Investigating Density: Determined by using mass and volume of a substance.
In this Physical Science Activity, students investigate Density. Students will explore the history of density, its uses, and applications. Students will generate data, calculate, summarize, and apply data to a graph. They can use their graph to calculate density and compare density values.
Concepts include: Relationships between matter, atoms and elements; Distinguish between chemical and physical properties of matter; Preform calculations involving density; Evaluate materials and their properties for different uses.
Vocabulary involved: reactivity, density, chemical property, physical property, buoyancy.
Context for Use
Resource Type: Activities:Lab Activity, Classroom Activity
Grade Level: High School (9-12)
Description and Teaching Materials
Density Inquiry Lab
The Relationship between Mass and Volume.
In composition book, make a data table with 3 columns and 12 rows. In the first row label the columns:
1. Volume of Water (ml)
2. Mass of Cylinder (g) and Water (g)
3. Mass of Water (g)
In the remaining spaces of the first column, write: 0, 10, 20, 30, 40, 50, 60, 70, 80, 90 and 100. All of your data will be entered on this table.
Measure the mass of the empty graduated cylinder and record it in your data table.
Pour the amounts of water listed in the first column of your table from the beaker into the graduated cylinder. Use the balance to find the mass of the graduated cylinder with the water. Record each value in your data table.
Open Excel graphing program and use the data to make a graph. Label the horizontal x-axis, Mass of water (g). Mark the x-axis in 10 equal increments for 10-100g. Label the vertical y-axis, Volume of water (ml). Mark the y-axis in 10 equal increments for 10-100ml.
Apply these questions to the data you have created in your composition book.
1. Predict the mass of 55 ml of water and 100 ml of water.
2. Predict the volume of 25g of water and 75 g of water.
D = m/V
3. How could you use your data table to calculate the density of water?
4. How could you use your data graph to calculate the density of water?
5. Which method gives better results?
Tape graph in composition book.
Turn in History of Density exploratory paper, a copy of graph and the 6 questions above. (typed).
All notes, experiment, data, and drawings are recorded in Composition books. Composition books are graded twice a quarter.