Which of the following is true about the structure of water?

• it contains two different molecules
• it involve non-polar oxygen bonds
• It is a polar molecule
• it is made up of atoms

Tags

NGSS.MS-PS1-1

Which of the following is true about a water molecule?

• Its hydrogen end is negative
• its oxygen end is positive
• its oxygen end is negative
• both ends of the molecule are positive

Which of the following best describes a polar molecule?

• it is a molecule with no electrical charge
• it is a positively charged molecule
• It is a negatively charged molecule
• it is a molecule with electrically charged areas

Tags

NGSS.MS-PS2-3

Hydrogen bonding, where the positive ends of water molecules attract the negative ends of other water molecules, cause....

• water molecules to repel each other
• water molecules to stick together
• water molecules to spread out
• water molecules to change state easily

Which property of water causes water molecules to cling to fibers of materials like paper and cloth?

• Capillary Action
• Specific Heat
• Surface Tension
• Universal Solven

Which of the following best describes the structure of a water molecule?

• 2 oxygen atoms mixed with 1 hydrogen atom
• 2 hydrogen atoms mixed with 1 oxygen molecule
• 2 hydrogen atoms bonded with 1nitrogen atom
• 2 hydrogen atoms bonded to 1 oxygen atom

Tags

NGSS.MS-PS1-1

The tightness across the surface of water caused by water molecules pulling on each other is called---

• capillary action
• surface tension
• specific heat
• universal solvent

Many substances dissolve in water because...

• water is polar
• water has a high heat capacity
• water has high surface tension
• water molecules tend to stick together

Which term refers to the process by which a gas changes to a liquid?

• evaporation
• condensation
• boiling
• melting

Tags

NGSS.MS-PS1-4

Water's property of specific heat mostly affects which component of weather?

• precipitation
• temperature
• humidity
• air pressure

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS3-4