8th Grade Spring Benchmark Review- Category 1 and 2

7.7A

The Valdez family traveled from New York City to Washington, DC. They left at 12:00 p.m., traveled 95 miles, and stopped to eat in Philadelphia. They continued driving another 135 miles and arrived in Washington, DC, at 5:00 p.m. What was the family’s average speed?

• A. 19 mph

• B. 27 mph

• C. 46 mph

• D. 230 mph

7.7A

A student is driving her car to college in the fall. It takes 7.5 hours to travel a distance of 338 miles. What is the average speed of the car? Round to the nearest whole number.

• A. 60 miles per hour

• B. 45 miles per hour

• C. 55 miles per hour

• D. 50 miles per hour

7.7A

A train travels west for 3 hours and has a displacement of 135 miles. A second train travels west for 5 hours and has a displacement of 135 miles. Which of the following correctly identifies the similarities between the motion of the two trains?

Select two correct answers. Both trains have the same–

• A. speed
  

• B. distance

• C. time
  

• D. velocity

• E. direction

7.7C

How far did the bicyclist travel from 9:00 to 12:00?

• A. 40 km

• B. 120 km

• C. 0 km

• D. 60 km

7.7C

Three runners ran a 200-meter dash, and data was collected. Which runner’s race includes a portion that was of constant speed?

• a. Runner A
  

• b. Runner B
  

• c. Runner C
  

• d. Runners A and B

Tags

NGSS.MS-PS3-1

7.7C

Three objects are thrown and their speeds graphed. Which of the following answer choices correctly labels Object A’s path?

• A. Getting faster
  

• B. Fast, constant speed
  

• C. Constant speed, at rest, return to start

• D. No motion

Tags

NGSS.MS-PS3-1

6.7B

Two horses pull in opposite directions but together move in the direction shown. Horse 1 pulls with a force of 1560 N. If the net force is 117 N, which of the following measurements must be the force applied by Horse 2?

• A. 1443 N

• B. 1677 N

• C. 1562 N

• D. 1560 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

6.7B

Which of the following statements is true about the net force on the object in the diagram?

• A. The vertical net force is 0 N; the horizontal net force is 65 N to the right.

• B. The vertical net force is 0 N; the horizontal net force is 65 N to the left.

• C. The vertical net force is 65 N to the left; the horizontal net force is 0 N.

• D. The vertical net force is 65 N to the right; the horizontal net force is 0 N.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

6.7B

Which of the following statements is true about the object in the diagram?

• A. The horizontal forces are unbalanced.
  

• B. The horizontal forces are balanced.

• C. The vertical forces are unbalanced.
  

• D. The vertical forces are balanced.

Tags

NGSS.MS-PS2-2

8.7B

Students are creating models of how Newton’s laws of motion can be applied in tectonic plate movement using graham crackers and icing. Which of the following best represents how Newton’s law of acceleration could be represented?

• A. Use two graham crackers of different masses to show that the more mass a plate has, the less it will accelerate.

• B. Use two graham crackers of the same mass to show that for every action, there is an equal and opposite reaction.

• C. Use two graham crackers of the same mass to show that an object at rest will stay at rest unless an unbalanced force act upon it.

• D. Use two graham crackers of different masses to show that the more mass a plate has, the more it will accelerate.

Tags

NGSS.MS-PS2-2