Biology 2.1: Water and its Properties

The chemical compound of water is

• HO
• H₂O
• H₃O
• HO₂

Tags

NGSS.MS-PS1-1

The Hydrogen atoms in H₂O are positively charged

• True
• False

Tags

NGSS.MS-PS1-1

Water is a universal solvent

• True
• False

Tags

NGSS.HS-ESS2-5

Water freezes at what temperature ?

• 0^o F
• 100^o C
• 32^o C
• 0^o C

Tags

NGSS.HS-ESS2-5

Why does Ice float?

• Ice is less dense than in water in liquid form.
• Ice is more dense than in water in liquid form.
• Ice has more surface tension
• None of the above

What enables a water strider to stand on the water?

• Adhesion
• Cohesion
• Surface Tension
• None of the above

A solvent is...

• a substance into which the solute dissolves
• a compound being dissolved
• a substance that does not dissolve
• None of the above

Tags

NGSS.MS-PS1-2

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

molecule in which opposite ends have opposite electric charges

• cohesion
• polar molecule
• hydrogen bond
• solution

Tags

NGSS.MS-PS1-1

What kind of molecule is water?

• Ionic

• Polar Covalent

• Nonpolar Covalent

• Metallic

Tags

NGSS.MS-PS1-1