Week 16:Day 1: 2.3 Transferring thermal energy

What is the SI unit of temperature?

• Kelvin

• Celsius

• Fahrenheit

• Rankine

Which of the following equations represents the kinetic energy of a particle in motion?

How does the motion of particles change as the temperature of a substance increases?

• Particles move slower

• Particles move faster

• Particles stop moving

• Particle motion remains unchanged

Which of the following best describes Kinetic energy in a system?

• Energy due to particles' motion

• Energy stored due to position

• Energy due to temperature

• Energy due to chemical reactions

What is the relationship between thermal energy and temperature?

• Thermal energy is independent of temperature

• Thermal energy decreases as temperature increases

• Thermal energy increases as temperature increases

• Thermal energy is the same as temperature

Which of the following statements is true about the kinetic energy of particles in a gas?

• All particles have the same kinetic energy

• Kinetic energy is higher at lower temperatures

• Kinetic energy is higher at higher temperatures

• Kinetic energy is not affected by temperature

Which of the following is an example of a system with high potential energy?

• A moving car

• A compressed spring

• A hot cup of coffee

• A flowing river

........................measures the average kinetic energy of particles in a substance.

.....................................The total kinetic energy of all particles in a substance.

• Thermal energy, kinetic energy

• Temperature, Kinetic energy

• Temperature . Thermal energy

• Heat, Tempreture