Mixture lab

Another name for a homogeneous mixture is a ______________________.

• solution

• suspension

• colloid

Which one of these is a solution?

• Koolaid mix dissolved in water

• sand mixed with water

• apples mixed with peanut butter

• trail mix

A heterogeneous mixture can be a solid, liquid, or gas.

• True

• False

Which one is NOT a heterogeneous mixture?

• a salad

• air

• muddy water

• a variety pack of candy

A student collects seashells at the beach.  Ms. Deering will not allow the student to take any sand on the bus.  If the student wishes to take the seashells home he must separate the seashells from the sand. Which of the following would be most helpful when trying to separate the sand from the sea shells?

• hot plate
• water 
• sieve
• magnet

Students are conducting an experiment with salt water.  A large quantity of sand is added to the container of salt water.  What do you expect to observe?

• The salt floats to the top of the container.
• The sand dissolves.
• The sand settles to the bottom of the container.
• The salt and sand combine to form a solid.

If Billy were stranded on an island surrounded by the ocean he could satisfy his fresh water needs by ____________.

• filtering the ocean water to remove the salt.
• evaporating the water from the ocean and collecting the fresh water.
• digging in the sand.
• Billy doesn't really need fresh water.

What property of tea changes when it is mixed with sugar?

• color
• taste
• shape
• state

Tags

NGSS.MS-PS1-2

A combination of two or more substances.

• mixture
• solution
• both a mixture and a solution
• this isn't possible

The air around is a mixture of gases.

• True

• False