NSQ-REVIEWER

 Which biome contains lichens, mosses, and grasses? 

• Grasslands
• Taiga
• Tundra 
• Desert 

Sand floating in water, but most of the sand is settled at the bottom this an example of which type of mixture?

• A solution
• A colloid
• A suspension
• A compound

Which statement below does NOT describe a colloid?

• A colloid is a type of heterogeneous mixture

• A colloid is a type of solution.

• The particles in a colloid do not settle like they do in a suspension.

• The particles in a colloid do not dissolve – they are just too small to be seen.

How are suspensions and colloids different?

• Suspensions settle out and colloids do not settle.

• Colloids settle out and suspensions do not settle.

• Suspensions dissolve and colloids do not.

• Colloids dissolve and suspensions do not.

In a solution, it is the substance that is being dissolved.

• Solute

• Suspension

• Colloid

• Solvent

In a solution, it is the dissolving substance.

• solvent

• suspension

• colloid

• solution

____ is another name for a homogeneous mixture. 

• Solution
• Suspension
• Substance
• Liquid 

The scattering of light by colloids is called ____. 

• homogeneous
• suspension
• air pollution
• The Tyndall effect

_______ is a mixture in which particles will settle out.

• suspension

• colloid

• compound

• solvent

When two or more substances are combined so each can be separated by physical means, the result is a(n) _____.

• chemical change

• compounds

• mixture

• element