Grade 7 Science Worksheets

Learning Objectives

• Explain how integrated systems analysis connects forces, motion, and structural safety when comparing design options.
• Use mechanical advantage and simple reasoning about motion to predict how design changes affect performance.
• Evaluate structural factors such as deflection and safe stress levels under wind, snow, and load conditions.+ Show more

Learning Objectives

• Understand the differences between exponential and logistic population growth models.
• Identify factors that influence population dynamics, including density-dependent and density-independent factors.
• Describe how population models help interpret patterns observed in ecosystems.+ Show more

Learning Objectives

• Define population and explain how it changes over time using births, deaths, immigration, and emigration.
• Describe how population density and distribution patterns can affect interactions within a species.
• Explain how reproductive capacity and survival influence population growth rates.

Learning Objectives

• Explain how chromatography separates mixtures using a stationary phase and a mobile phase.
• Describe how molecular polarity and differential partitioning lead to different migration distances.
• Interpret retention factors (Rf) and use resolution ideas to compare separations.+ Show more

Learning Objectives

• Explain how changes in climate and habitat conditions can affect ecosystem survival and reproduction
• Describe how changes in water quality and pollution can alter growth, mortality, and population size
• Analyze how shifts in key species can change predation, competition, and symbiosis within an ecosystem

Learning Objectives

• Understand the concept of keystone species and their role in ecosystems.
• Identify examples of keystone predators and engineers.
• Explain the impact of removing keystone species on ecological stability.+ Show more

Learning Objectives

• Explain how abiotic factors (sunlight, water, temperature, soil, and topography) influence where organisms can survive
• Describe how biotic interactions (plants, animals, and microbes) respond to changing abiotic conditions
• Use cause-and-effect reasoning to predict how ecosystem patterns differ across regional environmental gradients

Learning Objectives

• Explain how food availability and breeding needs drive seasonal and annual migration patterns.
• Describe how timing cues and energetic demands influence when organisms move between habitats.
• Interpret how migratory connectivity links ecosystems and supports biodiversity across regions.

Learning Objectives

• Explain how energy flows through producers, consumers, and decomposers in a food web
• Describe how organisms are connected through feeding relationships and dependency chains
• Analyze how removing or adding a species can change trophic connections and affect ecosystem stability

Learning Objectives

• Describe how wetlands regulate water at the landscape scale through storage, slow release, and flood buffering.
• Explain how wetlands support ecosystem services through nutrient cycling and filtration.
• Identify how wetland type (e.g., peatlands vs. marshes) relates to different habitats and biological functions.+ Show more

Learning Objectives

• Identify and distinguish mutualism, commensalism, and parasitism using key features
• Explain how symbiosis relationships affect population size, resource use, and survival
• Use examples from Alberta habitats to describe real-world ecological consequences

Learning Objectives

• Explain how biodiversity can be described using richness, evenness, and habitat heterogeneity.
• Interpret what different biodiversity metrics may indicate about ecosystem resilience and ecological function.
• Connect habitat complexity to changes in species assemblages in Alberta-like environments.

Learning Objectives

• Understand how mass conservation principles apply to chemical and environmental systems.
• Identify practical examples of mass balancing in real-world applications.
• Analyze scenarios involving mass accounting in closed or sealed systems.+ Show more

Learning Objectives

• Define morphological, physiological, and behavioral adaptations and identify examples in real organisms.
• Explain how traits improve survival and reproductive success in specific environments.
• Differentiate adaptations from acclimation and describe adaptive trade-offs.+ Show more

Learning Objectives

• Explain how abiotic factors (nonliving conditions) such as temperature, light, and water availability affect where organisms can live.
• Describe how gradients and microclimates create variation in habitat suitability across an ecosystem.
• Use terrestrial and aquatic examples to link abiotic constraints to species distribution and ecosystem productivity.

