Science Week 5 Assessment

The diagram above shows one container with oil and water and another with oil and a cork. Which diagram below shows what most likely would happen if oil, water, and the cork were all put in the same container?

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Tags

NGSS.MS-PS1-2

A teacher gives a student 4 clear sealed containers. Each container holds a different substance. The students record their observations about each substance. Based on these observations, which container most likely holds only gas?

• Container 1

• Container 2

• Container 3

• Container 4

Tags

NGSS.MS-PS1-4

Which one of these is NOT soluble in water?

• oil

• salt

• honey

• sugar

Tags

NGSS.MS-PS1-2

What most likely happened to the liquids in the graduated cylinder?

• The oil will remain on the bottom because there is more of it.

• The oil will rise to the top because it is less dense than water.

• The oil will remain on the bottom because it was poured first.

• The oil will mix with the water and form a solution.

Tags

NGSS.MS-PS1-2

A cook may add more salt to soup before serving it. How does salt change when added to soup?

• The taste of the salt changes.

• The mass of the salt changes.

• The grain size of the salt changes.

• The salt disappears.

Tags

NGSS.MS-PS1-2

Which mixture maintained its physical properties?

• Pebbles and sand, sand and water, water and salt, salt and iron filings.

• Sand and water, water and salt, salt and iron filings

• Pebbles and sand, sand and water, salt and iron filings

• Pebbles and sand, salt and iron filings

Tags

NGSS.MS-PS1-2

A glass of sweetened tea has a mass of 125 g. What could be the mass of the sugar?

• 125 grams

• 15 grams

• 225 grams

• 150 grams

Tags

NGSS.MS-PS1-5

A teacher pours sugar in a glass of tea. After stirring the mixture for a few seconds, the sugar is no longer visible. What is the most reasonable explanation for what happened to the sugar after it was stirred?

• The sugar disappeared in the mixture and formed a solution.
• The sugar dissolved in the mixture and formed a solution.
• The sugar evaporated from the mixture.
• The sugar blends in with the tea making it hard to see.

Tags

NGSS.MS-PS1-4

In an investigation hot water is poured into a clear plastic cup. Another clear plastic cup is placed upside down over the cup of hot water. Which of these is likely to occur during the next three minutes? (3.5C)

• The hot water will become hotter because air and heat are trapped in the top cup.

• The water level will rise in the bottom cup because of evaporation.

• Water droplets will form on the inside of the top cup as the water vapor cools.

• Water from the bottom cup will become solid as the hot water cools.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A student makes a model of the water cycle by using a cup, some water, and plastic wrap. After the student places the model near a sunny window, moisture forms on the inside of the plastic wrap. What change is the student most likely observing in this model? (3.5C)

• Freezing

• Condensation

• The warming of air

• The formation of clouds

Tags

NGSS.MS-ESS2-4