Resource

Energy Defined

Description:
PBS video covering different types of energy and the need for alternative energy sources.

Related Topics:
1. Energy is a physical quantity that follows precise natural laws.
2. Physical processes on Earth are the result of energy flow through the Earth system.
3. Biological processes depend on energy flow through the Earth system.
5. Energy decisions are influenced by economic, political, environmental, and social factors.
6. The amount of energy used by human society depends on many factors.
4. Various sources of energy are used to power human activities.

Associated Grade Levels:
5-67-89-1011-12Public

Related Sub-Topics

1.1 Energy is a quantity that is transferred from system to system.

1.5 Energy comes in different forms and can be divided into categories.

1.8 Power is a measure of energy transfer rate.

2.5 Movement of matter between reservoirs is driven by Earth’s sources of energy.

2.7 The effects of changes in Earth’s energy system are often not immediately apparent.

3.2 Food is a biofuel used by organisms to acquire energy for internal living processes.

3.6 Humans are part of Earth’s ecosystems and influence energy flow through these systems.

4.1 Humans transfer and transform energy from the environment into forms useful for human endeavors

4.2 Humans use of energy is subject to limits and constraints.

4.4 Humans transport energy from place to place.

4.5 Humans generate electricity in multiple ways.

4.7 Different sources of energy and different ways energy is transformed, transported, and stored.

5.1 Decisions concerning the use of energy resources are made at many levels.

6.1 Conservation of energy has two very different meanings.

6.7 Products and services carry with them embedded energy.

6.8 Amount of energy used can be calculated and monitored.