1. Tools in the Science Lab

2. 1. metric ruler- measures length 2. Graduated cylinder-measures Volume To read the volume, you must look at the bottom of the _____________ which is a curve surface.

3. 3. Triple beam balance and electronic balance measure mass in grams. 4. Probe and scapel are used for dissection

4. 5.Centrifuge is a tool used for separating substances of different densities. Parts of a cell and blood are separated this way.

5. 6. Chromotography- technique used to separate substances based on their chemical make up ( the different colors of leaves are separated this way)

6. 7. Gel electrophoresis -technique used to separate substances based on their electrical charge. (DNA is separated this way)

7. 8. Microscope- a tool used to magnify objects. a. compound microscope uses 2 lenses. b. stereoscope also called a dissection microscope. This has 2 oculars (eye pieces) is used to observe external parts of a specimen.