Grade 6 Science Worksheets

Learning Objectives

• Explain how uneven solar heating causes air to rise and sink, creating global wind patterns.
• Describe how warm air density changes and how that affects vertical motion in the atmosphere.
• Connect atmospheric circulation to the movement of moisture and the formation of storms.

Learning Objectives

• Define a pure substance versus a mixture and explain why mixtures contain more than one material
• Describe how mixture components can be uniform or nonuniform based on how evenly they are spread
• Match observed mixture features to an appropriate separation technique

Learning Objectives

• Explain how heat transfer changes matter by changing the motion of particles and the temperature.
• Describe how melting, freezing, evaporation, and boiling relate to energy and states of matter.
• Use evidence from everyday observations to predict when a phase change will occur.

Learning Objectives

• Explain how balanced and unbalanced forces affect an object’s motion
• Use the idea of net force to predict changes in speed or direction
• Give real-world examples of forces that balance or change motion

Learning Objectives

• Explain how density links mass and volume to predict whether an object will float or sink
• Use density evidence to compare substances and interpret layers in mixtures
• Make claims supported by measurements or estimates of density

Learning Objectives

• Explain how scientific models use assumptions and evidence to make predictions.
• Identify what a model cannot explain and why that creates limitations.
• Use mismatches between predictions and observations to improve an explanation.

Learning Objectives

• Explain how scientific claims are supported by evidence described as trends, ranges, or matches between expected and observed values.
• Connect evidence to established scientific ideas to form a logical evidence explanation.
• Compare competing explanations by judging which one best fits the evidence.

Learning Objectives

• Explain how tables, bar graphs, and line graphs help organize and interpret numerical and categorical data
• Identify important features of graphs, such as consistent labels, units, and axes, for accurate reading
• Classify observations as numerical or categorical and choose an appropriate representation

Learning Objectives

• Explain how system thinking connects solution parts through inputs, outputs, and pathways.
• Use cause-and-effect reasoning to predict how changes in one component affect overall results.
• Describe how system failures can happen even when one part seems to work well.

Learning Objectives

• Explain how a design problem starts with a need and measurable requirements.
• Identify how sketches, dimensions, performance goals, and constraints guide possible solutions.
• Use safety and budget constraints to evaluate or improve a design.

Learning Objectives

• Explain the main steps of the water cycle and how they move water between Earth systems.
• Describe how water storage in glaciers and groundwater affects freshwater availability over time.
• Use water-cycle vocabulary to predict how land cover and temperature influence infiltration and streamflow.

Learning Objectives

• Explain how Earth’s rotation causes day and night.
• Describe how Earth’s orbit and tilted axis lead to seasonal changes.
• Connect the Moon’s orbit to phases and the recurring monthly pattern.

Learning Objectives

• Explain how erosion and deposition reshape Earth’s surface over time.
• Identify the main agents of erosion (moving water, wind, ice, and gravity) and describe how they move sediment.
• Describe factors that affect erosion and deposition, including slope, rock resistance, vegetation, and water-flow strength.

Learning Objectives

• Explain how the lithosphere, hydrosphere, atmosphere, and biosphere interact as connected Earth systems
• Describe how energy from the Sun drives cycles that move water, gases, and heat
• Use cause-and-effect reasoning to predict how changes in one system can affect other systems

Learning Objectives

• Explain how the respiratory system exchanges gases using diffusion across gas-exchange surfaces.
• Describe how the digestive system breaks food into smaller molecules that can enter circulation.
• Connect coordinated air flow and digestion to energy release in cells.

Learning Objectives

• Explain how predator and prey populations affect each other in an ecosystem
• Describe how prey adaptations can reduce capture and influence survival
• Use cause-and-effect reasoning to predict population changes over time

Learning Objectives

• Explain how decomposers break down dead organisms and waste to return materials to the ecosystem.
• Describe the roles of fungi and bacteria in nutrient cycling within soil and water.
• Connect nutrient availability to ecosystem growth patterns over time.

