8/22: Density Scenarios

1. Students filled a graduated cylinder with water and oil. Next they placed two samples, Substance X and Substance Y, in the same graduated cylinder. The illustration shows the final positions of all these materials. What conclusion can be drawn from this observation?

• A. Water is less dense that oil.
• B. Substance Y is less dense than oil.
• C. Oil is more dense than water.
• D. Substance X is less dense than water.

2. Water and oil are poured into the same container. An object is added. The materials are allowed to sit and their final positions are shown in the illustration. What is the most reasonable conclusion that can be made from this test?

• A. The object has the lowest density.
• B. Water is more dense than oil.
• C. The object is more dense than water.
• D. Oil has the highest density.

3. What evidence in the pictures proves ice is less dense than water?

• A. The water has more density that the ice cubes.
• B. The ice cubes are floating in the water.
• C. The ice cubes are resting at the bootm of the glass.
• D. The ice cubes are melting and becoming a liquid.

4. Which object below would be classified as having the greatest density?

• A. Ping pong ball
• B. Penny
• C. Water
• D. Duck

5. Which statement is true?

• A. The sand is less dense than the water.
• B. The water has a greater density than the sand.
• C. The sand and water are the same physical property.
• D. The sand has a greater density than the water.