Separating Mixtures

Separating Mixtures

Open Ended

Which items are soluble?

Open Ended

Which Items are Magnetic ?

Open Ended

What do you like on your pizza? How could you separate the mixture, so that your pizza only has things that you like to eat on it?

Open Ended

What are some ways we could separate the mixture?

Open Ended

What could we separate by using the sieve?

Poll

What can we separate from the mixture by using a magnet?

• sand

• iron

• pebbles

• salt

Open Ended

How will adding water to the mixture help us separate it?

Open Ended

How will boiling or evaporating the liquid help us separate the mixture?

Multiple Choice

A student combined powdered paint with water to make a small amount of a blue liquid paint mixture. The student left the paint mixture in an open container. Several days later the student found the container and observed that changes had occurred. What most likely happened to the mixture?

• The container was empty after the mixture evaporated into the air.

• The paint evaporated, leaving only the water in the container.

• The water evaporated, leaving only a dry blue solid in the container.

• The liquid paint mixture was lighter in color after some water evaporated.

Multiple Choice

In Which picture can the substances not be separated ?

Multiple Choice

Mixtures are _________

• easily separated

• impossible to separate

• always solutions

• only liquids

Multiple Choice

In a mixture, the properties of a substance ______________

• do not change

• change forms

• turn into a liquid

• become solid

Multiple Choice

The image shows sand and iron fillings being separated. What is this method of separation?

• Hand picking

• Sieving

• Filtration

• Magnetic separation

Multiple Choice

What is a solution?

• A type of mixture where one substance dissolves in another

• An ingredient.

• A liquid.

• A gas.

Multiple Choice

________ is the ability to dissolve in water.

• Conductivity

• Magnetism

• Solubility

• Reflectivity

Multiple Choice

Look at the image.

How many substances were mixed in the glass jar?

• 3 Substances

  Water

  powdered drink mix

  Ice

• 2 substances

  Water

  Ice

• 2 Substances

  Ice

  Powdered drink mix

Multiple Choice

Look at the image.

When the substances were mixed what physical properties of water changed ?

• Color

  Taste

• Taste

  physical state

• Color

  volume

• Color

  taste

  physical state

Multiple Choice

When a substance dissolves, that means its particles _________.

• spread out evenly

• disappear

• turn into water

Multiple Choice

A combination of two or more substance that CANNOT be easily separated

• mixture

• solution

• solute

• solvent

Multiple Choice

Jim is drinking a cup of hot chocolate. Identify the solvent in this solution.

• water

• hot chocolate mix

• marshmallows

Multiple Choice

Jim is drinking a cup of hot chocolate. Identify the solute in this solution.

• water

• hot chocolate mix

• marshmallows