Understanding Density

Why did one container sink while the other floated in the water?

• They were placed in different parts of the water.

• They were made of different materials.

• They had different items inside.

• They were different sizes.

Which container is more dense?

• The one with cotton balls.

• The one with sand.

• Both have the same density.

• Density cannot be determined.

What happens to the vegetable oil when poured into water?

• It evaporates.

• It floats on top of the water.

• It sinks to the bottom.

• It mixes with the water.

Where does the metal screw go when placed in water?

• It sinks to the bottom.

• It dissolves in the water.

• It stays suspended in the middle.

• It floats on the surface.

What is the relative density of cork compared to oil and water?

• More dense than oil but less dense than water.

• Less dense than oil but more dense than water.

• Less dense than both.

• More dense than both.

Which liquid is at the bottom of the density tower?

• Syrup

• Dish soap

• Vegetable oil

• Rubbing alcohol

Which liquid is the least dense in the density tower?

• Syrup

• Rubbing alcohol

• Dish soap

• Water

Which two liquids are more dense than water in the density tower?

• Syrup and dish soap

• Vegetable oil and rubbing alcohol

• Dish soap and rubbing alcohol

• Syrup and vegetable oil

What does it mean when a liquid is less dense than water?

• It will mix with water.

• It will float on water.

• It will sink in water.

• It will evaporate quickly.

How are the molecules arranged in a more dense liquid compared to a less dense one?

• They are more spread out.

• They are more tightly packed together.

• They are the same in both.

• They are randomly arranged.