Grade 7 Worksheets

Learning Objectives

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

Learning Objectives

• Explain how habitat alteration, pollution, resource extraction, and non-native species can affect ecosystems.
• Describe consequences of human impacts for species composition, ecosystem functions, and long-term resilience.
• Identify stewardship principles such as mitigation, habitat protection, restoration priorities, and evidence-based monitoring.

Learning Objectives

• Describe how chemical properties affect reactions during chemical changes.
• Identify observable evidence (gas, color change, precipitate, rust) linked to chemical processes.
• Explain how reactivity with acids and bases and pH changes can guide material use and separation choices.+ Show more

Learning Objectives

• Explain how protons, neutrons, and electrons determine atomic number, mass number, and element identity
• Describe isotopes and relate isotopic variation to differences in mass number while keeping atomic number the same
• Use simple electron arrangements and historical atomic models to understand patterns in periodic trends+ Show more

Learning Objectives

• Explain how square-cube relationships change forces and heat transfer when an object is scaled up or down
• Use surface-to-volume reasoning to predict how scaling affects resistance and thermal behavior
• Describe how Reynolds number implications can change fluid flow behavior at different scales

Learning Objectives

• Distinguish between physical and chemical properties and explain how each can be used to classify substances.
• Use measurable, observable properties (density, solubility, hardness, conductivity, magnetism, flammability) to support classification of elements, compounds, and mixtures.
• Describe how practical tests (magnetic separation, solubility tests, conductivity trials) help identify unknown samples.

Learning Objectives

• Explain how friction and gravity affect an object’s motion using sliding blocks, inclined planes, and free-fall examples
• Identify the difference between contact forces (such as normal force and friction) and long-range forces (such as gravity)
• Describe how surface roughness changes resistance and how changing slope angle changes apparent weight and motion

Learning Objectives

• Identify how standardized conventions improve clarity in technical drawings, schematics, and documentation
• Use correct terminology for orthographic drawings, isometric drawings, schematic symbols, labels, tolerances, and units
• Explain how labels and specification documents support replication and evaluation by multiple disciplines

Learning Objectives

• Identify major ways humans alter ecosystems, including habitat fragmentation, pollution, and invasive species.
• Explain how human changes to abiotic conditions can shift biodiversity, food webs, and ecosystem services.
• Describe mitigation and restoration strategies and how they can influence ecosystem recovery over time.

Learning Objectives

• Analyze short-term and long-term impacts of technology on society, the economy, and the environment
• Explain how resource consumption, waste generation, and employment shifts can result from technology changes
• Evaluate trade-offs using ethical considerations and cost-benefit reasoning, including unintended outcomes

Learning Objectives

• Explain how applied loads create internal forces (bending moment, shear force, axial force, and torsion) in structural members.
• Describe how beam and cantilever support conditions affect deflection and serviceability.
• Compare bending- and shear-dominated members with axial-dominated members such as columns and truss bars.

Learning Objectives

• Identify primary and secondary load paths in structures and explain why redundancy matters
• Describe how openings, re-entrant corners, and irregular geometry affect load redistribution
• Explain how diaphragms, shear walls, and moment frames change stiffness and force routes

Learning Objectives

• Explain solubility, saturation, and supersaturation using solubility curves and real-life examples.
• Describe how temperature and solvent polarity affect the dissolution of solids and liquids.
• Predict how gas solubility changes with temperature and pressure using Henry’s law ideas.+ Show more

Learning Objectives

• Explain how exponential growth differs from logistic growth in real populations
• Identify limiting factors and distinguish density-dependent from density-independent influences
• Interpret population curves and relate curve patterns to resource limits and environmental variability

Learning Objectives

• Explain how connections and joints help create continuous load paths in trusses and frames.
• Compare bolted, welded, and bearing connections based on how they transfer shear, bearing, and slip.
• Describe how gusset plates and base plates distribute concentrated forces to improve stiffness and reduce failure risk.+ Show more

Learning Objectives

• Explain how evaporation can lead to supersaturation and nucleation during crystallization
• Describe how nucleation and crystal growth affect crystal size and crystal shape
• Evaluate how cooling profiles and impurities influence crystal purity and yield+ Show more

Learning Objectives

• Explain how chromatography separates molecules using the mobile phase and stationary phase
• Describe how polarity and molecular interactions affect how far substances travel
• Use retention factor (Rf) ideas to interpret chromatograms and compare to reference substances+ Show more

Learning Objectives

• Understand the particle model as a representation of matter composed of atoms and molecules.
• Explain how chemical changes involve breaking and forming bonds between particles without changing mass.
• Visualize and describe particle interactions during chemical reactions to explain conservation of mass.

Learning Objectives

• Identify the main factors that influence solubility in liquids and gases.
• Explain how temperature, pressure, and surface area affect the amount of solute dissolved.
• Describe real-world examples demonstrating the impact of solubility factors.

Learning Objectives

• Understand and identify various measurable physical properties such as density, melting point, boiling point, color, hardness, solubility, and electrical conductivity.
• Explain how physical properties are used to identify and sort substances.
• Compare different physical properties and describe their significance in material selection and separation processes.

