Mixtures and Solutions

To separate the sugar and lemonade, what method should you use?

• filtration 
• sorting
• magnet
• boiling

How would you separate the ingredients of mixture Z?

• Water
• A magnet
• A sieve
• My hands

How would you separate a mixture of sand and salt? 

• Mix them with water and let the water evaporate
• Mix them with water, pour the mixture through a sieve, then let the water evaporate
• Heat the sand and salt mixture for 5 minutes, then let it cool
• I would not do any of these because none of these options would work

Tags

NGSS.MS-PS1-2

Students collected data on four substances. If the same students were then given a mystery substance made of tan crystals that dissolves in water, it could be –

• Corn starch
• brown sugar
• white sand
• sand

Tags

NGSS.MS-PS1-2

Students collected data on the appearance of four substances and how they reacted when mixed with water. Which substances dissolved when mixed with water?

• A and B
• A and C
• B and C
• C and D

Tags

NGSS.MS-PS1-2

All are solutes except

• sugar
• pepper
• salt
• powdered chocolate 

Trinity is trying to make a mixture out of 150g water and 10g of salt. Which material is the solute?

• Water

• Salt

• Air

• Water

The picture above shows an ice cube melting into water.  Which of the following is true about the ice that is not true about the water?

• It is made up of particles that can move freely
• It has a definite volume
• It has a definite shape
• It is made up of particles that are spaced far apart

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

The above drawings show how a solid piece of matter can be magnified.  Which of the following tools would be the best to use to generate this degree of magnification?

• A magnifying glass
• A microscope
• A telescope
• A prism

In the above diagram, State of Matter C is a gas.  This means that which of the following statement is true about this state of matter?

• Its particles can move freely throughout the container
• It has a definite volume, but no definite shape
• It has a definite shape and volume
• The particles are rigid and densely placed