Learning Objectives

• Explain how competition for limited resources can affect organisms’ survival and population sizes
• Identify traits that influence access to resources, feeding timing, and tolerance to conditions
• Use evidence from examples to distinguish direct competition from indirect effects on community members

Learning Objectives

• Explain how cells form tissues, tissues form organs, and organs form body systems.
• Match body organization levels to their functions in the body.
• Describe how changes at one organization level can affect overall system performance.

Learning Objectives

• Explain how leaf structure supports gas exchange, photosynthesis, and transpiration
• Compare broadleaf deciduous and needlelike conifer leaves in terms of water use and seasonal effects
• Describe how stomatal regulation, leaf area, and chlorophyll influence growth and carbon balance

Learning Objectives

• Describe how systematic sky observations help identify repeating patterns over time.
• Explain how Earth’s rotation and the Moon’s movement affect what we see in the sky.
• Use simple records (sunrise/sunset times, Moon phases, and star positions) to make observational conclusions.

Learning Objectives

• Differentiate independent, dependent, and controlled variables in an investigation.
• Explain why scientists hold control variables constant and use operational definitions.
• Interpret how measurement consistency helps reveal real patterns in environmental data.

Learning Objectives

• Explain the purpose of sampling methods and why samples must represent a larger population or area
• Compare random, stratified, and systematic sampling and describe when each may be useful
• Use sampling choices to predict how strong (or limited) the conclusions from data might be

Learning Objectives

• Identify patterns in time-based and space-based data using visual inspection and descriptive statistics.
• Use moving averages and basic seasonal ideas to smooth noise and reveal long-term changes.
• Explain how anomalies can be detected and why environmental drivers may provide plausible explanations.

Learning Objectives

• Explain what an operational definition is and why it improves clarity in science measurements.
• Identify key components of an operational definition, including units, measurement location, and timing.
• Convert qualitative observations into quantitative measurements using a clear measurement protocol.

Learning Objectives

• Explain what measurement uncertainty means and why measurements can vary.
• Identify common sources of uncertainty in scientific observations and instruments.
• Use simple strategies (repeated measures, ranges, and percent error) to estimate uncertainty.+ Show more

Learning Objectives

• Explain why choosing appropriate units and measurement tools improves the accuracy of collected data.
• Describe how calibration and consistent recording support reliable comparisons over time and location.
• Use measurement tools to collect, organize, and interpret observations in science investigations.

Learning Objectives

• Match data types to the most appropriate graph (line, bar, or scatter plot).
• Choose a suitable scale and axis labels to avoid misleading graph impressions.
• Use annotations to highlight important patterns or relationships in data.

Learning Objectives

• Identify independent, dependent, and controlled variables in a fair test.
• Choose an appropriate control condition and justify it using evidence-based reasons.
• Plan consistent measurement steps so results can be compared and repeated.

Learning Objectives

• Explain how to turn observations into clear scientific claims supported by evidence.
• Summarize patterns in data using descriptive statistics and appropriate visuals.
• Use science communication conventions, including units and citing data sources.

Learning Objectives

• Distinguish between systematic error and random error using examples from science measurements
• Identify how replication, calibration records, and environmental conditions affect the reliability of data
• Explain how errors can change either the average result or the scatter of results+ Show more

Learning Objectives

• Identify key metadata, temporal resolution, and spatial coverage when using digital sources for local environmental inquiry.
• Distinguish between types of digital sources such as datasets, sensors, and satellite-derived remote sensing products.
• Explain how licensing and standardized formats affect data use and comparison across providers.

