UPCAT General Science (Extended) — Machines, Energy & Energy ResourcesConcept Map
If you learn better by seeing ideas connected visually, this concept map of Machines, Energy & Energy Resources is built for you. Every UPCAT General Science (Extended) question draws on these relationships, so building this map mentally is half the battle when you sit for UPCAT 2026.
Exam context
The University of the Philippines College Admission Test is conducted by University of the Philippines and is scheduled for Mid-2026 (announced by UP Admissions). The General Science (Extended) subtest is marked as "Extended coverage for UP Science programs" in the official pattern, and Machines, Energy & Energy Resources appears in position 2nd of 6 in the UPCAT General Science (Extended) review rotation. Passing mark: UPG ≤ 2.2 typical. Recent UPCAT 2026 papers have drawn roughly 20 questions from this subject.
Machines, Energy & Energy Resources - Concept map
Central Concept
Energy and Work Systems
Related Concepts
Concept
Machines
Sub Concepts
- Simple Machines
- Lever
- Wheel and Axle
- Inclined Plane
- Wedge
- Screw
- Pulley
- Compound Machines
- Force Multiplication
- Mechanical Advantage
Relationship To Central
Tools that transform energy to reduce human effort and make work more efficient
Concept
Forms of Energy
Sub Concepts
- Mechanical Energy
- Kinetic Energy
- Potential Energy
- Thermal Energy
- Nuclear Energy
- Chemical Energy
- Electromagnetic Energy
- Sonic Energy
- Gravitational Energy
- Ionization Energy
- Electric Energy
Relationship To Central
Different manifestations of the capacity to do work
Concept
Heat Transfer Methods
Sub Concepts
- Conduction
- Convection
- Radiation
- Conductors
- Insulators
- Convection Currents
- Electromagnetic Radiation
Relationship To Central
Mechanisms by which thermal energy moves from one system to another
Concept
Energy Resources
Sub Concepts
- Renewable Resources
- Non-renewable Resources
- Solar Energy
- Hydroelectric
- Wind Energy
- Geothermal
- Biomass
- Fossil Fuels
- Nuclear Fuel
- Conservation of Energy
Relationship To Central
Sources from which energy can be extracted for human use
Concept Connections
To
Energy Transformation
From
Simple Machines
Strength
strong
Relationship
Convert input force into useful work output with mechanical advantage
To
Thermal Energy
From
Heat Transfer Methods
Strength
strong
Relationship
Mechanisms by which thermal energy moves between objects and systems
To
Energy Conservation
From
Renewable Energy Resources
Strength
strong
Relationship
Sustainable sources that support long-term energy availability
To
Simple Machines
From
Mechanical Energy
Strength
strong
Relationship
Machines manipulate mechanical energy through kinetic and potential energy changes
To
Chemical Energy
From
Fossil Fuels
Strength
strong
Relationship
Store chemical energy that can be released through combustion
To
Electric Energy
From
Nuclear Energy
Strength
moderate
Relationship
Nuclear reactions generate heat that produces electricity through turbines
To
Electromagnetic Energy
From
Solar Energy
Strength
strong
Relationship
Solar power harnesses electromagnetic radiation from the sun
To
Molecular Motion
From
Conduction
Strength
strong
Relationship
Heat transfer occurs through molecular vibrations and collisions
To
Simple Machines
From
Compound Machines
Strength
strong
Relationship
Combinations of multiple simple machines working together
To
Environmental Impact
From
Energy Resources
Strength
moderate
Relationship
Different resources have varying effects on environment and sustainability
To
Thermal Energy
From
Geothermal Energy
Strength
strong
Relationship
Harnesses Earth's internal heat as a thermal energy source
To
Kinetic Energy
From
Wind Energy
Strength
strong
Relationship
Converts kinetic energy of moving air into mechanical then electrical energy
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