
Curriculum Framework
4th Grade · Science · Open Global Science
1
6 lessons
Cells, Specialized Tissues, and Neural Signaling
Explain cells as the basic unit of life, describe hierarchical biological organization, and model how specialized cells like neurons transmit signals.
2
6 lessons
Classifying Organisms and Dichotomous Keys
Classify plants, animals, and microorganisms using structural traits and build dichotomous keys to identify diverse species.
3
8 lessons
Data Organization, Graphing, and Error Analysis
Learners will organize scientific data across structured tables and visual graphs, detect cause-and-effect patterns, identify experimental errors, and draw valid conclusions.
Public learning track
Cells, Specialized Tissues, and Neural Signaling
Track 1 of 3 · 6 lessons
6 lessons
Goal
Explain cells as the basic unit of life, describe hierarchical biological organization, and model how specialized cells like neurons transmit signals.
Featured Diagrams
The Cell: Structural Basis of Living Organisms
6 lessons
0 of 6 done
- 1The Cell: Structural Basis of Living OrganismsUp nextStart
- 2From Specialized Cells to Tissues: Levels of OrganizationNot started yetStart
- 3From Tissues to Organs and Organ SystemsNot started yetStart
- 4Structure of a Neuron: Cell Body, Dendrites, and AxonNot started yetStart
- 5Modeling Neural Signal Transmission Across the BodyNot started yetStart
- 6Comparing Specialized Cells: Muscle, Nerve, and BloodNot started yetStart
Public learning track
Classifying Organisms and Dichotomous Keys
Track 2 of 3 · 6 lessons
6 lessons
Goal
Classify plants, animals, and microorganisms using structural traits and build dichotomous keys to identify diverse species.
Featured Diagrams
Comparing Microorganisms, Plants, and Animals
6 lessons
0 of 6 done
- 1Comparing Microorganisms, Plants, and AnimalsUp nextStart
- 2Classifying Plants: Flowering versus Non-FloweringNot started yetStart
- 3Classifying Animals: Vertebrates and InvertebratesNot started yetStart
- 4Exploring Microorganisms: Bacteria, Fungi, and ProtistsNot started yetStart
- 5Using Two-Choice Keys to Identify OrganismsNot started yetStart
- 6Building a Two-Choice Key for Local SpeciesNot started yetStart
Public learning track
Data Organization, Graphing, and Error Analysis
Track 3 of 3 · 8 lessons
8 lessons
Goal
Learners will organize scientific data across structured tables and visual graphs, detect cause-and-effect patterns, identify experimental errors, and draw valid conclusions.
Featured Diagrams
Structuring Data Tables with Units and Trials
8 lessons
0 of 8 done
- 1Structuring Data Tables with Units and TrialsUp nextStart
- 2Constructing and Interpreting Bar and Column GraphsNot started yetStart
- 3Plotting Continuous Change on Line GraphsNot started yetStart
- 4Classifying Properties Using Venn DiagramsNot started yetStart
- 5Mapping Sequential Processes with Flow ChartsNot started yetStart
- 6Using Input-Output Tables for Cause and EffectNot started yetStart
- 7Identifying Sources of Experimental and Measurement ErrorNot started yetStart
- 8Formulating Evidence-Based Conclusions from DataNot started yetStart