1. No Starter today!!! zPlease transfer your answers from the LARGE scantron to a SMALLER scantron zOnly use a pencil for this please! zWe only have 5 minutes to do this!

2. Attendance Correct HW Lab Equipment Beach Balla Holla Identify & compare common scientific tools H.W. ˃ Quiz tomorrow! ˃ Study NP 6, 7 & 8

3. Laboratory Tools 1.Hypothesize what your tool measures (solid, liquid, gas) 2.What creative name would you give it?

4. Beaker z Glass or plastic z Varies in size (small to large) z Approximate measurement of a liquid

5. Erlenmeyer Flask z Glass z Varies in size (small to large) z Approximate measurement of a liquid z Narrow mouth

6. Test Tube & Test Tube Rack zGlass Tubes zHolds small amounts of liquid zTest Tube Rack = “Storage”

7. Test tube tongs / holder / grippers

8. Graduated Cylinder z Glass or plastic z Varies in size (small to large) z Precise amount of liquid y Graduations = “measurement lines” that increase from bottom to top

9. Safety goggles / goggles z Protects your eyes from chemicals/hazardous substances

10. Funnel z Precise pour from larger container to smaller container

11. Bunsen Burner z Heating/melting substances

12. Dropper Picks up small amounts of liquid Release liquid one-drop at a time

13. Thermometer z Glass z Measures how hot/cold a liquid is y Contains the element mercury = poisonous!!! z Not for use on your body!

14. Triple-beam Balance zVery fragile yAlways hold with TWO hands zDetermines the mass of an object zEver stepped on a scale at the doctor’s office?? zMass is similar but not the same as weight

15. Microscope VERY fragile! Always hold with TWO hands Observe very small objects/organisms

16. Microscope Slides & Coverslips z Slide = Glass z Coverslip = Plastic z Holds specimen in place under microscope z No creepy crawlers!

17. DISSECTIONS!!!!! Now……what you’ve been waiting for…….

18. Dissecting tray z Size of binder paper z Keep specimen in here while dissecting z May/may not have rubber on the bottom

19. Dissecting tools z Scissors – Cut open specimen z Probe – Pointing or holding open parts of specimen z Forceps – Holding open specimen or holding to eyelevel for observation

20. Quick Check Why do scientists use such a variety of tools?

21. Beach Balla Holla zIf you are chosen, you will be thrown the beach ball zComplete the sentence/question that is closet to your pointer finger on your RIGHT hand zKeep the ball until the next person is called