Independent Practice _ Oct 15

A combination of 2 or more ingredients where each keep their own physical properties and can be easily separated.

• solution
• dissolve
• mixture
• saltwater

To divide or move into its individual parts.

• ingredients
• separate
• solution
• mixture

Tags

NGSS.MS-LS1-7

The process of a liquid turning into a gas when heat is added.

• condensation
• melting
• evaporation
• freezing

Tags

NGSS.MS-PS1-4

When you separate a mixture with water and one ingredient sinks and one ingredient floats the property you use is -

• evaporation
• density
• filtration
• magnetism

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

• a bar magnet

• filter paper

• hot plate

• strainer

Tags

NGSS.3-PS2-4

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.3-5-ETS1-2

Which of the following is NOT a mixture?

• sand, salt, and rocks in a bucket
• trail mix made with dried fruit,
  nuts, chocolate drops, and
  pretzels
• water in a glass
• rocks and sand in the ocean

Tags

NGSS.5-PS1-3

NGSS.5-PS1-4

A mixture of beads was placed in a container, as shown belo. The beads are of various sizes, and each one is made of plastic, glass, or steel. The mixture would be easy to separate because all the beads--- (5.5B)

• are less dense than water

• are solids

• have the same mass

• are attached to a magnet

For an investigation a student put 100 mL of water at room temperature into each of three beakers. Then the student added a coin to Beaker R, 3 g of a powdered drink mix to Beaker S, and 10 mL of lamp oil to Beaker T. The student stirred the contents of the beakers and then left them sitting on a lab table for 5 minutes. Which diagram shows what the student most likely observed in each of the beakers after 5 minutes? (5.5C)

• 
• 
• 
• 

Tags

NGSS.5-PS1-4

Why is trail mix considered a mixture?

• The particles are very small.

• The trail mix can be put together easily.

• Each parts keeps its own properties.

• All the colors and flavors fit well together.

Tags

NGSS.5-PS1-4