Energy Bar Charts

What situation describes the initial (i) and final (f) state shown by the energy bar graph.

• A phone falls from a table (i) to the floor (f)

• A ball is thrown straight up (i) into the air (f)

• A car driving on a flat road (i) accelerates (f)

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

What situation describes the initial (i) and final (f) state shown by the energy bar graph.

• A student at the top of a hill (i) bikes down the hill (f)

• A student biking towards a hill (i) pedals up a hill at constant speed (f)

• A student biking on a horizontal road (i) pedals to accelerate (f)

• A student biking on a horizontal road (i) loses velocity due to friction (f)

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What situation describes the initial (i) and final (f) state shown by the energy bar graph.

• A student running to a downhill slip-n-slide (i) slows down as they approach the bottom(f)

• A student running to a downhill slip-n-slide (i) speed up as they approach the bottom (f)

• A student at rest (i) is dragged by their friend down a slip-n-slide

• A student running to a horizontal slip-n-slide (i) has fun slidding to a stop (f)

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which description of motion matches the bar chart?

• A car moves along a level roadway at constant speed

• A baseball player slides into second base coming to a stop

• A ski lift lifts a rider at constant speed from the bottom to the top of a mountain

• Starting from rest a marble rolls down a ramp

Tags

NGSS.MS-PS3-1

An energy bar chart is posted above. Which of the following scenarios could represent the cart?

• A car driving up at hill at constant velocity

• A skydiver falling to the ground at constant velocity after opening their parachute

• A ball rolling down a ramp

• A car applying their brakes on a level surface and coming to a stop

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Based on the graph above would Mechanical Energy be conserved?

• Yes, Mechanical Energy is always conserved

• No, there is external work acting on the system

• No, Mechanical Energy increases

• Yes, the left side is equal to the right side

Tags

NGSS.MS-PS3-5

What is the primary purpose of using energy bar charts in physics?

• To visualize energy transformations

• To calculate the exact amount of energy

• To measure temperature changes

• To determine the speed of an object

Tags

NGSS.MS-PS3-5

In an energy bar chart, which type of energy is typically represented by a horizontal bar?

• Kinetic energy

• Potential energy

• Thermal energy

• Chemical energy

Tags

NGSS.MS-PS3-2

When a ball is thrown upwards, how is the energy transformation represented in an energy bar chart?

• Kinetic energy decreases, potential energy increases

• Potential energy decreases, kinetic energy increases

• Thermal energy increases, chemical energy decreases

• Chemical energy increases, thermal energy decreases

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following scenarios would show a decrease in thermal energy in an energy bar chart?

• A cooling cup of coffee

• A heating iron rod

• A melting ice cube

• A burning candle

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4