool? • What is it used for?

  23. Microscope • To view small objects

  24. What is this tool? • What is it used for?

  25. Thermometer • To find the temp in Celsius

  26. What would putting equipment to close to the edge of the table do in the lab?

  27. It could cause an accident by being bumped off the table.

  28. When you want to find the volume of an object with an irregular shape, what method would you use?

  29. The displacement method.

  30. Describe the steps you would take to find the volume of an object that is not square.

  31. 1. fill beaker, flask, or Graduated cylinder • 2. take measure • 3. place object in container • 4. take another measure • 5. subtract the difference

  32. When using a graduated cylinder, from which point should you take the measurement from?

  33. You should measure at the bottom of the meniscus.

  34. What piece of equipment would you use to find 10 mL of bleach? • Why would you use the one you chose?

  35. Graduated Cylinder • Because it has a more precise measure.

  36. You notice a cracked test tube, what should you do?

  37. Tell the teacher and she will take care of it.

  38. Explain how you would carry a microscope safely.

  39. Using both hands: • one on the arm and one under the base.

  40. What is wafting? Why do we use it in the science lab?

  41. Using your hand to wave a smell to your nose. • So we don’t get a strong smell of some chemical that could harm us.

  42. Look at this beaker, what is the largest amount it can hold?

  43. 50 ml • It says it on the beaker.

  44. True or False When you walk into the classroom and lab equipment is set up you should run to it and start the experiment!

  45. FALSE!!!!

  46. Why do we use safety goggles over our eyes?

  47. To protect our eyes in the lab

  48. What are 3 thing you should do with lab equipment during and after an experiment?

  49. 1.keep away from edge of table • 2. clean and return after being used. • 3. handle very carefully

  50. What is the mostimportant rule in the lab?

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