Unit 1 Properties of Water

In a water molecule ________________ has the positive charge.

• Hydrogen

• Oxygen

• Nitrogen

• Helium

Tags

NGSS.MS-PS1-1

In a water molecule _____________ has the negative charge.

• Hydrogen

• Oxygen

• Nitrogen

• Helium

Tags

NGSS.MS-PS1-1

Some insects and small organisms can walk on water due to

• Adhesion

• Capillary Action

• Surface Tension

• Specific heat

The tendency of water molecules to attract to one another is known as

• Adhesion

• Cohesion

• Specific heat

• Capillary Action

The _____________ is the part of the solution that is dissolved.

• Smaller molecule

• Larger molecule

• Solute

• Solvent

The ______________ is the part of the solution that dissolves the other substance.

• Large molecule

• small molecule

• Solvent

• Solute

The ________________ is the amount of heat it takes to raise the temperature of one gram of a substance by one degree Celsius.

• Heat of vaporization

• Specific Heat

• Capillary Action

• Surface tension

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Water molecules are strongly attracted to one another due to _______________ bonds, which causes ________________.

• Hydrogen; Adhesion

• Hydrogen; Cohesion

• Ionic; Adhesion

• Ionic; Cohesion

When water molecules bond to the xylem in plants, it is displaying the property of

• Cohesion

• Adhesion

• Surface tension

• Polarity

Ice floats on water because it ___________ when it freezes, and becomes __________ dense than water.

• Contracts; more

• Contracts; less

• Expands; more

• Expands; less

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4