Learning Objectives

• Identify key parts of a data table, including clear headings and units
• Use consistent time stamps and metadata to make measurements interpretable and reusable
• Distinguish between raw measurements and information needed for later analysis

Learning Objectives

• Use criteria to judge whether a scientific claim is supported by the evidence and methods provided.
• Evaluate relevance, consistency with observed patterns, and uncertainty when assessing claims.
• Match the scope of a claim to the strength and limits of the dataset.+ Show more

Learning Objectives

• Describe key stewardship practices used to care for forests and land in Alberta (e.g., shelterbelts, planting, urban canopy programs, and restoration).
• Explain how stewardship actions help ecosystems by supporting habitat, reducing erosion, and regulating water.
• Connect local land-care choices to broader regional benefits such as carbon storage and healthier landscapes.+ Show more

Learning Objectives

• Explain how species classification groups organisms by their roles in ecosystems (producers, consumers, decomposers).
• Distinguish native species from invasive or pest species and describe how they can affect ecosystem balance.
• Use functional classification to make predictions about energy flow and competitive relationships.

Learning Objectives

• Explain how animals use matter from food to build body parts and grow.
• Describe how animals use energy from food to power life processes.
• Connect how matter enters an animal’s body and how matter leaves as waste or through breathing.

Learning Objectives

• Explain how reproductive structures (flowers, cones, and seeds) support plant reproduction and regeneration
• Describe how seed dispersal mechanisms (wind, animals, gravity) influence colonization patterns
• Compare vegetative propagation with seed-based reproduction using Alberta examples

Learning Objectives

• Explain how organisms compete for limited resources and how that affects survival and reproduction
• Describe how competition can be direct or indirect when organisms share requirements
• Use evidence to predict which species is more likely to persist under different resource conditions

Learning Objectives

• Describe how water moves through a watershed using interconnected pathways shaped by terrain and land cover.
• Explain how gravity, infiltration, and vegetation affect the timing and amount of water moving downstream.
• Connect watershed processes to downstream conditions such as stream flow, erosion, and water quality.

Learning Objectives

• Explain how integrated management balances ecological, economic, and social goals in forest planning.
• Describe how ecosystem-based management, adaptive harvest planning, and monitoring help manage risks like wildfire and mountain pine beetle.
• Use stakeholder collaboration and landscape-scale thinking to support long-term forest resilience.

Learning Objectives

• Describe major human impacts on forests (land conversion, extraction, fragmentation, pollution, and invasive species).
• Explain how these impacts can change habitat connectivity, soil and water quality, and species composition.
• Identify cumulative effects and why they matter for landscape-level planning.

Learning Objectives

• Explain how tree growth rings form and what information they can provide about a tree’s age and growth conditions.
• Describe how ring width and ring density can reflect seasonal moisture, temperature, and disturbances such as drought or insect outbreaks.
• Use dendrochronology methods to infer past environmental and climate patterns from growth ring records.

Learning Objectives

• Identify major forest types and describe how their species composition differs.
• Explain how abiotic factors such as elevation, soil moisture, and fire history affect where forests grow.
• Use forest types to predict likely habitat conditions and ecosystem services.

Learning Objectives

• Explain how energy flows through food webs using trophic relationships (producers, consumers, decomposers).
• Identify how changes in an ecosystem (seasonal changes, migration, invasive species) can affect food web structure.
• Use food-web vocabulary (predator, herbivore, decomposer, energy transfer) to describe trophic interactions.

Learning Objectives

• Describe how different disturbances (fire, insects, windthrow, flooding, and human activity) shape forest structure and succession.
• Explain how frequency, intensity, and spatial extent influence regeneration patterns and habitat mosaics.
• Connect disturbance regime characteristics to long-term ecosystem change under climate and land-use shifts.

Learning Objectives

• Explain how different organisms (trees, understory plants, fungi, and animals) contribute to key ecosystem functions such as nutrient cycling, pollination, and seed dispersal.
• Describe how keystone and indicator species help ecosystems function and how changes to their roles can affect food webs and resilience.
• Use examples from Alberta to connect species interdependence to biodiversity and ecosystem stability.

Learning Objectives

• Explain how the Sun, Earth, and Moon relative positions create Moon phases
• Describe how eclipses happen when the Sun, Earth, and Moon align
• Connect the Moon’s gravity to tides on Earth