Mixture and Solutions

What is a Mixture?

• a combination of 2 or more things that each do not keep their own properties
• A combination of 2 or more things where each one keeps their own properties
• A combination of 2 or more things that create a new substance
• A combination of 2 or more things that can not be easily separated 

To separate sand and water you will need a?

• Filter Paper
• Strainer
• Funnel
• Tweezers

How can we separate Salt and Water?

• By using a strainer
• By using a filter paper
• By using tweezers 
• By using a hot plate

How can I remove Iron fillings from Sand?

• Using a strainer
• Using Tweezers
• Using a Magnet
• Using my hands 

Tags

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The separation technique that involves heating a solution until the liquid changes into a gaseous state, leaving behind a solid is known as

• decanting
•  evaporation
• loading
• chromatography

Tags

NGSS.MS-PS1-4

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

A combination of 2 or more substances that can be easily separated is called- 

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

Tags

NGSS.5-PS1-4

To separate trail mix what method should you use?

• filtration 
• sorting
• magnet
• boiling

Tags

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A science class performed an investigation by evaporating a solution containing 10g of salt and 50ml of water. How much salt would you expect to find in the cup at the end of the investigation?

• 60g

• 50g

• 10g

• 5g

Tags

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What is salad?

• element
• compound
• mixture