Teacher resources · Grades 1–6
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40 results
“water”
Grade 2 · Earth Science
Water on Earth: Oceans, Rivers, Lakes, Ponds & Ice
Use pictures, labels, captions, and short text to identify water locations and states.
40 min · ~7 min prep · 2 materials
Grade 5 · Earth Science
How Water Moves Underground: Infiltration, Permeability & Aquifers
Model how water infiltrates Earth materials, compare permeability, and explain how groundwater can collect and move through aquifers.
50 min · ~12 min prep · 8 materials
Grade 5 · Earth Science
Where Is Earth's Water?
Use a rounded 100-part model and scaled graphs to describe how Earth's water and freshwater are distributed among major reservoirs.
51 min · ~9 min prep · 6 materials
Grade 6 · Earth Science
The Water Cycle: Driven by Sunlight and Gravity
Build and revise a multi-pathway model of water moving among ocean, land, living things, and atmosphere; distinguish solar-powered phase changes from gravity-driven flows.
50 min · ~12 min prep · 5 materials
Grade 2 · Earth Science
How Water and Wind Change the Land
Observe how water and wind move loose land material, then compare solution designs under matched test conditions.
40 min · ~12 min prep · 6 materials
Grade 2 · Earth Science
Landforms & Bodies of Water
Use pictures, simple maps, and models to identify landforms and bodies of water, show where features are located, and distinguish liquid water from solid ice.
40 min · ~8 min prep · 5 materials
Grade 2 · Earth Science
Soil Properties: Which Material Holds Water Best?
Compare prepared sand, silt-rich soil, and clay-rich soil with equal water tests to describe how different earth materials let water pass through or remain in the sample.
45 min · ~15 min prep · 7 materials
Grade 1 · Life Science
Plant Parts & Their Jobs: Roots, Stems, Leaves & Flowers
Look closely at a whole plant, connect roots, stems, leaves, flowers, and fruits to useful jobs, then use observations from a simple stem-water investigation as evidence.
38 min · ~10 min prep · 6 materials
Grade 2 · Physical Science
Material Properties & Purposes
Test how familiar material samples handle water and bending. Then use the results to choose a material that fits a purpose.
42 min · ~10 min prep · 10 materials
Grade 2 · Life Science
What Do Plants Need to Grow?
Plan and carry out a simple investigation to determine whether plants need sunlight and water to grow.
40 min · ~10 min prep · 6 materials
Grade 1 · Life Science
Animal Body Parts & Functions
Observe external animal parts, connect each structure to a useful function, gather simple evidence, and use one animal idea in a simple design.
35 min · ~8 min prep · 6 materials
Grade 1 · Life Science
Seed to Seedling: How Germination Begins
Observe bean seeds over several days, compare damp and dry setups, and use visible changes to explain what helps germination begin.
40 min · ~12 min prep · 7 materials
Grade 2 · Earth Science
Fast & Slow Changes to Earth
Use several sources to compare Earth events that happen quickly with processes that change the surface slowly over time.
40 min · ~9 min prep · 5 materials
Grade 2 · Earth Science
Weather & Seasons: Patterns We Can Observe
Read simple weather graphs and compare seasons to find patterns in temperature, clouds, rain, snow, and wind while remembering that daily weather can still vary.
40 min · ~8 min prep · 5 materials
Grade 3 · Life Science
Changing Habitats: When a Need Is Missing
Use organism-and-resource evidence to explain why the same habitat change can help some organisms, challenge others, and make survival impossible for others.
50 min · ~12 min prep · 6 materials
Grade 3 · Earth Science
Weather vs. Climate: Finding Patterns in Data
Read tables, pictographs, and bar graphs to find seasonal weather patterns. Then use long-term information to compare climates in two regions.
45 min · ~10 min prep · 6 materials
Grade 5 · Physical Science
Acids & Bases: Properties, Indicators & pH
Use safe indicator evidence to compare acidic, neutral, and basic solutions and interpret the pH scale without relying on taste or touch.
50 min · ~12 min prep · 7 materials
Grade 5 · Earth Science
Earth's Systems Working Together
Classify Earth components and build focused models of interactions between two systems.
55 min · ~10 min prep · 6 materials
Grade 6 · Life Science
Ecosystem Interactions & Resource Availability
Analyze aligned organism, resource, and population records while keeping explanations calibrated to the evidence.
55 min · ~12 min prep · 5 materials
Grade 6 · Life Science
Ecosystem Relationships: Competition, Predation & Mutualism
Compare evidence from woodland, tide-pool and desert examples to identify and predict recurring ecological interaction patterns across different ecosystems.
