NWEA

One hot summer, you remember you left a cup of water outside. A few weeks later, you saw that the cup was empty and you remember the cup having water. What happened to the water?

• It evaporated

• It underwent deposition

• It melted

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

A watermelon has more matter than a grape, so it has more

• mass

• eat

• solid

• greater

Tags

NGSS.MS-PS1-5

Which liquid has the greatest density?

• lamp oil

• karo syrup

• water

• honey

Tags

NGSS.MS-PS1-2

Which term describes when a substance is changed from a liquid to a gas?

• Condensation

• Evaporation

• Filtration

• Precipitation

Tags

NGSS.MS-PS1-4

How would you demonstrate that air has mass using a simple experiment?

• Avery weighs a deflated balloon and then weighs it again after inflating it.

• Lily measures the temperature of the air.

• Olivia observes the movement of air with smoke.

• Listening to the sound air makes when it moves.

Tags

DOK Level 3: Strategic Thinking

When Nora heats a kettle of water from room temperature to boiling for her tea, how does the state of matter of the water change?

• It changes from solid to liquid.

• It changes from liquid to gas.

• It changes from gas to liquid.

• It remains a liquid.

Tags

DOK Level 2: Skill/Concept

Sand and salt are placed in the bottom of a beaker filled with water. The beaker is heated, and the water is stirred.

What will happen to the salt and sand?

• The sand and salt will settle to the bottom.

• The sand and salt will dissolve in the water

• The salt will dissolve, and the sand will settle

• The sand will evaporate, and the salt will dissolve.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A mixture of sand, salt, and iron fillings is stirred into a beaker of water. The mixture is then allowed to settle.

What will separate the iron fillings from the mixture?

• Magnetism

• Filtration

• Flotation

• Sifting

The student observes that the cork floats while the rock sinks in water. What can be concluded from the observation?

• The cork is more dense than the rock and water

• The rock is more dense than the cork and water

• The rock is more dense than the cork but less dense than the water

• The cork is more dense than the water but less dense than the rock

Tags

NGSS.MS-PS1-2

A scientist uses an instrument to study the small particles in a piece of matter. The diagram shows what the scientist sees.

What state of matter is the scientist most likely observing?

• gas

• solid

• liquid

• vapor

Tags

NGSS.MS-PS1-1