4 Weeks Exam Redo

Two Great Snipe birds are migrating. Both birds have a mass of 100 grams and are flying at 90 kilometers per hour. Bird R is flying 2.0 km above the ground, and Bird Q is flying 2.5 km above the ground. Select TWO correct answers

Based on the information above, what is occurring with Bird R and Bird Q with Kinetic and Potential Energy?

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

According to the above diagram, at what point would the roller coaster car have the greatest kinetic energy?

• 5

• 4

• 3

• 6

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A ball is given a single push up an inclined plane as shown.

Which of the following will NOT change as a result of the unbalanced force of gravity?

• Direction

• Mass

• Speed

• Position

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Mrs. Tucker threaded a string through a straw, blew up a balloon, and taped the balloon to the straw as shown in the diagram above. What will happen when Mrs. Tucker releases air from the neck of the balloon?

Select TWO correct answers

• The balloon and straw will move toward point 2.

• The force of the air leaving the balloon will move it across the string.

• The force of the straw will move the balloon across the string.

• The balloon and straw will not move.

• The balloon and straw will move toward point 1.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The model shows the forces applied when two students push on a box.

Which statement does the model NOT accurately represent?

• The two forces acting on the box are equal.

• The two forces acting on the box are unequal.

• The forces on the box are acting in opposite directions.

• The box will move in the direction of the greater force.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following inclined planes would require the most amount of force to lift a box?

• They all require the same force.

• 
• 
• 

Tags

NGSS.MS-PS2-2

The diagram above shows the projectile motion of a baseball that has left the pitcher's hand. The two motions shown in the diagram combine to form the curved path of the ball, shown by the line labeled R. Which of the following would be the BEST label for the line labeled S?

• gravity

• horizontal velocity

• balanced force

• average speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A rock falls over a waterfall as shown in the diagram. At which point does the rock have the most kinetic energy?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The more height an object gains, the greater its ​​ ​ (a)   energy. As objects lose height, the greater its ​ (b)   energy. Energy ​ (c)   from one object to another.

• kinetic
• potential
• changes
• electric

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A rock that falls off a cliff represents both potential and kinetic energy. Which statement best represents the energy transformation involved in this scenario?

• As the potential energy decreases, the kinetic energy increases.

• As the potential energy increases, the kinetic energy stays the same.

• As the potential energy decreases, the kinetic energy decreases.

• As the potential energy increases, the kinetic energy increases.

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5