Grade 7 Science Worksheets

Learning Objectives

• Understand the steps involved in the design process from defining requirements to evaluating alternatives.
• Learn how to specify performance objectives and constraints for structural designs.
• Apply decision matrices and sketches to compare different design options.+ Show more

Learning Objectives

• Define and describe key physical properties used to characterize materials.
• Link macroscopic measurements like density, melting point, and electrical conductivity to molecular structure and intermolecular forces.
• Explain how phase-change temperatures and other physical descriptors assist in material classification and selection.

Learning Objectives

• Describe the processes involved in decomposition and nutrient cycling.
• Identify roles of detritivores, fungi, bacteria, and abiotic factors in decomposition.
• Explain carbon and nitrogen transformations during decomposition.+ Show more

Learning Objectives

• Understand the fundamental concepts of solubility and the factors affecting dissolution.
• Identify how temperature, pressure, and solvent polarity influence solubility.
• Interpret solubility curves and understand saturation and supersaturation phenomena.+ Show more

Learning Objectives

• Understand the principles of structural optimization in engineering design.
• Identify key factors such as material efficiency, cost reduction, and functional performance.
• Describe the role of topology and form optimization in reducing weight and cost.+ Show more

Learning Objectives

• Identify different types of adaptations: structural, physiological, and behavioral.
• Understand how environmental pressures influence adaptation traits.
• Relate adaptation traits to specific habitats such as wetlands, forests, and open meadows.+ Show more

Learning Objectives

• Understand the classification of mixtures into solutions, colloids, and suspensions.
• Identify examples of different mixture types based on their properties.
• Describe the factors that distinguish homogeneous and heterogeneous mixtures.+ Show more

Learning Objectives

• Explain the principles of density-driven separation techniques such as decanting, floatation, and centrifugation.
• Identify examples of density separation methods like oil-water separation and blood fractionation.
• Understand how buoyant force, sedimentation rate, and centrifugal acceleration relate to particle size and density.+ Show more

Learning Objectives

• Understand the mechanisms by which various materials reduce heat transfer in buildings.
• Identify different insulating materials and compare their thermal resistance and practical usage.
• Explain concepts such as thermal bridging, air leakage, and continuous insulation in building design.+ Show more

Learning Objectives

• Understand the principles of simple distillation and how it separates miscible liquids based on boiling points.
• Explain the concepts of vapor pressure, boiling point differences, and condensation in the distillation process.
• Identify practical applications of distillation, such as ethanol-water separation, and recognize its limitations.+ Show more

Learning Objectives

• Analyze thermal conductivity variations among metals, ceramics, polymers, and composites.
• Explain how free electrons and lattice vibrations contribute to heat conduction differences.
• Assess how density, porosity, and moisture affect the effective thermal conductivity of materials.+ Show more

Learning Objectives

• Understand the classification of substances into pure substances and mixtures.
• Identify examples of elements, compounds, and mixtures in real-world contexts.
• Recognize the properties that distinguish pure substances from mixtures.+ Show more

Learning Objectives

• Understand the principles of filtration and sedimentation in separating mixtures.
• Identify different types of porous media and their roles in filtration processes.
• Explain the applications and limitations of filtration in material processing.+ Show more

Learning Objectives

• Understand different prototyping approaches including scaled physical models, digital finite-element models, and laboratory load rigs.
• Compare the advantages and limitations of each prototyping method for assessing strength, stiffness, and failure modes.
• Identify instrumentation techniques such as strain gauges and displacement transducers used to quantify structural responses.+ Show more

Learning Objectives

• Understand the concepts of accuracy, precision, and measurement uncertainty.
• Identify sources of systematic and random errors in measurement.
• Learn techniques for estimating and reporting measurement uncertainty.+ Show more

Learning Objectives

• Understand the principles of selecting appropriate graph types for data representation.
• Learn how to construct and interpret various types of graphs such as bar charts, histograms, line graphs, and scatter plots.
• Identify key features like axis scaling, proportional sizing, error bars, and trend lines to accurately read data visualizations.+ Show more

