Grade 7 Worksheets

Learning Objectives

• Understand different types of species interactions such as competition, predation, mutualism, and parasitism.
• Identify examples of niche partitioning and the role of keystone species in ecosystems.
• Analyze the consequences of changes in interaction networks for community stability and resource availability.+ Show more

Learning Objectives

• Explain the principles of density separation methods such as decanting, flotation, and centrifugation.
• Describe how buoyant force, sedimentation rate, and centrifugal acceleration relate to particle density and size.
• Identify examples where density-based separation techniques are applied in laboratory and industrial contexts.+ Show more

Learning Objectives

• Understand the distribution and types of natural Earth's resources, including water, soil, and minerals.
• Explain the processes of hydrologic systems, groundwater flow, soil formation, and mineral deposits.
• Differentiate between renewable and nonrenewable resources and their geologic controls.+ Show more

Learning Objectives

• Understand different long-term ecological monitoring techniques used in Alberta.
• Describe the importance of standardized sampling protocols and data recording.
• Identify considerations for sampling design, temporal replication, and data quality.+ Show more

Learning Objectives

• Describe energy flow and matter cycling within ecosystems using food chains, food webs, and trophic pyramids.
• Explain the roles of decomposers in nutrient recycling within aquatic and terrestrial systems.
• Analyze how changes in inputs or energy pathways affect community composition and ecosystem processes.+ Show more

Learning Objectives

• Understand the basic concepts of experiment design, including variables and controls.
• Identify the importance of reproducibility, sample size, and safety constraints in experiments.
• Analyze how to establish operational definitions and select appropriate control conditions.+ Show more

Learning Objectives

• Understand how nonliving factors like temperature, light, water, soil, and salinity influence species distribution and ecosystem productivity.
• Explain how gradients and microclimates affect physiological tolerances and seasonal patterns in ecosystems.
• Link abiotic variability to habitat suitability and community composition in terrestrial and aquatic environments.+ Show more

Learning Objectives

• Understand the factors affecting solubility such as temperature, solvent polarity, and pressure.
• Interpret solubility curves and concepts of saturation and supersaturation.
• Analyze examples of solubility in real-world applications like salt water and soft drinks.+ Show more

Learning Objectives

• Describe the classification of mixtures into solutions, colloids, and suspensions with examples.
• Explain the concepts of homogeneous and heterogeneous mixtures based on uniformity and particle size.
• Analyze how particle size and light scattering influence mixture categorization and behavior during separation.+ Show more

Learning Objectives

• Understand how temperature influences material properties such as expansion, contraction, and viscosity.
• Describe phase changes and relate microscopic particle motion to macroscopic effects.
• Analyze real-world examples of thermal effects in engineering and environmental contexts.+ Show more

Learning Objectives

• Understand the mechanisms by which materials reduce heat transfer in buildings.
• Compare common insulating materials based on thermal resistance and thickness.
• Explain concepts of thermal bridging, air leakage, and the role of continuous insulation.+ Show more

Learning Objectives

• Understand the factors affecting thermal conductivity in various materials.
• Compare the conduction mechanisms of metals, ceramics, polymers, and composites.
• Explain how material structures and factors like density, porosity, and moisture influence heat transfer.+ Show more

Learning Objectives

• Understand the roles of various connections and joints in load transfer and structural stability.
• Identify different types of connections such as bolted, welded, and bearing joints and their functions.
• Explain how shear, bearing, and slip occur at connection points.+ Show more

Learning Objectives

• Understand different types of pollutants and their sources.
• Identify pathways of exposure, bioaccumulation, and effects on ecosystems.
• Link pollutant sources to ecological consequences in terrestrial and aquatic systems.+ Show more

Learning Objectives

• Understand the role of solar input and albedo variation in seasonal energy changes.
• Identify processes that influence soil freeze-thaw, snow insulation, and lake stratification.
• Describe radiation, latent, and sensible heat flux pathways involved in seasonal temperature patterns.+ Show more

Learning Objectives

• Understand different types of ecological modelling approaches and their applications.
• Identify the inputs, limitations, and regional examples of ecological models.
• Explain how models help interpret complex ecological data and the importance of validation.