Learning Objectives

• Explain how energy flows through food chains, food webs, and trophic pyramids
• Describe matter cycling in ecosystems, including the role of decomposers in nutrient recycling
• Compare how changes in inputs or energy pathways can shift community structure and ecosystem processes+ Show more

Learning Objectives

• Explain how birth and death rates and migration affect population size and distribution
• Compare exponential and logistic growth patterns using carrying capacity and limiting factors
• Describe how resources, disease, and competition influence population dynamics and species interactions

Learning Objectives

• Understand the principles of calorimetry and energy transfer measurements.
• Apply calorimetric reasoning to real-world thermal scenarios.
• Interpret energy conservation equations related to heat transfer and temperature change.+ Show more

Learning Objectives

• Understand how to interpret distance–time and speed–time graphs.
• Explain the significance of slope, area under curves, and rate calculations in motion graphs.
• Translate tabulated numerical data into accurate graphical representations.+ Show more

Learning Objectives

• Understand the cyclic patterns produced by the relative motions of the Sun, Earth, and Moon.
• Explain how lunar phases, eclipses, and seasonal changes are caused by orbital geometry and tilt.
• Interpret diagrams of orbital motion and axial tilt to describe day-night cycles.+ Show more

Learning Objectives

• Explain how ecological models use assumptions to simplify complex ecosystem relationships.
• Identify common model inputs and how models are tested using real-world observations.
• Compare conceptual and quantitative modelling approaches and describe their strengths and limits.

Learning Objectives

• Explain how conservation status is assessed using population trends, threat severity, and recovery potential
• Describe how land use, genetic diversity, and habitat connectivity affect a species’ vulnerability
• Interpret conservation evidence to understand regional species persistence

Learning Objectives

• Understand how human activities affect ecosystems and environment.
• Use scientific indicators to monitor environmental changes.
• Evaluate strategies for reducing human impacts on ecosystems.+ Show more

Learning Objectives

• Define net force as the combination of all forces acting on an object.
• Understand how unbalanced forces cause changes in motion.
• Explore the relationship between net force, mass, and acceleration using diagrams and reasoning.+ Show more

Learning Objectives

• Explain how DNA molecules are organized into chromosomes and how they encode genes that influence observable traits.
• Describe the process of chromosome segregation during gamete formation and fusion.
• Understand how genetic variation underpins trait differences such as eye color or structural proteins.+ Show more

Learning Objectives

• Understand how probability models predict genetic variation among offspring.
• Interpret Punnett square outcomes to estimate inheritance ratios.
• Calculate expected genotype and phenotype proportions in monohybrid crosses.+ Show more

Learning Objectives

• Understand the differences between exponential and logistic growth models.
• Describe the effects of density-dependent and density-independent factors on populations.
• Interpret how population models help predict and understand ecological patterns.

Learning Objectives

• Understand how force analysis and structural evaluation contribute to design decision-making.
• Analyze quantitative motion data and mechanical calculations for selecting optimal designs.
• Evaluate design features considering safety and efficiency under regional environmental scenarios.+ Show more

Learning Objectives

• Understand the different types of symbiosis and their defining features.
• Identify examples of mutualism, commensalism, and parasitism in Alberta ecosystems.
• Explain the ecological and evolutionary consequences of symbiotic relationships on populations and resource distribution.+ Show more

Learning Objectives

• Describe how insulation materials reduce heat transfer through conduction, convection, and radiation.
• Compare common insulating materials such as fibreglass, foam, and reflective foils based on their thermal resistance and practical thickness.
• Explain concepts like thermal bridging, air leakage, and the importance of continuous insulation in reducing heat loss.+ Show more

Learning Objectives

• Understand how cellular structures and transport processes work together to maintain homeostasis.
• Identify key mechanisms like transport proteins, membrane pumps, and hormone signaling in regulating nutrient and water balance.
• Explain how disruption at cellular or tissue levels can affect organ function and organism stability.+ Show more

