Physical Characteristics of Water

What is the melting point of ice?

• 0 °C

• 100 °C

• 50 °C

• 30 °C

Tags

NGSS.MS-PS1-4

What is the boiling point of water?

• 0 °C

• 100 °C

• 50 °C

• 30 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Choose the physical characteristics of water. (You can choose more than one answer.)

• Colourless

• Odourless

• Tasteless

• Acidic

Insects like daddy longlegs can move on the surface of the water because of

• the higher density of water.

• the special ability of floating.

• the high surface tension of water.

When we add salt into pure water, the boiling point of the solution will

• be more than the boiling point of the pure water.

• be less than the boiling point of the pure water.

• same as the boiling point of the pure water.

Which of the following is not a characteristic of pure water?

• Colourless

• Odourless

• Tasteless

• Acidic

What is the density of water at 4°C?

• 1 g/cm³

• 0.5 g/cm³

• 2 g/cm³

• 1.5 g/cm³

Tags

NGSS.MS-PS1-1

Which property of water allows it to dissolve many substances?

• Cohesion

• Adhesion

• Polarity

• Viscosity

What is the specific heat capacity of water?

• 1 cal/g°C

• 0.5 cal/g°C

• 2 cal/g°C

• 1.5 cal/g°C

Why does ice float on water?

• Ice is denser than water

• Ice is less dense than water

• Ice has a higher temperature

• Ice has a lower temperature