6.6D - Relative Density Review

Water, oil, and a piece of cork are placed in a container. After a few minutes, the liquids and object layer as pictured below. Which of the following answer

• The cork is less dense than water but more dense than oil.

• The cork is less dense than oil but more dense than water.

• The cork is more dense than both the water and the oil.

• The cork is less dense than both the water and the oil.

Tags

NGSS.MS-PS1-2

Anya created a density tower using seven liquids. After seeing how the liquids layered, she created a table to compare their densities. Which density comparison did Anya list incorrectly?

• Density comparison 1

• Density comparison 2

• Density comparison 3

• Density comparison 4

Tags

NGSS.MS-PS1-2

Relative density describes–

• the amount of space an object takes up.

• the amount of matter in an object.

• how dense something is compared with a reference material.

• anything that has mass and takes up space.

Santi was making iced tea during the hot summer. He added a spoonful of sugar to his tea. After he added it, he noticed that the sugar sank to the bottom. Which answer choice best describes why this happened?

• The temperature outside forced the sugar to the bottom of the iced tea.

• The ice in the drink forced the sugar to the bottom of the glass.

• The sugar was less dense than the iced tea.

• The sugar was more dense than the iced tea.

Rami completed the table below after measuring each block's mass and volume. She then decided to place each block in dish soap, which has a density of 1.03 g/mL. Which of the following statements is supported by the table?

• Both blocks will sink in dish soap.

• Both blocks will float in dish soap.

• Block 1 will sink in dish soap while block 2 will float.

• Block 1 will float in dish soap while block 2 will sink.

The chart below shows the densities of various substances. Which three statements are true? Select three correct answers.

• The unknown liquid is more dense than iron.

• If mercury was placed in the unknown liquid, it would float.

• Iron and germanium are less dense than the unknown liquid.

• Lead is more dense than the unknown liquid.

• If germanium were placed in the unknown liquid, it would sink.

Tags

NGSS.MS-PS1-2

Scarlett and her mom poured various liquids into a graduated cylinder to see what would happen. How many labeled substances are more dense than water?

• 3

• 1

• 2

• 4

Tags

NGSS.MS-PS1-2

Scarlett and her mom poured various liquids into a graduated cylinder to see what would happen. How many labeled substances are less dense than olive oil?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-2

The density of water is 1.00 g/mL. Which of the following items would sink if placed in water? Select three correct answers.

• Table-tennis ball density 0.084 g/mL

• Eraser density 1.43 g/mL

• Paper clip density 1.5 g/mL

• Cork density 0.25 g/mL

• Quarter density 1.5 g/mL

Tags

NGSS.MS-PS1-2

The densities of different substances are listed above. Which of the following is supported by the information in the table?

• If placed in a container, Substance 3 would sink to the bottom, Substance 1 would float to the top, and Substance 2 would layer in between.

• If placed in a container, Substance 2 would sink to the bottom, Substance 1 would float to the top, and Substance 3 would layer in between.

• If placed in a container, Substance 1 would sink to the bottom, Substance 2 would float to the top, and Substance 3 would layer in between.

• If placed in a container, Substance 3 would sink to the bottom, Substance 2 would float to the top, and Substance 1 would layer in between.

Tags

NGSS.MS-PS1-2