Mixtures & Solutions Review 2

Sandy is making a cherry drink. She adds 15 grams of cherry-drink mix to 100 grams of water. What does Sandy expect the new solution would weigh?

• 150 grams

• 115 grams

• 100 grams

• 85 grams

Tags

NGSS.MS-PS1-5

A student placed a beaker of water near a window in the classroom and recorded the volume of water in the beaker for three weeks. What volume of liquid water was converted to water vapor that entered the air over the three week period?

• 22mL

• 78mL

• 100mL

• 122mL

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

An ice cube is made by dropping water into a mold and placing it in the freezer. After a few hours it becomes a solid. The ice cube can easily be removed from the mold. The following graph was made to compare the weight of the water placed into the mold, as shown. The graph does not show the weight of the ice cube. Which arrow points to the expected weight of the ice cube?

• Arrow W

• Arrow X

• Arrow Y

• Arrow Z

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

A student places 100 grams of water and 50 grams of ice into a beaker. After one hour, the student returns to find the mass of the beaker. Which of the following is the best prediction for the mass of the beaker after the ice has melted into the water?

• 25 grams

• 50 grams

• 100 grams

• 150 grams

Tags

NGSS.MS-PS1-5

Imagine you have a chocolate cake that weighs two pounds. If you slice the cake into twelve slices, what would be the weight of all the slices put together?

• One pound

• Two pounds

• Five pounds

• One tenth of two pounds

Tags

NGSS.MS-PS1-5

Use the chart to answer the question below. A group of students believes the identity of an unknown powder is baking soda. Which of the following will be most helpful in confirming the identity of the powder?

• A. Adding a small amount of vinegar to the powder

• B. Dissolving the powder in a beaker of water

• C. Testing the electrical conductivity of it in a solution

• D. Comparing the color of the powder to other powders

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How does a chemical change affect the mass of an object when burning paper in a contained environment?

• The mass increases due to the formation of new substances.

• The mass decreases as some matter is lost.

• The mass remains the same as matter is conserved.

• The mass fluctuates unpredictably.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A student has a dish with a mass of 72 grams. The student places 12 grams of butter in the dish and melts the butter. Which of the following best describes the mass of the dish and butter together before and after the melting?

• Before: 84g, After: 72g

• Before: 84g, After: 87g

• Before: 84g, After: 84g

• Before: 72g, After: 12g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is an ice cube heavier before or after it melts?

• Before it melts

• After it melts

• The weight remains the same

• It depends on the temperature

Tags

NGSS.MS-PS1-5

If the nuts and raisins pictured were combined, what would the mixture's total mass?

• 2 grams

• 4 grams

• 6 grams

• 8 grams