Mixtures and Solutions 2

Vocabulary

100

When lemonade powder is dissolved in water, what is the solvent?

Water

100

When citric acid is mixed with water, what is the solute?

citric acid

200

To dilute a mixture means to make it less __________

Concentrated

200

_______________ is the state or process that occurs when no more substance can be dissolved.

What is saturation?

300

As concentration increases in a solution, density ________________.

What is increases?

Mixtures/Solutions

100

A mixture is 2 substances that can be easily _____

separated

100

Give an example of a mixture

Example: trail mix

200

A solution is made, but you dont know what the solid substance was dissolved.  You could find out by _________________________________________.

evaporating the water and identifying the crystls. 

200

True or false?

All solutions are mixtures, but not all mixtures are solutions

True

300

Students in a food class make a recipe for Chocolate cookes.  

They use the following:

 100 grams of of chocolate.

50 grams of butter

150 grams of sugar

50 grams of eggs

They mix the ingredients in a big bowl, the mass after they mix the ingredients is______________?

350 grams

Solutions

100

We can look at the _____________ to identify substance after using evaporation to get rid of the water in a solution.  

crystals

100

Give an example of a solution

Example: salt water

200

The two parts of a solution are the ___________.

solute and solvent

200

True or false?

Some mixtures are solutions and some solutions are mixtures.

False

300

What word do we use when a solution is made less concentrated?

Dilute or dilution

Matter

100

All matter is made of ________________

atoms.

100

All matter is made of particles too small to be _________

seen.

200

Three states of matter

What is solid, liquid, and gas?

200

Give an example of how you know that particles too small to be seen exists.

Example: I can't see air, but it takes up space when I blow up a balloon.

300

Melted ice mass increases, decreases, or stays the same before and after it melts.  

This is an example of the law "conservation of matter."

stays the same

Separating Mixtures

100

What are 2 properties we can use to separate mixtures?

Examples: size, color, magnetism

100

What are 2methods we can use to separate mixtures?

Examples: Magnets, evaporation, strainer, filter

200

If you wanted to separate salt from water, what would you do?

Use evaporation

200

How would you separate iron filings from sand?

Use a magnet

300

What would be the best method to use to separate a mixture of sand and gravel?

A strainer