25

The graph below shows the motion of a car over time. Which best describes the motion of the car?

• The car is moving at a constant speed.

• The car is decreasing its speed.

• The car is increasing its speed.

• The car is not moving.

Tags

NGSS.MS-PS3-1

The graph below represents a traveling car. What can be determined about the speed at which the car is traveling?

• The car is accelerating.

• The car is slowing down.

• The car is traveling at various speeds.

• The car is traveling at a constant speed.

Tags

NGSS.MS-PS3-1

This graph shows the motion of an object. Which best describes the motion of the object?

• It is sitting still.

• It is moving at a constant speed.

• It continually increases its speed.

• It travels at constant speed and suddenly stops.

Tags

NGSS.MS-PS3-1

Joe rode his bike around town. The graph below shows his position over time. Which best describes Joe’s motion between hours 1 and 2?

• He traveled 0 mph.

• He traveled 0.5 mph.

• He traveled 2 mph.

• He traveled 4 mph.

Tags

NGSS.MS-PS3-1

Carlos and Andrew decided to race each other home from school. The graph below shows the motion of the boys during the race. Which best describes the race?

• Both boys reached the finish line at the same time.

• Andrew won the race because he reached the finish line in a shorter amount of time.

• Carlos won the race because he reached the finish line in a shorter

  amount of time.

• Andrew won the race because he reached the finish line in a longer amount of time.

The graph below shows the motion of a car over time. Which best describes the motion of the car?

• The car is moving at a constant speed.

• The car is decreasing its speed.

• The car is increasing its speed.

• The car is not moving.

Tags

NGSS.MS-PS3-1

The graph below represents a car traveling. Based on the graph, what can be inferred about the speed of the vehicle?

• It is not moving.

• It is slowing down.

• It is traveling at a constant speed.

• It is speeding up.

Tags

NGSS.MS-PS3-1

What is the atomic number of the element with 25 protons?

• 23

• 24

• 25

• 26

Which element has an atomic mass of approximately 25 amu?

• Neon

• Magnesium

• Manganese

• Sodium