Learning Objectives

• Understand the types and properties of modern construction materials such as engineered timber, fibre-reinforced polymers, and high-performance concrete
• Explain how manufacturing processes and microstructure contribute to material strength, durability, and performance
• Analyze trade-offs among cost, complexity, and performance in using advanced materials for building and infrastructure+ Show more

Learning Objectives

• Explain how long-term ecological monitoring uses standardized sampling to detect ecological trends.
• Compare common monitoring methods such as fixed-site surveys, point counts, remote sensing, and water quality sampling.
• Describe how sampling design and temporal replication improve data quality and interpretation over time.

Learning Objectives

• Understand the fundamental concepts of population and how it is measured.
• Identify factors that influence population size and distribution.
• Explain demographic metrics such as population density and growth rate.+ Show more

Learning Objectives

• Explain how materials reduce heat transfer through conduction, convection, and radiation.
• Compare common insulating materials based on thermal resistance and thickness.
• Describe concepts of thermal bridging, air leakage, and continuous insulation in buildings.+ Show more

Learning Objectives

• Understand how DNA molecules organize into chromosomes and encode genes influencing traits.
• Explain the process of chromosome segregation during gamete formation and fusion.
• Describe how genetic variations in DNA sequences result in trait differences, such as eye color or structural proteins.+ Show more

Learning Objectives

• Understand different types of atomic models and their representations.
• Identify how atomic structure relates to bonding and material properties.
• Distinguish between molecular and extended network structures in materials.+ Show more

Learning Objectives

• Define the primary structural elements involved in load transfer.
• Explain the concept of load paths in structures such as bridges and frames.
• Distinguish between dead loads and live loads and their effects on structures.+ Show more

Learning Objectives

• Explain how structural members respond to different types of loads such as bending, shear, axial force, and torsion.
• Relate the geometry and support conditions of members to their internal force distribution.
• Describe the effects of bending moment and shear force on deflection and serviceability in beams and cantilevers.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in separating mixtures like bitumen from oil sands.
• Identify and differentiate between physical separation techniques and chemical treatments in resource extraction.
• Describe how material classification helps explain mixture behaviors during separation processes.

Learning Objectives

• Explain the principles behind devices that convert energy from one form to another.
• Identify examples of energy transfer and conservation in everyday devices.
• Understand the concept of energy efficiency and dissipative processes in energy transformations.+ Show more

Learning Objectives

• Describe the different types of weathering processes at Earth's surface.
• Identify examples of physical, chemical, and biological weathering.
• Explain how weathering influences landscape development and sediment supply.+ Show more

Learning Objectives

• Identify and describe the organelles in plant and animal cells.
• Explain the functions of nucleus, mitochondria, chloroplasts, endoplasmic reticulum, and membranes.
• Connect cell structure to its role in transportation, synthesis, and compartmentalization.+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Understand how cellular structures and transport processes work together to maintain homeostasis.
• Describe the roles of transport proteins, membrane pumps, and hormone signalling in regulating nutrient, ion, and water levels.
• Explain how disruptions at cellular or tissue levels can affect organ function and organism stability.+ Show more

Learning Objectives

• Explain how relative dating uses rock order and observable relationships to determine which geologic event happened first.
• Use the principles of superposition and cross-cutting relationships to interpret a simple geologic history.
• Justify reasoning by connecting rock features (layers, intrusions, faults) to relative ages.

Learning Objectives

• Understand how different materials behave under compression, tension, and bending in load-bearing structures.
• Compare timber, steel, and reinforced concrete regarding strength, stiffness, and environmental resilience.
• Analyze the influence of material properties on long-term performance and maintenance in cold climates.+ Show more

Learning Objectives

• Explain how solar energy drives seasonal change.
• Use vocabulary such as albedo, sensible heat, and latent heat in context.
• Describe how phase changes and snow cover affect energy budgets.+ Show more