Learning Objectives

• Understand the key intrinsic properties that influence the thermal behavior of materials.
• Compare how different construction materials—fiberglass, spray foam, wood, masonry—affect insulation performance.
• Identify factors like porosity, moisture, and layering that modify material conductivity.+ Show more

Learning Objectives

• Understand the mechanism of heat conduction and particle energy transfer in solids.
• Identify material properties that influence thermal conductivity in structures.
• Explain how contact resistance and material continuity affect temperature distribution in buildings.+ Show more

Learning Objectives

• Understand different physical properties exploited in separation techniques.
• Identify the purpose and process of filtration, decanting, evaporation, and magnetic separation.
• Analyze regional examples of separation techniques and their effectiveness.+ Show more

Learning Objectives

• Define physical changes and identify their signs and indicators.
• Describe examples of physical changes in real-world scenarios.
• Explain the particle behavior involved in physical changes.+ Show more

Learning Objectives

• Understand the classification of matter into pure substances, mixtures, and solutions based on uniformity and measurable properties.
• Identify characteristics of elements and compounds as pure substances with fixed compositions.
• Differentiate between variable composition mixtures and homogeneous solutions.+ Show more

Learning Objectives

• Understand how magma composition and eruption style influence volcanic landforms.
• Identify different types of volcanoes and their formation processes.
• Explain the relationship between tectonic setting and volcanic activity.+ Show more

Learning Objectives

• Explain the fundamentals of engineering design, including problem definition and criteria setting.
• Describe how specification writing and trade-off matrices guide solution development.
• Identify criteria such as materials, cost, and environmental factors in project feasibility.+ Show more

Learning Objectives

• Understand systematic data recording methods including tabular formats and metadata standards.
• Identify proper units, column headings, and timestamp conventions for time-series data.
• Recognize the importance of replication records, sampling frame documentation, and annotated raw data for validation.+ Show more

Learning Objectives

• Understand the differences between pure substances and mixtures.
• Identify characteristic examples of elements, compounds, and mixtures.
• Explain the criteria that classify substances as pure or impure.+ Show more

Learning Objectives

• Understand the key factors that influence material durability over time.
• Identify protective measures used to enhance material lifespan.

Learning Objectives

• Understand how temperature, light, water, soil, and salinity affect species distributions.
• Explain the concepts of gradients, microclimates, and their effects on ecosystems.
• Analyze how abiotic factors interact with biological relationships to shape biodiversity and ecosystem functions.

Learning Objectives

• Understand how human activities such as deforestation and urban expansion impact the environment.
• Learn about scientific methods used to monitor environmental changes, including water quality, remote sensing, and ecological indicators.
• Explore mitigation strategies to reduce human impacts on ecosystems and assess trade-offs among economic development and environmental resilience.+ Show more

Learning Objectives

• Understand the patterns and frequency of various natural hazards like earthquakes, volcanoes, hurricanes, floods, and tsunamis.
• Interpret hazard maps, recurrence intervals, and probabilistic data to assess risk and mitigation strategies.
• Analyze the cascading impacts of natural hazards on infrastructure, ecosystems, and settlements.+ Show more

Learning Objectives

• Explain the cyclic patterns produced by the relative motions of the Sun, Earth, and Moon.
• Identify how observational records and phase sequences provide evidence for predictable solar system patterns.
• Describe how diagrams of orbital geometry and axial tilt explain day-night cycles, lunar phases, and eclipses.+ Show more

Learning Objectives

• Explain the main components of Earth's atmospheric circulation cells and their role in climate.
• Identify major ocean currents and their influence on regional weather patterns.
• Describe how the Coriolis effect impacts wind and ocean current directions.+ Show more

Learning Objectives

• Analyze the significance of stratigraphic sequences and index fossils in dating and correlating fossils.
• Understand the concept of transitional forms and what they reveal about evolutionary lineage.
• Interpret paleontological data to infer macroevolutionary trends such as radiation events and mass extinctions.+ Show more

Learning Objectives

• Understand how geologic processes contribute to the uneven distribution of mineral, energy, and groundwater resources.
• Connect plate tectonics, sedimentation, weathering, and biological activity to the location of natural resources.
• Analyze case studies involving geologic maps and cross sections to identify resource deposits.+ Show more

Learning Objectives

• Describe how different organ systems in multicellular animals work together to support vital functions.
• Explain mechanisms of cooperation such as oxygen transport, nutrient absorption, and waste removal within organ systems.
• Compare the organ system interactions in humans and plants to understand system-level dependencies and feedback.

