BFSU Correlation ChartThis curriculum is not affiliated with, endorsed by, or a reproduction of Building Foundations of Scientific Understanding (BFSU) by Bernard Nebel. The correlation chart below is provided to show conceptual alignment between the independent lessons in Foundations of Inquiry Science and the BFSU framework for reference purposes only.

#	FIS	BFSU
1	Organizing Things into Categories	A/B-1	Organizing Things into Categories
2	Solids, Liquids, and Gases	A-2 Pt.1	Solids, Liquids, and Gases and Change with Temperature
3	Gravity Introduction	D-1 Pt.1	Gravity I: The Earth's Gravity; Horizontal and Vertical
4	States of Matter and Temperature Changes	A-2 Pts.2+3	Solids, Liquids, and Gases and Change with Temperature
5	Orbits and Gravity in Space	D-1 Pts.2+3	Gravity I: The Earth's Gravity; Horizontal and Vertical
6	What is Energy?	C-1 Pt.1	Concepts of Energy I: Making Things Go
7	Air is Real	A-3 Pt.1	Air Is a Substance and the Concept of the Atmosphere
8	Energy Transformation	C-1 Pts.2+3	Concepts of Energy I: Making Things Go
9	Air and the Atmosphere	A-3 Pt.2	Air Is a Substance and the Concept of the Atmosphere
10	Distinguishing Living and Nonliving Things	B-2 Pts.1+2+3	Distinguishing Living or Biological, Natural Earth, and Human-Made Things
11	Matter is Made of Particles	A-4 Pt.1	Matter I: Its Particulate Nature
12	Light and Shadows	—	Not covered in BFSU Vol. 1
13	Changes in Particles	A-4 Pts.2+3	Matter I: Its Particulate Nature
14	Technology, Tools, and the Engineering Process	—	Not covered as standalone in BFSU Vol. 1
15	Reversible and Nonreversible Changes	A-2 / A-4 ext.	Solids, Liquids, and Gases / Matter I: Its Particulate Nature
16	Sound and Vibrations	C-2 Pt.1	Sound, Vibrations, and Energy
17	Kinetic and Potential Energy	C-3 Pt.1	Concepts of Energy II: Kinetic and Potential Energy and the Flow of Energy
18	How Sound and Light Travel in Waves	C-2 Pt.2 + original	Sound, Vibrations, and Energy (extended)
19	Plants vs Animals	B-3 Pt.1	The Plant and Animal Kingdoms: Distinguishing between Plants and Animals
20	Energy in the Natural World	C-3 Pt.2 / B-3	Concepts of Energy II / Plant and Animal Kingdoms
21	Categories of Materials	A-5 Pt.1	Distinguishing Materials
22	Where All Food Energy Comes From	B-3 Pt.2 / B-5	Plant and Animal Kingdoms / Adaptations, Food Chains, and Energy Flow
23	Properties of Different Materials	A-5 Pt.2	Distinguishing Materials
24	The Life Cycle Concept	B-4 Pt.1	Life Cycles
25	Understanding Force	C-3A Pt.1	Energy and Force
26	Metamorphosis and Life Cycles	B-4 Pts.2+3	Life Cycles
27	How Force and Energy Work Together	C-3A Pts.2+3	Energy and Force
28	Animal Adaptations	B-5 Pt.1	Concepts of Adaptations, Food Chains, and Energy Flow
29	Reading and Drawing Maps	D-3	Reading and Drawing Maps
30	Food Chains and Energy Flow	B-5 Pt.2	Concepts of Adaptations, Food Chains, and Energy Flow
31	Matter vs Energy	C-4	Concepts of Energy III: Distinguishing between Matter and Energy
32	Identifying Local Plants and Animals	B-4A Pt.1	Identification of Living Things and Why Plants and Animals Live Where They Do
