Grade 7 Worksheets

Learning Objectives

• Trace the causes and diffusion of technological inventions across history.
• Identify factors that enable invention, such as needs, materials, and incremental improvements.
• Differentiate between invention and innovation through historical examples.+ Show more

Learning Objectives

• Understand how different materials perform under compression, tension, and bending.
• Compare timber, structural steel, and reinforced concrete in load-bearing applications.
• Analyze environmental effects on material durability in cold climates such as Alberta.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Describe how mass remains constant in a sealed system during reactions.
• Explain observations of sealed-container reactions that demonstrate mass conservation.+ Show more

Learning Objectives

• Understand how to construct and interpret free-body diagrams for various objects and situations.
• Learn vector addition techniques to determine net force magnitude and direction on objects.
• Decompose forces on inclined surfaces into perpendicular components and combine them algebraically.+ Show more

Learning Objectives

• Understand the defining properties of pure substances such as fixed melting points, density, and reactivity.
• Differentiate between elements and compounds through physical and chemical tests.
• Identify real-world examples of pure substances from local sources and common compounds.+ Show more

Learning Objectives

• Understand how physical forces and properties change when prototypes are scaled to full size.
• Explain the concepts of square-cube law, surface-to-volume ratio, and Reynolds number in relation to scaling.
• Analyze examples such as models, turbines, and animal physiology to predict performance differences.+ Show more

Learning Objectives

• Understand the key concepts of distance, time, and speed in motion measurement.
• Calculate average speed using distance and time data accurately.
• Identify common sources of measurement error in motion data.+ Show more

Learning Objectives

• Analyze how force understanding impacts mechanical system design.
• Evaluate structural stability and safety considerations for regional applications.
• Compare alternative design solutions based on multiple criteria including material choice and mechanical advantage.+ Show more

Learning Objectives

• Understand the principles of levers and pulleys and how they modify effort and direction.
• Explain torque, fulcrum placement, and mechanical advantage calculations.
• Identify examples of lever classes and pulley systems used in rural settings.+ Show more

Learning Objectives

• Understand how inclined planes reduce the force needed to move loads.
• Identify components of force parallel and perpendicular to an inclined plane.
• Calculate mechanical advantage of inclined planes based on input force and load.+ Show more

Learning Objectives

• Explain the concepts of static and kinetic friction with examples.
• Describe how surface texture and normal force affect friction.
• Analyze how aerodynamic drag influences motion in real-world scenarios.+ Show more

Learning Objectives

• Define physical change and identify its key indicators.
• Explain how particle behavior relates to observable signs of physical changes.
• Differentiate between physical and chemical changes based on physical signs.+ Show more

Learning Objectives

• Identify different observable indicators of chemical reactions, such as gas production, color change, heat exchange, and precipitate formation.
• Describe how reaction types and extents can be contextualized through qualitative observations.
• Connect reaction observations to underlying particle interactions and mass changes.+ Show more

Learning Objectives

• Understand the concept of equilibrium and static balance in structures.
• Identify and describe examples of static and dynamic equilibrium.
• Graphically represent force pairs and analyze their effects on objects.+ Show more

Learning Objectives

• Understand the concept of saturation and how it relates to solubility limits.
• Identify conditions that lead to supersaturation and phase change.
• Recognize regional examples of saturation phenomena, such as evaporation and crystallization.+ Show more

Learning Objectives

• Explain how matter and energy move among the geosphere, hydrosphere, atmosphere, and biosphere.
• Describe how changes in one Earth system can cause changes in another system.
• Use evidence to support claims about Earth system interactions and their effects on landforms, ecosystems, and water availability.

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

• Explain how latitude affects the angle of incoming sunlight and leads to regional temperature differences
• Describe how elevation, distance from water, and ocean currents influence climate and precipitation
• Use climate driver concepts to interpret how deserts, rain forests, and seasonal weather patterns form

Learning Objectives

• Explain what air masses are and how their temperature and moisture properties affect weather.
• Describe how fronts form when air masses with different properties meet.
• Compare typical weather changes caused by cold fronts versus warm fronts.+ Show more

Learning Objectives

• Understand the key concepts of beam performance including bending, shear, and deflection.
• Relate support conditions, span, and load types to real-world structural examples.
• Evaluate criteria such as span-to-depth ratios and material stiffness for structural stability.+ Show more

Learning Objectives

• Explain the difference between genotype and phenotype in terms of genes and observable traits.
• Describe how dominance and recessiveness help determine phenotypes from genotype combinations.
• Predict possible phenotypes using given alleles and simple genotype information.

Learning Objectives

• Explain how births, deaths, immigration, and emigration affect population size over time
• Identify limiting factors and predict how they influence population growth
• Use predator–prey relationships to describe how populations can fluctuate (oscillate)+ Show more

Learning Objectives

• Explain how natural selection depends on heritable variation and differential survival and reproduction
• Describe how trait frequencies in a population can change over many generations
• Distinguish natural selection from individual organisms “trying” to adapt during their lifetime+ Show more

Learning Objectives

• Explain how meiosis produces genetic variation through chromosome segregation and independent assortment
• Compare meiosis outcomes to mitosis in terms of chromosome number and genetic similarity
• Use vocabulary related to meiosis (homologous chromosomes, crossing over, gametes, alleles) to describe variation and inheritance+ Show more

