Unit 3 - Thermal Energy

Question 1

Radiant

Answer 1

NRG of elecmagnetic waves (light)

Question 2

Kinetic

Answer 2

• NRG possessed by obj bc of motion
• 1/2 mv^2

Question 3

Potential

Answer 3

NRG stored bc of position/arrangement

Question 4

Elastic Potential

Answer 4

NRG when forced out of shape

Question 5

Chem Potential

Answer 5

NRG in chem bonds (splitting bonds)

Question 6

Nuclear Potential

Answer 6

NRG in nucleus of atom

Question 7

Electrical Potential

Answer 7

NRG w/electric charges

Question 8

Thermal

Answer 8

• NRG w/movement & interactions of particles in obj
• Total Ek + PE of particles in obj
• Temp is a Ek of particles
• Relies on mass, temp, material

Question 9

Sound

Answer 9

NRG in sound waves

Question 10

Work

Answer 10

• Force over distance
• W = F(d)
• W = (Fcos)d

Question 11

Positive & Negative work

Answer 11

• Force in dir of motion, NRG transferred to obj
• Force opp of motion, NRG from obj

Question 12

Mechanical System

Answer 12

Set of obj interacting w/each other

Question 13

Total Mechanical NRG

Answer 13

Ek + all Ep

Question 14

Power

Answer 14

• Rate work is done
• E/t

Question 15

Kinetic Molecular Theory of Matter

Answer 15

Matter are particles in constant motion

Question 16

Heat

Answer 16

NRG transfer from warmer to cooler obj

Question 17

Heat capacity

Answer 17

Et needed to change temp by 1 C/K

Question 18

Specific Heat Capacity

Answer 18

NRG needed to raise 1kg by 1K/C

Question 19

Latent Heat

Answer 19

NRG needed for phase change

Question 20

Specific Latent Heat

Answer 20

NRG needed to melt @ melting point

Question 21

Specific Latent Head of Vaporization

Answer 21

NRG needed to vaporize 1kg @ boiling

Question 22

Thermoelectic

Answer 22

Electricity made from heat

Question 23

Cogeneration

Answer 23

Use of generating station ot make electricity & Et

Question 24

Thermal Plants

Answer 24

1. Water is heated
2. Steam and water seperate
3. Steam heated til hot
4. Drives turbines