1st Semester Final Exam Review

A student is given 2 small, identical ice cubes and places the ice cubes on blocks of two unknown materials. The ice cube on Block #1 melts in 37 seconds. The ice cube on Block #2 melts in 24 seconds. Based on this information, what should the student conclude about the unknown material of the blocks?

• Block #1 has a higher specific heat than Block #2, so it does not conduct heat to the ice cube as well.

• Block #2 has a higher specific heat than Block #1, so it does not conduct heat to the ice cube as well.

• Block #1 has a higher specific heat than Block #2, so it was able to conduct heat to the ice cube more quickly.

• Block #2 has a higher specific heat than Block #1, so it was able to conduct heat to the ice cube more quickly.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

While working on her science fair project, Venus connected a 10 volt battery to a series circuit that contained one light bulb. Venus decided to add one more light bulb to her series circuit creating a higher resistance, but she keeps the battery voltage the same. What will happen to the current?

• It will increase.

• It will decrease.

• It will fluctuate.

• It will remain the same.

What is occurring at the plateaus or flat sections on the heating curve?

• The temperature is decreasing.

• The temperature remains unchanged.

• The temperature is increasing.

• The temperature varies unpredictably.

Tags

NGSS.MS-PS1-4

Jacob is riding his bike down a tall hill. At the top of the hill, he has 2800J of potential energy. At the bottom of the hill, when he is going the fastest, his kinetic energy measures 2650J. Which statement below is true?

• The total amount of energy at the bottom of the hill cannot equal the amount at the top, because some of the energy is destroyed.

• The total amount of energy at the bottom of the hill cannot equal the amount at the top, because some of the energy is gained.

• The total amount of energy at the bottom is equal to the amount at the top, but he gained some energy as he traveled due to a higher speed.

• The total amount of energy at the bottom is equal to the amount at the top, but some energy was converted into other forms due to friction.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A liquid thermometer can be used to test for fevers. When body temperature increases, the liquid inside the thermometer expands and rises to show a higher temperature reading. Which of the following explanations below best describes the changes in thermal energy of the particles during this specific example of heat transfer?

• The tip of the thermometer is heated by radiation from the person’s body. The particles of the thermometer tip then transfer heat by convection through the liquid inside of it. The particles inside the liquid then convect heat causing the warmer particles to slow down, rise, and expand.

• The tip of the thermometer is heated by conduction from the person’s body. The particles of the thermometer tip then transfer heat by convection through the liquid inside of it. The particles inside the liquid then convect heat causing the warmer particles to slow down, rise, and expand.

• The tip of the thermometer is heated by convection with the person’s body. The particles of the thermometer tip then transfer heat by conduction with the liquid inside of it. The particles inside the liquid then conduct heat causing the warmer particles to speed up, rise, and expand.

• The tip of the thermometer is heated by conduction with the person’s body. The particles of the thermometer tip then transfer heat by convection with the liquid inside of it. The particles inside the liquid then convection heat causing the warmer particles to speed up, rise, and expand.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The diagram above shows the setup for an experiment involving a 1000 mL beaker, filled with 500 mL of water, sitting on a burner.

Which best describes the molecular motion of the water particles as the burner supplies heat?

• The molecular motion will increase as less thermal energy is absorbed by conduction and circulated by convection.

• The molecular motion will decrease as less thermal energy is absorbed by conduction and circulated by convection.

• The molecular motion will increase as more thermal energy is absorbed by conduction and circulated by convection.

• The molecular motion will decrease as more thermal energy is absorbed by conduction and circulated by convection.

Tags

NGSS.MS-PS1-4

Michael created the graph shown above to include in his lab report on the motion of an object he had observed for 8.0 seconds. Michael's results show that the object had traveled at a constant speed. Michael decided to predict how far the object had moved after 10 seconds.

What distance in meters should Michael correctly predict the object had traveled after 10 seconds?

• 8 meters

• 10 meters

• 12 meters

• 14 meters

Tags

NGSS.MS-PS3-1

If a large force is exerted on an object, when is no work performed?

• when the object moves

• when the object does not move

• when the power is too large

• when there is no friction

A lever is used to remove a rock from the ground. Which lever shown below has the greatest mechanical advantage?

• 
• 
• 
• 

Tags

NGSS.MS-ETS1-2

The figure above represents the light waves generated by four differently colored bulbs.

Which bulb produces a wave with the highest frequency?

• Bulb A

• Bulb B

• Bulb C

• Bulb D

Tags

NGSS.MS-PS4-1