Mixtures and Solutions

A combination of 2 or more substances that cannot be easily separated is called- 

• a mixture
• a solution 
• a solute 
• a solvent 

A combination of two or more substances that cannot easily be separated--

• mixture
• solution
• solute
• solvent

Which of the following is a method of separating solutions?

• hand seperation
• filtering
• screening
• evaporation 

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

• Filter
• Screen
• Magnet
• Evaporation

A tool used to separate out magnetic substances in mixtures such as iron filings

• Meter Stick
• Magnet
• Triple Beam Balance
• Tweezers

When we put a substance in water and stir it to see if it dissolves we are testing for_______________________.

• Relative Density
• Solubility
• Mass
• Temperature

You have the following solids in a lab: salt, sand, lemonade powder, and pepper.  Which solids will dissolve in water to create a solution?

• pepper, sand, and salt
• salt, lemonade powder, and sand
• salt and lemonade powder
• pepper and sand

Trail mix, with nuts, raisins, pretzels and candy pieces is a good example of a mixture.

• True
• False

Some substances that are soluble are

• salt and sand
• kool-aid and sugar
• sugar and iron fillings 

In which of these do particles move slowest?

• matter
• gas
• liquid
• solid

Tags

NGSS.MS-PS1-4