Chapter 2 | Intro To Energy

Question 1

Where do we find Energy?

Answer 1

• Heat
• “Organisms” (Bodies)
• Car Wheels
• “Everywhere”

Question 2

What’s the definition of energy?

Answer 2

The capacity to do work and the capacity to produce change

Question 3

What are the different kinds of energy?

Answer 3

1. Mechanical
—> Things That Move
— Objects
— Machines
2. Radiant
— Solar Power
3. Thermal
— Heat
— Absence Of Heat
4. Chemical Energy
— Baking Soda And Vinegar

Question 4

What are we talking about when we talk about Thermal Energy?

Answer 4

We talk about heat or temperature ;

Thermal energy is the random movement of particles that make up a substance

Question 5

What do the bonds between the particles have to do with the movement of particles?

Answer 5

Stronger bonds between particles restrict more movement

Question 6

How is chemical energy stored?

Answer 6

Chemical energy is stored in chemical bonds, and when the bonds are broken, energy is released.

Question 7

What is Mechanical Energy?

Answer 7

It’s energy that results from the interaction of the speed, mass and position of an object.

Question 8

To summarize about Mechanical Energy:

Answer 8

Greater mass and speed means:

• More Energy
• Kinetic Energy

Greater height means:

• More Energy
• More potential