33	Air Pressure	A-6 Pt.1	Matter II: Air Pressure, Vacuums, and the Earth's Atmosphere
34	Habitats	B-4A Pt.2	Identification of Living Things and Why Plants and Animals Live Where They Do
35	Day, Night, and Earth's Rotation	D-2	Day and Night and the Earth's Rotation
36	Compass Directions	D-3A Pt.1	North, East, South, and West
37	Pressure Inside and Outside	A-6 Pt.2	Matter II: Air Pressure, Vacuums, and the Earth's Atmosphere
38	Properties of Magnets	A-5A Pt.1	Magnets and Magnetic Fields
39	Maps and Real-World Directions	D-3A Pt.2	North, East, South, and West
40	Vacuums and Suction	A-6 Pt.3	Matter II: Air Pressure, Vacuums, and the Earth's Atmosphere
41	Magnetic Fields	A-5A Pt.2	Magnets and Magnetic Fields
42	What Is a Species?	B-4B Pt.1	What Is a Species?
43	Earth as a Magnet	A-5A Pt.3	Magnets and Magnetic Fields
44	Variation Within a Species	B-4B Pt.2	What Is a Species?
45	Clouds and Weather Patterns	—	Not covered in BFSU Vol. 1
46	Adaptations for Survival	B-5A Pts.1+2+3	Adaptations and Survival
47	Air as a Mixture of Gases	A-7 Pt.1	Air: A Mixture of Gases (Mixtures and Chemical Reactions)
48	Earth's Landforms	D-4 Pt.1	Land Forms and Major Biomes of the Earth
49	Mixtures vs Chemical Reactions	A-7 Pts.2+3	Air: A Mixture of Gases (Mixtures and Chemical Reactions)
50	Basic Plant Structure	B-10 Pt.1	Plant Science I: Basic Plant Structure and Reproduction
51	Respiration, Photosynthesis, and Air	B-10 Pt.2 / A-7 Pt.4	Plant Science I / Air: A Mixture of Gases
52	How Plants Function	B-10 Pt.3	Plant Science I: Basic Plant Structure and Reproduction
53	Evaporation	A-8 Pt.1	Matter III: Evaporation and Condensation; The Basis of the Water Cycle
54	Plant Reproduction and Seeds	B-10 Pt.4	Plant Science I: Basic Plant Structure and Reproduction
55	Condensation and the Water Cycle	A-8 Pts.2+3	Matter III: Evaporation and Condensation; The Basis of the Water Cycle
56	Seeds and Germination	B-11 Pt.1	Plant Science II: Germination, Seedling Growth, and Responses
57	Biomes and Climate	D-4 Pt.2	Land Forms and Major Biomes of the Earth
58	Seedling Growth and Plant Responses	B-11 Pts.2+3	Plant Science II: Germination, Seedling Growth, and Responses
59	Simple Machines and Work	—	Not covered in BFSU Vol. 1
60	Plants, Soil, and Erosion	B-12 Pts.1+2+3	Plants, Soil, Water, and Erosion
61	Earth's Orbit and Seasons	D-6	Seasonal Changes and the Earth's Orbit
62	Dissolving and Solutions	A-9 Pt.1	Matter IV: Dissolving, Solutions, and Crystallization
63	Introduction to Inertia	C-5 Pt.1	Inertia
64	The Skeleton and How It Works	B-6 Pt.1	How Animals Move I: The Skeleton and Muscle System
65	How Fast Things Fall	D-7 Pt.1	Gravity II: Rate of Fall, Weightlessness in Space, and Distinction between Mass and Weight
66	Solubility	A-9 Pt.2	Matter IV: Dissolving, Solutions, and Crystallization
67	How Muscles Move the Body	B-6 Pt.2	How Animals Move I: The Skeleton and Muscle System
68	Crystallization	A-9 Pt.3	Matter IV: Dissolving, Solutions, and Crystallization
69	Inertia and Energy	C-5 Pt.2	Inertia
70	Weightlessness and Free Fall	D-7 Pt.2	Gravity II: Rate of Fall, Weightlessness in Space, and Distinction between Mass and Weight
71	Vertebrates and Internal Skeletons	B-7 Pt.1	How Animals Move II: Different Body Designs; Major Animal Phyla
72	Nervous System and Movement	B-8	How Animals Move III: Coordinating Body Movements; The Nervous System
73	Mass vs Weight	D-7 Pt.3	Gravity II: Rate of Fall, Weightlessness in Space, and Distinction between Mass and Weight
74	Arthropods and External Skeletons	B-7 Pt.2	How Animals Move II: Different Body Designs; Major Animal Phyla
75	Action and Reaction Forces	C-7	Push Pushes Back
76	Introduction to Friction	C-6 Pt.1	Friction
77	Rocks and Minerals	A-10 Pt.1	Rocks, Minerals, Crystals, Dirt, and Soil
78	Erosion, Sediment, and Fossil Formation	D-8 Pts.1+2	Rocks and Fossils
79	The Digestive System	B-9 ext.	How Animals Move IV: Energy to Run the Body (partial)
80	Crystals and Mineral Structure	A-10 Pt.2	Rocks, Minerals, Crystals, Dirt, and Soil
81	Limestone and Fossils	D-8 Pts.3+4	Rocks and Fossils
82	Friction, Heat, and Energy Loss	C-6 Pts.2+3	Friction
83	Soil Composition	A-10 Pt.3 / B-12	Rocks, Minerals, Crystals, Dirt, and Soil / Plants, Soil, Water, and Erosion
84	Time, Sundials, and Earth's Rotation	D-5	Time and the Earth's Turning
85	Sedimentary vs Igneous Rock	D-8 / A-10 Pt.2	Rocks and Fossils / Rocks, Minerals, Crystals, Dirt, and Soil
86	Air and Water Resistance	C-6 Pt.4	Friction
87	Rock Layers and Earth's History	D-8 Pt.4	Rocks and Fossils
88	Body Systems and Energy	B-9 Pts.1+2+3+4	How Animals Move IV: Energy to Run the Body
89	Introduction to Resources	E-1 Pts.1+2	Resources: Developing an Overview
90	Human Resources and Resource Limits	E-1 Pt.3	Resources: Developing an Overview