Public learning track
Cells, Specialized Tissues, and Neural Signaling
4th Grade · Science · Open Global Science
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 OrganizationPremiumNot started yet
- 3From Tissues to Organs and Organ SystemsNot started yet
- 4Structure of a Neuron: Cell Body, Dendrites, and AxonNot started yet
- 5Modeling Neural Signal Transmission Across the BodyNot started yet
- 6Comparing Specialized Cells: Muscle, Nerve, and BloodNot started yet
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
Human Organ Systems, Teeth, and Biomechanics
Examine digestive organs and dentition in processing food, and investigate biomechanical forces acting on the skeletal system.
3
6 lessons
Classifying Organisms and Dichotomous Keys
Classify plants, animals, and microorganisms using structural traits and build dichotomous keys to identify diverse species.
4
6 lessons
Ecosystem Energy Flow: Food Chains and Webs
Construct and interpret food chains and food webs to trace the movement of energy and nutrient cycling across habitats.
5
6 lessons
Organism Adaptations and Environmental Change
Analyze structural and behavioral adaptations such as camouflage and mimicry, and evaluate ecosystem responses to environmental shifts.
6
6 lessons
Personal Health, Microbes, and Substance Safety
Evaluate personal and community health factors including microbial roles, exercise physiology, substance risks, and body respect.