Page 242 - Science Course 3 (Book 1)

Mo7-L1a: What is Energy? Mo7-L1b: What are the Forms of Energy?

Key Concept Mo7-L1b What are the Forms of Energy?

What is Energy?
KEY CONCEPTS:
In what way are all forms of potential energy the 1. How is energy related to work?
same?
2. What are different forms of energy?

Vocabulary A-Z

Let us learn some vocabulary

Work
the amount of energy used as a force that moves an
object over a distance.
f

F p

Mechanical Energy
SUMMARY sum of the potential energy and the kinetic energy in
a system.
What is Energy?
Energy is the ability to cause change.

The gravitational potential energy between
an object and Earth increases when you lift
the object.

A drawn bow possesses A weightlifter applies a
mechanical energy in the force to cause a barbell to
form of elastic potential be displaced. The barbell
energy. then possesses mechanical
energy - all in the form of
potential energy.

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