U9D1 Properties of Water---Lab choice

What percentage of the earth's surface is covered in water?

• 70%

• 80%

• 90%

Tags

NGSS.MS-ESS2-4

Which of the following properties of water allows it to dissolve most solutes?

• Universal solvent

• Cohesion and Adhesion

• High Heat Capacity

Which end of the water molecule is attracted to the Na⁺¹ ion? 

• negative end of the molecule 

• positive end of the molecule

Which end of the water molecule is attracted to the Cl^-1 ion?

• negative end of the water molecule

• positive end of the water molecule

Which characteristic of water makes it a good solvent?

• its non-polar properties

• its polarity

• its temperature

What is cohesion?

• water molecules sticking together

• water sticking to another substance

• water changing density

What is adhesion?

• when the water molecule separates into hydrogen and oxygen

• when water molecules stick to other surfaces

• when water transports nutrients throughout the body

What creates surface tension?

• water molecules bonding tightly to one another 

• changes in density 

• heat capacity

How do water striding insects walk on the surface of water?

• by using the surface tension to hold them up

• through the heat capacity of water

• through balancing

Which property of water allows it to absorb a lot of heat?

• hydrogen bonds

• adhesion

• cohesion

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4