Learning Objectives

• Understand the principles of conceptual and computational modeling in science.
• Identify key practices such as abstraction, assumption recognition, and validation.
• Analyze examples of simple models like population dynamics, fluid flow, and ballistic motion.+ Show more

Learning Objectives

• Understand the principles of ethical reporting and data integrity in scientific practice.
• Identify conventions for effective graphical annotation and peer review processes.
• Recognize the importance of community consultation and responsible data sharing.+ Show more

Learning Objectives

• Understand the systematic approach to hazard identification and risk analysis in laboratory and field environments.
• Interpret safety data sheets and hazard classifications for chemical and biological agents.
• Identify potential electrical and mechanical risks and appropriate mitigation strategies.+ Show more

Learning Objectives

• Understand the key concepts of optimization in design processes.
• Identify and evaluate performance metrics, constraints, and trade-offs.
• Learn methods such as parameter variation and sensitivity analysis to improve performance.+ Show more

Learning Objectives

• Identify common digital tools used for data acquisition, organization, and preliminary analysis.
• Understand formats such as CSV, sampling rates, timestamps, and metadata tags to support data interoperability.
• Evaluate the advantages and limitations of automated logging and data integrity issues.+ Show more

Learning Objectives

• Identify key abiotic factors that influence ecosystems such as temperature, light, soil, moisture, and pH.
• Explain how abiotic factors create environmental templates that determine community composition.
• Describe microhabitats and how abiotic variability affects resource distribution and organismal constraints.+ Show more

Learning Objectives

• Understand the concepts of independent, dependent, and controlled variables.
• Describe how operational definitions help in standardizing measurements.
• Identify sources of confounding and how to minimize bias in experiments.+ Show more

Learning Objectives

• Understand key concepts of descriptive statistics such as mean, median, and mode.
• Interpret measures of dispersion including interquartile range, variance, and the role of outliers.
• Identify and analyze simple graphical summaries of data.+ Show more

Learning Objectives

• Understand the fundamental principles of engineering design, including problem definition, criteria, and constraints.
• Learn how to formulate specifications and evaluate feasible solutions considering materials, costs, and environmental factors.
• Explore the use of trade-off matrices and performance indicators in selecting optimal design concepts.+ Show more

Learning Objectives

• Understand the essential steps involved in scientific inquiry, including question formulation and hypothesis development.
• Recognize the importance of operational definitions, measurement precision, and documentation for reproducibility.
• Learn laboratory safety protocols such as proper use of protective equipment, chemical labeling, and emergency signage.+ Show more

Learning Objectives

• Understand the process of evaporation and crystallization in recovering solutes.
• Identify the factors affecting crystal growth, size, and purity.
• Describe examples of evaporation crystallization like salt production and sugar crystallization.+ Show more

Learning Objectives

• Understand the types of advanced construction materials such as engineered timber, fibre-reinforced polymers, and high-performance concrete.
• Explain how microstructure and manufacturing techniques enhance strength, stiffness, and durability of materials.
• Analyze the trade-offs among cost, fabrication complexity, and performance in using new materials.+ Show more

Learning Objectives

• Understand the differences between elements and compounds based on atomic composition and bonding.
• Identify examples of elements and compounds and describe their characteristic properties.
• Explain how chemical combinations alter properties compared to the constituent elements.

Learning Objectives

• Understand how structural, physiological, and behavioral traits contribute to survival in different environments.
• Identify specific adaptation traits such as cold tolerance, drought resistance, seasonal coat changes, and root architectures.
• Explain the relationship between adaptive traits and environmental pressures in various habitats.+ Show more

Learning Objectives

• Understand the roles of biotic and abiotic components within ecosystems.
• Describe how environmental factors like sunlight, water, and soil influence living organisms.
• Explain cause-and-effect relationships between non-living elements and community patterns across regional landscapes.+ Show more

