›Warm up: complete this on your Activity 8 notes page! ›Do you think that gas has volume? Why or why not? Activity 8: Measuring Volume.

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Presentation transcript:

›Warm up: complete this on your Activity 8 notes page! ›Do you think that gas has volume? Why or why not? Activity 8: Measuring Volume

›What are the two ways to measure volume? ›How would you measure the volume of: –A nail –A tennis ball –A pizza box Activity 8: Measuring Volume

›What is the volume of a cylinder with a diameter of 6 cm and a height of 3 cm? Activity 8 Measuring Volume

›What is the volume of the irregular shaped object? Activity 8 Measuring Volume

›With your group, wrap up measuring the cubes, cylinders, and bars in your box. ›Record your data in Student Sheet 8.1b. Activity 8 Measuring Volume

Class Comparison ObjectMethod Used MeasurementsFormula and CalculationsVolume Light gray bar Dark gray bar Light gray cube Dark gray cube Light gray cylinder Dark gray cylinder

›Quantitative- ›Qualitative- Quantitative vs Qualitative

›What is the final ranking of the objects? List the objects from least to greatest. Ranking of Objects

List 1List 2List mL2 mL1 L 11 mL801 mL999 mL 200 mL27 cm cm 3 Activity 8 Analysis Questions Cross out the smallest and circle the largest in each list.

Activity 8 In Case You Missed It…

›Quantitative observations use measurements. –Ex: the cube has a length of 4 cm. The monkey has a mass of 140 g. ›Qualitative observations do not use measurements. –Ex: the cube is silver. The monkey is purple. Activity 8 In Case You Missed It…

›Please open your books to page A36. Activity 9: Measuring Mass and Calculating Density

›How do you define mass? ›How do you define weight? Is it different than mass? Activity 9: Measuring Mass, Calculating Density

›What is the formula for density? ›Today, you are going to measure the mass of the metal objects. ›Make sure the scale is zeroed! ›Record data on Student Sheet 9. Activity 9: Measuring Mass, Calculating Density

›Use the mass and the volume from Activity 8 to calculate the density of the cube, bar, and cylinder. ›Then, use your calculations and Table 3 (on Student Sheet 9) to determine the identity of the objects. Activity 9: Measuring Mass, Calculating Density

ObjectMass (g)Volume (cm 3 or mL) Density Calculation Density (g/cm 3 or g/mL) Light gray bar Dark gray bar Light gray cube Dark gray cube Light gray cylinder Dark gray cylinder Class Comparison

ObjectDensity CalculatedClosest Density from Table 3 Object’s Material Light gray bar Dark gray bar Light gray cube Dark gray cube Light gray cylinder Dark gray cylinder Class Comparison

›Does the density of an object change if its size changes? –If a piece of clay has 10 g of mass and a volume of 5 cm 3 what is the density of the clay? –What if you cut it in half? What is the density of the 2 half pieces of clay? More About Density

›On your own, with a partner, or with your group, work on Analysis Questions 1-3. ›Question 3e is a UC assessment! ›The scoring guide is in the OneNote Content Library ›All questions should be answered in OneNote on the Activity 9 Analysis Questions page! Activity 9 Analysis Questions

Activity 9 UC Assessment