Water and Solutions

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

Tags

NGSS.HS-ESS2-5

Why does ice float?

• As water freezes, it expands and its density decreases.
• As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
• As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
• As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.

Tags

NGSS.MS-PS1-4

True or false water is a polar molecule? 

• True 
• False 

Tags

NGSS.HS-PS1-3

The attraction that causes water and other liquids to form drops is called ________________. This is also water’s ability to be attracted to other water molecules.

• adhesion
• capillary action
• cohesion
• surface tension

The substance that gets dissolved is called solvent.
True or False?

• True.
• False.

Type of mixture in which all substances are evenly distributed is a?

• Solution
• Solute
• Solvent

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

This is the part of a solution that dissolves

• Solute
• Solvent
• Solution
• Mixture 

mixture of two or more substances; dissolved particles are spread evenly throughout the mixture

• solvent
• solute
• mixture
• solution

What two elements make up water?

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

Tags

NGSS.MS-PS1-1