S2 Final Exam Covering the Bases

Using the spray diagram below of Bobby Witt Jr's hits during this baseball season, how many home runs has he had as of May 5, 2024? Enter a numerical answer.

On the reactants side there are:

​ (a)   atoms of Iron (Fe).​

​ (b)   atoms of Oxygen (O)

​ (c)   atoms of Sulfur (S)

​ (d)   atom of Hydrogen (H)

​ (e)   total atoms on the reactant side

• 15
• 3
• 2
• 6
• 26

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Categorize the following as Chemical Change or Physical Change:

Groups:

(a) Chemical Change

,

(b) Physical Change

• Change of shape

• Unexpected color change

• Gas formed

• Dye

• New substance formed

• Expected temperate change

• Chemical Bonding

• Stain

• Unexpected smell change

Tags

NGSS.MS-PS1-2

Which area would the greatest frictional force be present.

• A

• B

• C

• D

The optimal place on the bat to hit is the CENTER OF PERCUSSION. Which location on the bat is the "sweet spot" to get the best hits.

• A

• B

• C

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS2-2

Where would the applied force be?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Using the chart below, what size bat should a player use who is 4'5 1/2" tall and weighs 130 pounds?

• 29"

• 30"

• 31"

• 32"

A lever is a bar of some sort resting on a fulcrum. A lever helps launch items that a normal human can not throw into the air. A lever is probably the most used simple machine in sports. Which of the following items would be a lever?

• Legs

• Bat

• Grip on the bat

• Turn of the hips

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Typically, why does a baseball travel further than a softball when thrown with the same amount of force? Choose 3.

• The surface area of a softball is greater than a baseball causing an increase in air resistance.

• Gravitational force is increased with the larger mass of the softball

• Gravitational force is increased with the larger mass of the baseball.

• The surface area of softball is greater than a baseball causing a decrease in air resistance.

• Newton's Law #2

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Use the formula to answer the questions: Na₂CO₃

How many total atoms? ​ (a)  

How many elements are present? ​ (b)  

How many atoms of sodium? ​ (c)  

How many atoms of carbon? ​ (d)  

• 6
• 3
• 2
• 1

Tags

NGSS.MS-PS1-1