Question

Which of the following is typically part of the knowledge base of research and development scientists working on heating devices?(1 point)
Responses

A. marketing strategies

B. engineering rules and principles

C. substances and their properties

D. sales projections

Answer 1

1. What is the best description of thermal energy?
B) Thermal energy is the energy in matter due to the movement of its atoms and/or molecules.

2. An athlete hurts their wrist. They put an ice directly on the wrist. In which direction is the thermal energy moving?
B) The thermal energy is moving from the wrist to the ice pack.

3. What happens when two substances with different temperatures come into contact?
B) Thermal energy is transferred from the warmer substance to the cooler substance.

4. Which is the best description of what happens when thermal energy is removed from a substance?
B) Its particles lose kinetic energy and move more slowly.

5. Which of the following is typically part of the knowledge base of research and development scientists working on heating devices?
A) substances and their properties