55 min · ~10 min prep · 4 materials
Grade 6 · Earth Science
Ocean Currents: How Oceans Shape Regional Climate
Use long-term coastal climate evidence and ocean-circulation models to explain how ocean currents can redistribute thermal energy—and why currents are not the sole cause of climate.
55 min · ~12 min prep · 5 materials
Grade 6 · Earth Science
Weather Forecasting: Air Masses, Pressure & Fronts
Collect and interpret weather data to explain how moving air masses and fronts change local conditions and support probabilistic forecasts.
55 min · ~10 min prep · 5 materials
Grade 4 · Earth Science
Rock Layers, Fossils & Past Landscapes
Use relative time and fossil patterns to explain how a landscape changed from earlier land to later water.
45 min · ~10 min prep · 5 materials
Grade 4 · Earth Science
Weathering, Erosion, and Deposition
See how rock breaks down, sediment moves, and material settles. Use measurements from a water-erosion model to explain how Earth's surface changes.
50 min · ~12 min prep · 8 materials
Grade 5 · Life Science
Where Does Plant Growth Come From?
Use mass evidence and models to argue that plant-growth materials come chiefly from air and water.
55 min · ~8 min prep · 4 materials
Grade 6 · Physical Science
Density: Mass, Volume & Floating
Measure mass and volume, calculate density, compare objects with water, and use force evidence to explain why objects sink, float, or approach neutral buoyancy.
55 min · ~12 min prep · 6 materials
Grade 1 · Life Science
Living vs. Nonliving Things
Compare familiar examples and use patterns of needs, growth, and reproduction to tell living things from nonliving things without relying on movement alone.
35 min · ~8 min prep · 5 materials
Grade 1 · Life Science
Plants Respond to Light: Which Way Will a Plant Grow?
Use a sequence of plant observations to notice that a growing plant can bend toward a light source, then plan a simple fair test that changes only the direction of light.
37 min · ~10 min prep · 5 materials
Grade 2 · Physical Science
Heating & Cooling: Changes We Can Reverse
Observe changes caused by heating and cooling, then use evidence to decide whether each change can be reversed.
40 min · ~8 min prep · 5 materials
Grade 2 · Physical Science
Material Change Patterns: What Stays the Same?
Compare paper, foil, and sponge before and after folding, tearing, bending, or wetting to describe observable properties and distinguish a changed object from a completely new material.
45 min · ~10 min prep · 7 materials
Grade 2 · Life Science
Pollination & Seed Dispersal
Observe what moves, test a seed model, and explain how pollen and seeds travel in different ways.
42 min · ~8 min prep · 6 materials
Grade 2 · Physical Science
Solids & Liquids: How Matter Behaves
Move, pour, and compare familiar matter. Watch whether a sample keeps its shape or changes shape to fit a container.
40 min · ~8 min prep · 7 materials
Grade 3 · Life Science
Inherited Traits & Variation
Use plant and animal data to find inherited-trait patterns, variation among similar organisms, and evidence that environmental conditions can influence how traits develop.
45 min · ~8 min prep · 5 materials
Grade 4 · Life Science
Plant & Animal Structures: Form Fits Function
Use diagrams and evidence to explain how internal and external structures help plants and animals survive, grow, behave, and reproduce.
50 min · ~10 min prep · 5 materials
Grade 4 · Physical Science
Waves & Sound
Build and revise qualitative wave models to compare amplitude and wavelength, use physical evidence to reason about wave-caused motion, and explain one limit of a model for sound.
50 min · ~8 min prep · 5 materials
Grade 5 · Physical Science
Conservation of Matter
Measure the same complete setup before and after matter changes form or mixes, then use the data to explain what stayed the same and why a scale reading can change when matter leaves what is being measured.
52 min · ~12 min prep · 8 materials
Grade 5 · Life Science
Food Webs: Matter & Energy in Ecosystems
Build and read food webs to trace how matter and food energy move through an ecosystem. Use arrows carefully and make predictions from direct feeding relationships.
55 min · ~10 min prep · 7 materials
Grade 5 · Physical Science
Mixtures & Solutions: Dissolve, Separate & Recover Matter
Compare mixtures and solutions, use material properties to choose separation methods, and use recovery evidence to decide whether mixing formed a new substance.
55 min · ~15 min prep · 8 materials
Grade 5 · Physical Science
Particles Too Small to See
Use models and observable evidence to explain that matter can be made of particles too small to see directly.
55 min · ~10 min prep · 7 materials
Grade 5 · Physical Science
Physical & Chemical Changes
Compare a familiar physical change with evidence from a safe mixing investigation. Record before-and-after properties, use more than one observation, and make a careful claim about whether new substances formed.
55 min · ~12 min prep · 10 materials