Water

Describe cohesion.

• Water molecules attracted to other substances.

• Water molecules climbing upwards against the force of gravity.

• Water molecules dissolving many substances because of its polarity.

• Water molecules attracted to other water molecules.

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 word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

Attractions between water molecules are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

molecule in which opposite ends have opposite electric charges

• cohesion
• polar molecule
• hydrogen bond
• solution

Tags

NGSS.MS-PS2-3

Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?

• adhesion
• surface tension
• solvent properties
• nonpolar

What is water's technical name

• NaCl
• CO₂
• H₂O
• H₂O₂

Tags

NGSS.MS-PS1-1

Why does water move from the roots to the leaves of plants through the plants' tiny tubes?

• specific heat 
• capillary action

• atoms

• density

Water is a universal solvent because it...

• can be found anywhere.
• freezes when it gets cold.
• floats when frozen.
• dissolves most substances.

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer