Worksheet 6 Energy System and Energy Flow Diagrams

What is a system schema?

• how the characters scheme in a story

• all objects that are interacting

• system of equations that measure energy

• objects that are near each other

Tags

NGSS.MS-ETS1-1

Energy Pie charts are?

• Quantitative representations of the energy distribution

• Qualitative representations of the energy distribution

• Energy pie charts show recyclable energy benefits

• Add up to 75

Energy Flow Diagrams show?

• Qualitative representations of energy transfer

• Energy transfers within a system

• Energy transfers within, into, or out of a system

• 5 blocks of energy always

Tags

NGSS.MS-LS2-3

If there are 6 blocks of energy in the initial bar chart of an energy flow diagram and only 4 blocks of energy in the final bar chart, what must have happened?

• You lost 2 blocks of energy

• 2 blocks of energy disappeared

• 2 blocks of energy were transferred to the surroundings

• The 2 blocks of energy were converted to mass

Tags

NGSS.MS-PS3-5

If there are 4 blocks of energy in the initial bar chart of an energy flow diagram and 8 blocks of energy in the final bar chart, what must have happened?

• You lost 4 blocks of energy

• 4 blocks of energy appeared

• 4 blocks of energy were transferred into the system

• The 2 blocks of energy were converted to mass

Tags

NGSS.MS-PS3-5

Possible system scheme for #1 could be? More than 1 answer may apply.

• Books-locker-earth

• student-books-locker-earth

• books-locker-earth

• locker-earth

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Assume the system schema is Books-locker-earth. The initial pie chart or bar chart, with books sitting on the floor of the locker, would have what energy?

• 0% Energy

• 100% E_int

• 100% E_g

• 100% E_k

• 50% E_g and 50% E_k

Tags

NGSS.MS-PS3-2

For problem #1 on worksheet 6, what energies make sense to list on your initial energy bar charts, if your system was Books-locker-earth? Assume that the initial energy snapshot is the books at rest and the final snapshot is the books being held in the students hands.

• 0% E initial

• E_ch, E_light, E_int, E_sound

• E_ch, E_k

• E_k, E_int, E_g

Tags

NGSS.MS-PS3-5

For problem #1 on worksheet 6, your system schema is Books-locker-earth? Assume that the initial energy snapshot is the books at rest and the final snapshot is the books being held in the students hands. What would the final bar chart energies represent?

• 0% E final

• E_ch, E_light, E_int, E_sound

• E_g

• E_k, E_int

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

If the book-locker-earth system initially has no energy, how do the books have E_g in the final bar chart

• it just appeared

• it has to do with earth's gravity and the books floating

• the student put energy in

• energy can just be added as needed

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-2