Water Density

Cold water has what type of density?

• Low

• High

Water with high salinity has what type of density?

• Low

• High

Freshwater or water with very low salinity has what type of density compared to water with very high salinity?

• Low

• High

Eggs floats in?

• Normal water

• Salt water

• Hot water

Salt increase the density of ?

• Egg

• Water

• Both egg and water

Which of these will not increase the density of water?

• Mixing salt

• Mixing Sugar

• Mixing sand

If the same mixture of water is heated and water is evaporated out of the glass what will happen to the density of water.

• Remain same

• Increase

• Decrease

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Why do some substances float on water?

• they are warmer than water

• they are cooler than water

• they are more dense than water

• they are less dense than water

You are given a mystery object in science class. Your teacher asks you to determine if your object is more or less dense than water. You place the object in the water and it sinks. What statement would best describe this situation?

• The mystery substance is denser than water.

• Water is denser than the mystery substance.

• They both have the same mass.

• The mystery substance must be hollow.

What happens to the density of water when it is cooled to 4°C?

• It increases

• It decreases

• It remains the same

• It becomes zero