1. Warm-up 1/25/16 Clear your desk of all materials You will be taking a pop quiz on lab safety, classroom rules and observation vs. inference No Strings attached. If you receive an 80% or higher, you will receive 10 extra credit points on your first test.

2. Measuring Volume Graduated cylinder is used to measure volume When liquid is poured into the graduated cylinder, a curved surface is formed. Curved surface is called a meniscus Measure volume from the bottom of the meniscus

3. Measuring volume Color Challenge Lab Step 1: Draw a data table on the back of your measuring volume worksheet Petri DishFinal colorFinal Volume A B C

4. Step 2: In petri dish A, measure 5 mL of the red liquid Step 3: In petri dish A, measure 10 mL of the blue liquid Step 4: Record the final color and final volume for petri dish A Measuring volume Color Challenge Lab

5. Step 5: In petri dish B, measure 6 mL of the yellow liquid Step 6: In petri dish B, measure 9 mL of the blue liquid Step 7: Record the final color and final volume for petri dish B Measuring volume Color Challenge Lab

6. Step 8: In petri dish C, measure 7 mL of the red liquid Step 9: In petri dish C, measure 8 mL of the yellow liquid Step 10: Record the final color and final volume for petri dish A Step 11: Turn your paper over to the front and complete the measuring volume worksheet due in 15 minutes. Measuring volume Color Challenge Lab

7. Final Results Petri DishFinal colorFinal Volume A Green15 mL B Purple15mL C Orange15mL