OpenSciEd 8.1

Define Breaking Point

• Energy that does work

• The moment of greatest strain at which someone or something gives way.

• An estimate of where we expect most data would fall

• Change of shape that effects the use of material (ex: bent, cracked, nicked, broken to pieces)

The more _______________________ that objects in a system have, the higher the peak forces they can produce in a collision.

• Stored Energy

• Kinetic Energy

• Sleeping Energy

• Failed Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If a batter can apply the same amount of maximum force from their hands to each bat to swing it, why would the speed of the bat swing decrease as the mass of the bat increases?

• Because Mass adds to force, Tte heavier the bat, the faster it will swing

• If the bat is heavier, more energy is used to move the bat, leaving lesson energy to go into the speed

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Use the data from the tables (and charts) above to determine which has a bigger effect on speed of the ball after it is hit

•  Increases in the mass of a bat has a bigger effect on speed of the ball after it is hit

•  Increases in the swing speed of a bat has a bigger effect on speed of the ball after it is hit

Tags

NGSS.MS-PS3-1

How many pitches (or trials) were observed for this experiment?

• 1

• 2

• 3

• 4

What is the Independent Variable?

• Final Pitch Speed (mph)

• Point B

• Baseball Color

• Wind Speed (mph)

What is the Dependent Variable?

• Final Pitch Speed (mph)

• Point B

• Baseball Color

• Wind Speed (mph)

Tags

NGSS.MS-ESS2-5

If all three pitches (A, B, and C) had equal amounts of KE when they left the pitcher's hand, would they all have the same amount of KE when they reach home plate?

• Yes, because they all end at home plate

• No, because they have different forces acting on them

• Yes, because they start with the same amount of KE

• There is not enough information to answer this question

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If all three pitches (A, B, and C) had equal amounts of KE when they left the pitcher's hand, which pitch will have the highest amount of KE left when it gets to home plate?

• Pitch A, because it has the most amount of Force from the wind acting against it

• Pitch A, because it has the least amount of Force from the wind acting against it

• Pitch C, because it has the most amount of Force from the wind acting against it

• Pitch CA, because it has the least amount of Force from the wind acting against it

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If all three pitches (A, B, and C) had equal amounts of KE when they left the pitcher's hand, which pitch will have the lowest amount of KE left when it gets to home plate?

• Pitch A, because it has the most amount of Force from the wind acting against it

• Pitch A, because it has the least amount of Force from the wind acting against it

• Pitch C, because it has the most amount of Force from the wind acting against it

• Pitch C, because it has the least amount of Force from the wind acting against it

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2