Grade 7 Science Worksheets

Learning Objectives

• Describe the six types of simple machines and their functions.
• Explain how mechanical advantage is calculated and its importance in using simple machines.
• Identify examples of simple machines used in Alberta's farms and loading equipment.+ Show more

Learning Objectives

• Understand how geologic processes influence the distribution of minerals, energy resources, and groundwater.
• Connect plate tectonics, sedimentation, and biological activity to resource locations.
• Analyze the impacts of resource extraction and consider sustainability factors.

Learning Objectives

• Understand the roles of supports, foundations, and load paths in construction.
• Identify how compression, tension, and shear affect different building components.
• Evaluate material properties such as stiffness, strength, and durability when designing structures.+ Show more

Learning Objectives

• Identify observable signs of chemical changes such as colour change, gas evolution, and temperature change.
• Explain at particle level how bonds are broken and formed during a chemical reaction.
• Differentiate between physical and chemical changes based on evidence provided.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in the separation of bitumen from oil sands.
• Identify different separation methods based on mixture properties such as density, particle size, and chemical composition.
• Explain how physical separation and chemical treatment work together in complex mixture processing.+ Show more

Learning Objectives

• Describe human activities that contribute to environmental change, such as deforestation and pollution.
• Identify methods used to monitor and assess environmental impacts, including water-quality indicators and remote sensing.
• Explain mitigation strategies to reduce human impacts, such as policy measures and landscape restoration.+ Show more

Learning Objectives

• Understand the principle of conservation of mass during physical and chemical changes.
• Recognize that total mass remains constant in a closed system during reactions.
• Observe and interpret measurements of mass before and after sealed reactions.+ Show more

Learning Objectives

• Understand the definition and conditions of saturation and supersaturation.
• Identify real-world examples of saturation and supersaturation phenomena.
• Explain the phase change between dissolved and solid states in solutions.+ Show more

Learning Objectives

• Understand the key analytical indicators used to assess the purity of substances.
• Identify various methods for detecting contamination and impurities.
• Compare and contrast techniques such as melting point ranges, conductivity differences, refractive index, and gravimetric residue.+ Show more

Learning Objectives

• Understand the process of heat conduction and how it occurs in solids
• Identify materials with high and low thermal conductivity
• Explain how contact resistance and surface treatments affect heat transfer+ Show more

Learning Objectives

• Understand fundamental digital tools used for data acquisition, organization, and initial analysis.
• Identify common data formats such as CSV, timestamps, and metadata tags, and their roles in data interoperability.
• Learn basic sensor interfaces, spreadsheet functions, and techniques for data cleaning.+ Show more

Learning Objectives

• Understand systematic data recording methods used in scientific research.
• Identify different data structures including categorical and numerical.
• Learn standards for metadata, annotations, and time-series data documentation.+ Show more

Learning Objectives

• Understand the principles of filtration and sedimentation in separating mixtures.
• Identify different pore sizes and their applications in filtration techniques.
• Describe the flow behaviour through porous media and factors affecting it.+ Show more

Learning Objectives

• Understand the different forms of energy and how they interconvert.
• Explain the concept of energy conservation during transformations.
• Identify examples of energy transformations in Alberta's regional systems.+ Show more

Learning Objectives

• Understand how building design strategies enhance thermal performance across Alberta's climate zones.
• Identify passive solar, thermal barriers, and ventilation methods that improve energy efficiency.
• Analyze case examples to evaluate design trade-offs in regional building contexts.+ Show more

Learning Objectives

• Understand the processes of evaporation and controlled crystallization used to recover solutes.
• Identify factors influencing crystal growth, size, and purity, such as evaporation rate and impurities.
• Describe examples like salt production and sugar crystallization.+ Show more

Learning Objectives

• Define and characterize abiotic drivers such as temperature gradients, light availability, soil composition, moisture regimes, and pH.
• Explain how abiotic factors influence resource distribution and physiological constraints within ecosystems.
• Describe microhabitats within ponds, forests, and meadows where abiotic variability impacts organisms and resource availability.+ Show more

Learning Objectives

• Identify the different levels of ecological organization and their properties.
• Explain how patterns at higher levels emerge from lower levels.
• Distinguish between individual organisms, populations, communities, and ecosystems using examples.+ Show more

Learning Objectives

• Define and explain the concept of equilibrium and balanced forces in structures.
• Distinguish between static and dynamic equilibrium in real-world applications.
• Identify graphical representations of force pairs and analyze their implications for safety and durability.+ Show more

Learning Objectives

• Understand the classification of matter into pure substances, mixtures, and solutions.
• Identify properties that distinguish pure substances from mixtures.
• Describe how solutions are homogeneous and the particles disperse at a molecular level.+ Show more

Learning Objectives

• Understand the key factors affecting solubility such as temperature, surface area, pressure, and agitation.
• Identify examples of how solubility varies in natural and practical contexts.
• Analyze how changes in different conditions influence the amount of solute dissolved in a solvent.+ Show more

Learning Objectives

• Understand the principles of mass conservation in chemical and environmental systems.
• Identify practical examples and applications of mass balancing in real-world scenarios.
• Explain how conservation principles are used in waste management and environmental monitoring.+ Show more

Learning Objectives

• Understand the principles of radiant transfer and how it conveys energy through electromagnetic waves.
• Identify factors influencing radiative heating and cooling of surfaces such as landscapes, buildings, and vehicles.
• Explain the roles of surface absorptivity and emissivity in local microclimate variations.+ Show more

