Water Unit Practice Quiz

Water exists in this forms :

• Gas

• Plasma

• Liquid

• Solid

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Draw a water molecule and label the partial charges on each atom.

What is a universal solvent?

• Water

• Dissolves almost anything

• surface tension

• Cohesion

Tags

NGSS.MS-ESS2-4

What two elements make up water?

• Helium and oxygen
• Hydrogen and oxygen
• helium and carbon
• oxygen and carbon

Tags

NGSS.MS-PS1-1

What property of water allows water to flow against gravity?

• Polarity

• Cohesion

• Capillary Action

• Adhesion

What conclusion can be made using this solubility curve?

• Decreasing temperatures always increases solubility 
• Increasing temperatures always increases solubility
• Increasing temperatures usually increases solubility
• Temperature has no affect on solubility

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement explains why water molecules stick together?

• both sides are negative

• one side has a partial positive charge and the other side has a partial negative charge

• one side has a negative charge and the other side has a neutral charge

• both sides are positive

Why does water move from the roots to the leaves of plants?

• Water is pushed by solutes
• Capillary action pulls the water molecules like a chain
• Water is pulled by gravity
• Water’s surface tension causes it to “pull” towards the leaves

The tightness across the surface of water that enables paper clips to float is ____________.

• adhesion
• capillary action
• surface tension
• polarity

How much KNO₃ solute is saturated at 40 degrees?

• 75

• 55

• 65

• 85