Learning Objectives

• Understand how uneven solar heating influences regional climate via atmospheric and oceanic circulation.
• Identify key features such as El Niño, monsoons, and wind belts and their causes.
• Explain how topography and ocean currents modify local climates.+ Show more

Learning Objectives

• Identify and describe the main organelles of plant and animal cells.
• Understand the functional roles of key cell organelles such as nucleus, mitochondria, chloroplasts, endoplasmic reticulum, and membranes.
• Compare the organization and specialization of eukaryotic and prokaryotic cells, with examples like leaf mesophyll and muscle cells.

Learning Objectives

• Understand the concept of carrying capacity in ecosystems.
• Identify limiting factors that affect population size.
• Explain what happens when populations exceed carrying capacity.+ Show more

Learning Objectives

• Understand the principles of temperature measurement and the characteristics of different thermometers.
• Learn the Celsius scale conventions, fixed points, and calibration importance.
• Identify sources of measurement uncertainty and environmental influences on temperature readings.+ Show more

Learning Objectives

• Understand the structure and function of mitochondria in energy production.
• Explain the process of cellular respiration and ATP synthesis in mitochondria.
• Identify how mitochondrial activity varies based on cellular energy needs.+ Show more

Learning Objectives

• Understand how nonliving factors like temperature, light, water, soil, and salinity influence species distributions and ecosystems.
• Explain how gradients and microclimate affect organisms' physiological tolerances and seasonal behaviors.
• Relate abiotic variability to habitat suitability and community composition in terrestrial and aquatic environments.+ Show more

Learning Objectives

• Understand the conservation of momentum during collisions.
• Differentiate between elastic and inelastic collisions.
• Apply quantitative principles to analyze real-world collisions.+ Show more

Learning Objectives

• Understand and apply probability concepts to predict genetic variation among offspring.
• Interpret Punnett square outcomes to determine genotype and phenotype ratios.
• Calculate expected proportions of inherited traits in monohybrid crosses.+ Show more

Learning Objectives

• Understand how birth, death, immigration, and emigration influence population size and distribution.
• Identify regional environmental drivers affecting populations such as water availability, fire regimes, and disease outbreaks.
• Analyze how these factors cause fluctuations, extinctions, or expansions of populations.+ Show more

Learning Objectives

• Describe categories of abiotic drivers such as temperature, light, soil, moisture, and pH.
• Explain how abiotic factors create environmental templates for communities.
• Discuss how abiotic variability influences resource distribution and species occurrence.+ Show more

Learning Objectives

• Define key material properties such as density, strength, stiffness, ductility, toughness, and thermal expansion.
• Explain how these properties influence the performance of structural materials in construction.
• Compare common materials—wood, steel, and reinforced concrete—in terms of strength-to-weight ratio, deformation, and failure modes.+ Show more

Learning Objectives

• Understand the concept of urban heat island phenomena and its causes.
• Identify surface materials and urban features that contribute to heat retention.
• Analyze mitigation strategies like urban greenery, cool pavements, and shading.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in extracting and separating bitumen from oil sands.
• Identify the differences between physical separation techniques and chemical treatments in mixture processing.
• Explain the role of density, temperature, and additives in the separation of bitumen.+ Show more

Learning Objectives

• Understand the principles of mechanical separation techniques such as filtration and sedimentation.
• Identify factors affecting filtration efficiency, including pore size and flow behaviour.
• Explore applications of filtration in separating heterogeneous mixtures like suspensions and precipitates.+ Show more