Water as a universal solvent

What is a universal solvent?

• Liquids

• Fluids

• Whatever can dissolve acids

• A liquid that dissolves most substances

Choose the Universal Solvent

• Feathers

• 
• NONE

Seawater has ________ and ________ dissolved in it

• Paper

• Salts, impurities

• Soil

• Rocks

What is the amount of salinity in seawater?

• 35%

• 53%

• 5.3%

• 3.5%

Name a place to obtain salt

• River

• Seawater

• Lake water

What is the universal solvent?

• Sulphur

• Water

• Hydrogen

• Rocks

Tags

NGSS.MS-ESS2-4

What makes water an universal solvent?

• The chemical composition and physical attributes of water that makes it an excellent universal solvent

• It's ability to cool things down

What type of arrangement does a water molecule have?

• Water molecules have a polar arrangement of oxygen and hydrogen atoms one in the hydrogen atoms have positive electrical charge and the other side oxygen has a negative charge.

• Water molecules have a polar arrangement of oxygen and nitrogen atoms one in the nitrogen atoms have positive electrical charge and the other side oxygen has a negative charge.

Tags

NGSS.MS-PS1-1

How does water dissolve salt?

• Water does not dissolve salt

• Water is heavily attracted to salt compounds in a way that it can disturb the attractive forces that hold the sodium and choloride in the salt compound together and then dissolve it.

Tags

NGSS.MS-PS1-1

What is important for every living being on earth?

• Tea leaves

• None

• Water

• All

Tags

NGSS.MS-LS2-1