Learning Objectives

• Understand the intrinsic properties that influence material thermal behavior.
• Compare common construction materials and their thermal resistance.
• Analyze how porosity, moisture, and layering affect thermal conductivity.+ Show more

Learning Objectives

• Understand the particles' kinetic motion and how it relates to temperature and heat.
• Identify common heat transfer methods: conduction, convection, and radiation.
• Explain how environmental examples like winter heating and snowpack reflectivity demonstrate thermal processes.+ Show more

Learning Objectives

• Explain how energy pathways are traced and modeled in industrial systems.
• Identify different components and representations used in energy flow diagrams.
• Analyze efficiency and loss mechanisms in regional energy systems such as oil sands extraction and hydroelectric plants.+ Show more

Learning Objectives

• Understand the concept of specific heat capacity and its importance in thermal calculations.
• Apply formulas involving mass, specific heat, and temperature change to compute energy transfer.
• Convert units between Joules, kilojoules, grams, and degrees Celsius for thermal calculations.+ Show more

Learning Objectives

• Understand the concepts of independent, dependent, and controlled variables in experiments.
• Identify sources of confounding factors and how to minimize bias in scientific testing.
• Learn the importance of operational definitions, control groups, sampling considerations, and replication for valid causal conclusions.+ Show more

Learning Objectives

• Understand the principles of hazard identification in laboratory and field settings.
• Analyze the different types of risks associated with chemical, biological, electrical, and mechanical hazards.
• Apply appropriate mitigation strategies and control measures to ensure safety and compliance.+ Show more

Learning Objectives

• Understand key descriptive statistics such as mean, median, and mode.
• Explain concepts of dispersion including interquartile range and variance.
• Interpret graphical summaries and confidence intervals.+ Show more

Learning Objectives

• Understand the key concepts of modeling and simulation in science.
• Identify different types of models and their purposes.
• Explain the importance of assumptions, scaling, and validation in modeling.+ Show more

Learning Objectives

• Define morphological, physiological, and behavioral adaptations with grade-appropriate examples.
• Explain how specific traits enhance survival and reproductive success in different environments.
• Distinguish between adaptations and acclimation.+ Show more

Learning Objectives

• Understand the fundamental steps of engineering design processes, including problem framing, criteria, and constraints.
• Learn how to write clear specifications, use trade-off matrices, and evaluate feasibility for materials, costs, and environmental factors.
• Analyze simple mechanical systems and environmental remediation prototypes to see how problem constraints influence solution selection.+ Show more

Learning Objectives

• Understand types of ecological models and their applications.
• Identify the inputs and limitations of ecological modelling.
• Explain regional examples such as watershed nutrient models.+ Show more

Learning Objectives

• Understand the factors influencing migration patterns in animals across landscapes.
• Identify examples of migration in Alberta waterfowl and ungulate populations.
• Explain how timing cues, energetic demands, and connectivity influence migration.+ Show more

Learning Objectives

• Explain diffusion using the particle model and concentration differences
• Describe how mixing occurs without particles stopping or transforming
• Predict how temperature affects the rate of diffusion

Learning Objectives

• Explain how energy is transferred through trophic levels in a food web
• Describe why energy loss limits the number of trophic levels in food chains
• Use the idea of trophic energy transfer efficiency to predict effects on predator populations

Learning Objectives

• Understand the geological processes involved in orogeny and mountain formation.
• Identify the effects of tectonic convergence, crustal deformation, and surface erosion on mountain architecture.
• Describe how different surface processes contribute to shaping mountain landscapes over time.+ Show more

Learning Objectives

• Understand the processes involved in metamorphism of rocks.
• Identify differences between contact and regional metamorphism.
• Recognize mineral alterations and textures resulting from metamorphic reactions.+ Show more

Learning Objectives

• Understand major human-induced alterations to ecosystems such as habitat fragmentation, pollution, and invasive species.
• Identify examples like deforestation and eutrophication and their effects on biodiversity.
• Explain how human activities impact ecosystem services, trophic structures, and community composition.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the different types of biotic interactions such as predation, competition, mutualism, commensalism, and parasitism.
• Analyze how human activities can disrupt natural biotic relationships.
• Explain how changes in one species can impact community structure and biodiversity.+ Show more

Learning Objectives

• Distinguish balanced and unbalanced forces using the idea of net force
• Explain how balanced forces lead to constant velocity and unbalanced forces lead to acceleration
• Use tug-of-war scenarios to predict motion outcomes based on force strength and direction

Learning Objectives

• Classify matter as an element, compound, or mixture based on composition and particle relationships.
• Distinguish homogeneous mixtures from heterogeneous mixtures using observable uniformity or visible parts.
• Use classification to predict what may happen during physical and chemical changes in matter.

Learning Objectives

• Explain how friction and other resistive forces oppose motion
• Describe how surface texture and air resistance affect how quickly objects slow down
• Connect resistive forces to changes in motion and energy during real-world examples

Learning Objectives

• Distinguish physical changes from chemical changes based on whether a new substance forms
• Identify common indicators of chemical change (color change, gas production, precipitate formation, temperature change)
• Classify everyday examples of matter changes as physical or chemical using evidence

Learning Objectives

• Explain how empirical investigations and evidence support scientific explanations
• Evaluate how new data can refine, adjust, or replace scientific models
• Describe uncertainty as a normal part of scientific reasoning and communicate methods transparently+ Show more

Learning Objectives

• Define explanatory models and explain why they are simplified rather than exact replicas of real systems.
• Describe how cause-and-effect mechanisms and energy transfers can be used in explanations based on a model.
• Evaluate a model’s usefulness by comparing how well it matches observations and how accurately it predicts new evidence.