Exploring Kinetic to Thermal Energy Conversions

What principle is Dr. Brian Thomas illustrating in his demos?

• Conservation of momentum

• Conservation of mass

• Conservation of energy

• Conservation of charge

Tags

NGSS.MS-PS2-1

What equipment is used in the first demo to show the conversion of kinetic energy into thermal energy?

• A pendulum

• Two colliding steel spheres

• A temperature probe

• A fire syringe

Tags

NGSS.MS-PS3-4

What is the observable result of the first demo with the colliding steel spheres?

• The paper gets crumpled

• The paper gets burned

• The paper gets torn

• The paper gets wet

Tags

NGSS.MS-PS2-1

What additional equipment is required for the second demo?

• A fire syringe

• A pendulum and a ruler

• A temperature probe and Silly Putty

• Two colliding steel spheres

Tags

NGSS.MS-PS2-1

What is the initial equilibrium temperature in the second demo?

• 17.2 degrees C

• 20.5 degrees C

• 19.8 degrees C

• 18.3 degrees C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the observed temperature rise after hitting the Silly Putty with a hammer in the second demo?

• 2.0 degrees C

• 1.0 degrees C

• 1.5 degrees C

• 0.5 degrees C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the main component inside the fire syringe used in the third demo?

• A piece of paper

• A piece of metal

• A piece of rubber

• A piece of cotton ball

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to the cotton ball inside the fire syringe when the air is compressed?

• It gets wet

• It gets torn

• It ignites

• It gets crumpled

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What additional concept can be taught using the fire syringe demo?

• Conservation of momentum

• Thermodynamics of gas compression

• Conservation of mass

• Conservation of charge

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What should be ensured for the fire syringe to work properly?

• There should be a good seal

• The cotton ball should be large

• The air should be cold

• The piston should be loose