Learning Objectives

• Understand different methods of measuring biodiversity, including richness, evenness, and habitat heterogeneity.
• Interpret what biodiversity metrics reveal about ecosystem resilience and function.
• Explore the relationship between habitat complexity and species assemblages in Alberta contexts.+ Show more

Learning Objectives

• Understand the concept of ecological modelling and its applications.
• Differentiate between conceptual and quantitative models in ecology.
• Identify the inputs, limitations, and regional examples of ecological models.+ Show more

Learning Objectives

• Understand how different pollutants affect ecosystems and organisms.
• Identify sources and pathways of pollutant exposure in terrestrial and aquatic systems.
• Recognize ecological consequences such as bioaccumulation and food web disruptions.+ Show more

Learning Objectives

• Understand the concept of traditional ecological knowledge and its role in land management.
• Identify how oral histories and place-based knowledge contribute to ecological understanding.
• Explore examples of stewardship and land practices in Alberta communities.+ Show more

Learning Objectives

• Explain the differences between contact and non-contact forces.
• Describe how net force affects the acceleration of an object.
• Identify examples of forces such as friction and gravity in regional contexts.+ Show more

Learning Objectives

• Understand and explain the basic quantities used to describe motion: distance, time, and speed.
• Learn how to accurately record and interpret motion data.
• Calculate average speed from given distance and time.+ Show more

Learning Objectives

• Understand the principles and types of simple machines used in everyday tools.
• Identify how force, effort, and load relate in simple machines like levers and pulleys.
• Calculate mechanical advantage for different simple machines based on geometric relationships.+ Show more

Learning Objectives

• Explain the physical and chemical processes that shape Earth's surface
• Identify the forces driving surface changes such as water flow, wind, glaciers, and gravity
• Describe observable landforms associated with surface processes+ Show more

Learning Objectives

• Identify observable signs of chemical changes such as colour change, gas evolution, and precipitate formation.
• Explain how bond reorganization at the particle level indicates chemical transformations.
• Differentiate between chemical changes and physical changes based on observable evidence.+ Show more

Learning Objectives

• Understand how levers are classified into different classes based on fulcrum placement.
• Explain how pulleys modify effort and direction to achieve mechanical advantage.
• Calculate ideal mechanical advantage using simple arithmetic based on lever arm and pulley systems.+ Show more

Learning Objectives

• Understand how phase changes involve changes in particle energy and structure.
• Explain the concepts of latent heat during melting, freezing, evaporation, and condensation.
• Relate microscopic particle interactions to macroscopic energy phenomena in phase changes.+ Show more

Learning Objectives

• Explain how matter is represented by particles in the particle model.
• Describe how particle arrangement and motion relate to the states of matter.
• Understand how microscopic particle interactions explain observable phenomena such as diffusion and condensation.+ Show more

Learning Objectives

• Understand the concept of conservation of mass in chemical reactions.
• Explain how mass is balanced in closed-system reactions.
• Predict product masses based on reactant measurements using mass relationships.+ Show more

Learning Objectives

• Understand the definition of saturation and how it relates to solubility.
• Describe the phenomenon of supersaturation and how it can lead to precipitation.
• Identify real-world examples of saturation and supersaturation conditions.+ Show more

Learning Objectives

• Understand the defining properties of pure substances, including fixed melting and boiling points, density, and reactivity.
• Differentiate between elements and compounds through physical and chemical tests.
• Identify examples of pure substances such as elemental metals and common compounds like calcium carbonate.+ Show more

Learning Objectives

• Understand the principles of calorimetry in measuring energy transfer.
• Explain how temperature changes relate to heat exchange in different scenarios.
• Apply energy conservation equations to real-world thermal processes.+ Show more

Learning Objectives

• Understand how building design integrates orientation, envelope assembly, and mechanical systems to optimize thermal performance across Alberta's climate zones.
• Identify strategies such as passive solar gains, thermal barriers, and heat-recovery ventilation used in sustainable building design.
• Analyze case examples from rural prairie houses and urban developments in Calgary and Edmonton to evaluate performance trade-offs.+ Show more