Mixtures, Solutions, & Changes Test (5B/5C)

cutting an apple

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

cooking an egg

• physical change

• chemical change

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2

NGSS.MS-PS1-4

folding paper

• physical change

• chemical change

boiling a pot of water on the stove

• physical change

• chemical change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Organize the solutions from least concentrated to most concentrated.

• 100mL of water

  2g of salt

• 100 mL of water

  25g of salt

• 100mL of water

  8g of salt

• 100mL of water

  15g of salt

Willis puts a 50g cube of sugar into 1000mL of water. Which situation will allow the sugar to dissolve the slowest?

• Willis heats the water and crushes the sugar.

• Willis puts ice in the water and stirs it quickly.

• Willis puts ice in the water and leaves the cube whole

• Willis crushes the sugar cube and shakes the solution

What mixture could you use this tool to best separate that mixture?

• Sugar and Salt

• Sand and rocks

• Apples and grapes

Tags

NGSS.5-PS1-3

NGSS.5-PS1-4

Which of these materials are attracted to a magnet

• iron filings

• sand

• rocks

• wood

Tags

NGSS.3-PS2-3

NGSS.5-PS1-3

A packet of trail mix has raisins, nuts, granola,

and cranberries. Which statement correctly

describes the trail mix?

• The trail mix is a mixture because it contains

  an equal number of nuts and raisins.

• The trail mix is a mixture because the

  ingredients dissolve in water.

• The trail mix is a mixture because the

  ingredients cannot be separated.

• The trail mix is a mixture because the

  ingredients maintain their physical

  properties.

How would Sarai best increase the concentration of her lemonade drink?

• add more water

• add more lemonade powder

• stir the solution

• add more water and more lemonade powder