5.5A, 5.5B, 3.5C

What is the boiling point of water?

• 0°C

• 100°C

• 100°F

• 0°F

What is the freezing point of water?

• 0°C

• 100°F

• 0°F

• 100°C

What is the melting point of water?

• 0°C

• 100°C

• 100°F

• 0°F

Tags

NGSS.MS-PS1-4

Which substance has the most energy?

• A block of ice

• A melting snowball

• The liquid water in a cup

• The water vapor in a cloud

Tags

NGSS.MS-PS1-4

A scientist is studying an unknown substance. When placed in an open, rectangular container, the substance is a rectangle. When placed in an open, triangular container, the substance is a triangle. The substance is which state of matter?

• Definitely gas

• Definitely liquid

• Definitely sold

• Possibly gas or possibly liquid

A student mixed 25 grams of salt and 50 grams of sugar into 500 grams of water. What is the mass of the solution?

• 575 grams

• 75 grams

• 425 grams

• 525 grams

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?

• 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.

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

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

Tags

NGSS.MS-PS1-4

All of the following are solutions EXCEPT...

• salt and water

• sugar and water

• water and oil

• lemon juice and water

A student is given a beaker containing gravel and water. Which of these ways could the student NOT use to separate the gravel from the water?

• Use tweezers

• Boil the mixture to evaporate the water

• Pass a magnet over the mixture

• Pour the mixture through a paper filter

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4