Resources · Learning tool
Education Concept Tracker
A prerequisite knowledge graph of 1590 learning concepts across 8subjects. Track what you've mastered and see exactly what you're ready to learn next — the topics whose prerequisites you've already met. Built on the Marble Open Skill Taxonomy.
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ScienceFoundational concepts with no prerequisites — the natural entry points into the graph.
- Naming Common Animals
Science · Organisms & Life Processes · unlocks 3 concepts
Identify and name common animals from major groups: fish, amphibians, reptiles, birds, and mammals
- Seasonal changes
Science · Earth's Systems · unlocks 2 concepts
Observe changes across the four seasons and describe weather associated with each season, including how day length varies
- Common Plants & Trees
Science · Organisms & Life Processes · unlocks 1 concept
Identify and name common wild and garden plants, including deciduous and evergreen trees
- States of Matter Vocabulary
Science · Matter & Materials · unlocks 2 concepts
Name and distinguish the three states of matter — solid, liquid, and gas — using properties vocabulary: hard, rigid, runny, flows, keeps its shape, fills its container; use 'change of state' to describe what happens when materials are heated or cooled
- Living Things Vocabulary
Science · Organisms & Life Processes · unlocks 1 concept
Name and use vocabulary for what makes something living — alive, dead, never been alive, movement, nutrition, growth, reproduction, sensitivity, excretion — and apply these terms when classifying objects and explaining why plants and animals count as living things
- What Living Things Need
Science · Organisms & Life Processes · unlocks 6 concepts
Understand what plants and animals (including humans) need to survive: water, food, air, and suitable conditions
- Animals Everywhere
Science · Animals of the World · unlocks 15 concepts
Know that animals live all over the world — on land, in water, and in the air — and that every continent, even icy Antarctica, is home to animals, each suited to the conditions where they live
- Where Are the Poles?
Science · Polar Regions · unlocks 4 concepts
Know that Earth has a North Pole and a South Pole — the two coldest places on the planet — and be able to find them on a globe, understanding that they are at the very top and very bottom of the Earth, as far from the Equator as possible
- What Is a Rainforest?
Science · Rainforests · unlocks 6 concepts
Know that a rainforest is a thick, tall forest found in hot, wet places near the Equator where it rains almost every day, creating a warm, damp environment where plants and animals thrive
- What is a minibeast?
Science · Insects & Minibeasts · unlocks 3 concepts
What is a minibeast? Small creatures without backbones, found in gardens, parks, and woodland. Bug hunts — searching under logs, stones, and leaves using magnifying glasses to observe minibeasts up close.
- What Is the Ocean?
Science · Ocean Life · unlocks 4 concepts
Know that oceans are huge bodies of salt water that cover most of Earth's surface, and that the ocean is home to an enormous number of living things
- Objects vs Materials
Science · Matter & Materials · unlocks 2 concepts
Distinguish between an object and the material from which it is made, understanding that objects can be made from different materials