Learning Objectives

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

Learning Objectives

• Describe how potential and kinetic energy are linked through energy transfer in mechanical systems.
• Explain how elevation, mass, and speed influence mechanical energy in real-world contexts.
• Interpret qualitative conversions between potential and kinetic energy during motion.+ Show more

Learning Objectives

• Understand how abiotic factors such as temperature, moisture, light, soil nutrients, and pH influence species distribution and population dynamics.
• Recognize the effects of seasonal and daily fluctuations on environmental stress and opportunities for organisms.
• Explain how extreme events impact population resilience and survival in ecosystems.+ Show more

Learning Objectives

• Define and differentiate among mutualism, commensalism, and parasitism.
• Identify Alberta-relevant examples of inter-species relationships.
• Explain ecological consequences of different symbiosis types on populations and habitats.+ Show more

Learning Objectives

• Understand how solution concentration quantifies the amount of solute relative to solvent.
• Recognize common measures of concentration such as mass percent and grams per litre.
• Explain the effects of concentration on physical properties like boiling point and freezing point.+ Show more

Learning Objectives

• Explain the concept of mechanical energy and how it is conserved in ideal systems.
• Describe how energy transfers among system components in phenomena like pendulums and springs.
• Identify real-world examples of mechanical energy and explain the role of energy loss to non-mechanical forms.+ Show more

Learning Objectives

• Understand the basic concepts of speed, velocity, and acceleration in motion.
• Distinguish between scalar and vector quantities related to motion.
• Interpret motion scenarios qualitatively and relate them to displacement, time, and rate of change.

Learning Objectives

• Understand the core principles of Newton's three laws of motion.
• Identify real-world examples illustrating inertia, acceleration, and action–reaction pairs.
• Explain how mass, force, and motion are related through qualitative relationships.+ Show more

Learning Objectives

• Interpret distance–time and velocity–time graphs to describe motion patterns.
• Identify examples of uniform motion, acceleration, deceleration, and rest from graphs.
• Relate slopes to speed and analyze areas under velocity curves for displacement.+ Show more

Learning Objectives

• Describe the hydrological, chemical, and biological functions of wetlands.
• Identify examples of how wetlands support biodiversity and ecosystem services.
• Explain the functional differences among wetland types such as peatlands and marshes.+ Show more

Learning Objectives

• Understand how temperature influences the solubility of solids and gases in liquids.
• Identify the effects of surface area and agitation on the rate of dissolution.
• Explore how pressure impacts the solubility of gases in liquids under different conditions.+ Show more

Learning Objectives

• Understand how birth and death rates influence population size.
• Explore how immigration and emigration impact population distribution.
• Identify regional drivers affecting population fluctuations and biodiversity.+ Show more

Learning Objectives

• Understand the concept and importance of ecological models in environmental science.
• Identify different types of modelling approaches and their applications.
• Recognize regional examples of ecological models and their significance.+ Show more

Learning Objectives

• Explain how energy is transferred through conduction in solids.
• Identify materials with high and low thermal conductivity and their applications.
• Describe the effects of contact resistance and surface treatments on heat flow in structures.+ Show more

Learning Objectives

• Explain the principles of calorimetry and how temperature changes relate to energy exchange.
• Apply energy conservation equations to quantitative heat transfer calculations.
• Describe real-world scenarios involving calorimetric reasoning in thermal performance of materials.

Learning Objectives

• Describe basic types of pollutants affecting terrestrial and aquatic ecosystems.
• Explain how pollutants travel pathways lead to bioaccumulation and community impacts.
• Identify measurable ecological effects caused by different pollutants.+ Show more

Learning Objectives

• Understand different methods used in ecological monitoring.
• Identify the importance of data consistency and data quality in long-term studies.
• Describe various sampling techniques such as fixed-site surveys, point counts, remote sensing, and water quality sampling.

Learning Objectives

• Understand the concept of food webs and how energy transfers through ecosystems.
• Identify roles of producers, consumers, and decomposers within a regional ecological context.
• Analyze how changes in species populations can affect the stability of food webs.+ Show more

Learning Objectives

• Understand the various forms of energy and how they interconvert during processes.
• Recognize examples of energy transformation in Alberta's regional resources.
• Explain the principle of energy conservation during transformations.+ Show more

Learning Objectives

• Understand the concept of specific heat capacity and its units.
• Perform calculations involving mass, specific heat, and temperature change to find energy in Joules or kilojoules.
• Interpret tabular data of thermal properties for different materials.+ Show more

Learning Objectives

• Understand the drivers and timing of animal migration across landscapes.
• Describe how migration connects ecosystems and supports biodiversity.
• Identify examples of migration in Alberta, including waterfowl flyways and ungulate movements.+ Show more

Learning Objectives

• Understand the role of oral histories and land-use practices in traditional ecological knowledge.
• Identify examples of species interactions and habitat indicators used by Indigenous communities.
• Recognize the importance of integrating different knowledge systems to interpret environmental patterns.+ Show more

Learning Objectives

• Understand how material properties influence heat flow.
• Identify regional examples of insulation techniques in Alberta.
• Determine the significance of R-values and thermal bridges in building design.+ Show more

Learning Objectives

• Describe the different levels of ecological organization from individual organisms to ecosystems.
• Explain how properties and processes emerge at higher levels that are not evident at individual levels.
• Use Alberta examples to differentiate among levels such as individual trout, trout populations, communities, and ecosystems.