Learning Objectives

• Understand the roles of producers and consumers in an ecosystem.
• Explain how energy transfers through trophic levels and why it is inefficient.
• Describe how energy transfer constraints influence population sizes and community structure.+ Show more

Learning Objectives

• Understand the roles of supports, foundations, and load paths in construction.
• Identify how compression, tension, and shear forces affect beams, columns, and foundations.
• Evaluate material properties such as stiffness, strength, and durability for safety and suitability.+ Show more

Learning Objectives

• Understand the principles of conservation of mass in chemical reactions.
• Identify how mass is balanced in closed-system reactions.
• Predict product yields based on reactant masses.+ Show more

Learning Objectives

• Describe the key differences between pure substances, mixtures, and solutions.
• Identify examples of each classification in real-world contexts.
• Explain how the uniformity and measurable properties distinguish matter types.+ Show more

Learning Objectives

• Understand how disturbances such as fire, flood, and windthrow affect habitats and ecosystems.
• Identify factors like frequency, intensity, and spatial scale that influence disturbance outcomes.
• Explain how some species adapt to disturbance regimes and recover quickly, while others are negatively impacted.+ Show more

Learning Objectives

• Understand how abiotic factors such as temperature, moisture, light, soil nutrients, and pH influence species distributions and population dynamics.
• Describe how seasonal and daily fluctuations affect organisms' stress levels and opportunities.
• Explain the interaction between abiotic conditions and biotic pressures in determining carrying capacity and resilience.+ Show more

Learning Objectives

• Explain how genetic information in reproductive cells leads to inherited traits in offspring
• Compare inherited traits and environmental influences using examples
• Use simple inheritance patterns (dominant/recessive concepts) to predict trait outcomes+ Show more

Learning Objectives

• Understand the concept of carrying capacity and its significance in ecosystems.
• Identify limiting factors that influence population size.
• Explain how populations adjust when exceeding carrying capacity.+ Show more

Learning Objectives

• Describe how chloroplasts capture light energy for photosynthesis.
• Identify the structures within chloroplasts involved in photosynthesis.
• Explain the process of carbon fixation in the stroma of chloroplasts.+ Show more

Learning Objectives

• Describe the stages involved in the formation of sedimentary rocks.
• Identify different types of weathering and transportation of sediments.
• Explain how depositional environments influence sediment characteristics.+ Show more

Learning Objectives

• Differentiate between homogeneous and heterogeneous mixtures and solutions.
• Understand concepts of solubility, saturation, and concentration in mixtures.
• Identify examples of solutions, colloids, and suspensions based on particle size and behavior.+ Show more

Learning Objectives

• Understand the processes involved in landscape evolution, including tectonic uplift, volcanic activity, and surface erosion.
• Describe how climate influences weathering and material transport in landscape change.
• Explain the cycle of mountain building and denudation and their effects on landscapes.+ Show more

Learning Objectives

• Explain how friction and other resistive forces oppose motion and cause objects to slow down.
• Describe how surface texture and contact affect the size of frictional force.
• Connect resistive forces to energy changes (kinetic energy to thermal energy) during realistic motion.+ Show more

Learning Objectives

• Explain how balanced forces affect net force and an object’s motion
• Predict how unbalanced forces change motion through acceleration
• Use real-world scenarios (like tug-of-war) to describe the direction of net force

Learning Objectives

• Explain how forces (pushes and pulls) can change an object’s motion
• Describe net force and predict whether motion changes using balanced vs. unbalanced forces
• Use real-world examples to connect friction and acceleration to observable changes in motion

Learning Objectives

• Understand the interactions between living organisms and non-living environmental factors in ecosystems.
• Identify how sunlight, soil, water, temperature, and topography influence plant, animal, and microbial communities.
• Explain cause-and-effect relationships that shape ecosystem patterns across Alberta landscapes.+ Show more

Learning Objectives

• Identify observable signs of chemical changes such as colour change, gas evolution, precipitate formation, temperature change, and odour alteration.
• Explain at particle level how bonds are reorganized during chemical changes.
• Differentiate between physical and chemical changes based on observable evidence.+ Show more

Learning Objectives

• Understand the hydrological, chemical, and biological functions of wetlands.
• Identify examples of Alberta wetlands and their ecological roles.
• Explain how wetlands contribute to water regulation and biodiversity.+ Show more

Learning Objectives

• Explain how the kinetic motion of particles relates to thermal phenomena.
• Describe how temperature measures average kinetic energy and heat measures energy transfer.
• Identify the methods of heat transfer: conduction, convection, and radiation.+ Show more

Learning Objectives

• Construct and interpret graphical relationships between kinetic energy, potential energy, mass, and speed.
• Analyze how doubling mass or speed affects kinetic energy using quantitative patterns.
• Understand and apply energy calculations and interpret graphs related to motion and energy.

Learning Objectives

• Understand different measures of solution concentration such as mass percent and grams per litre.
• Explain how solution concentration affects physical properties like boiling point and freezing point.
• Describe real-world examples of solution concentration impacts, including salinity in lakes and water treatment.+ Show more

Learning Objectives

• Identify different types of contact and non-contact forces.
• Explain how net force affects the motion of objects.
• Use qualitative reasoning to analyze forces in regional contexts.+ Show more

Learning Objectives

• Understand different types of adaptive traits in plants and animals.
• Identify how environmental pressures influence trait development.
• Analyze examples of adaptation such as drought resistance and seasonal coat changes.+ Show more

Learning Objectives

• Understand how microscopic particle motion relates to temperature, thermal energy, and pressure.
• Explain the concept of molecular speed distributions and their role in temperature variations.
• Compare thermal states and heat capacities of different materials from a microscopic perspective.+ Show more

Learning Objectives

• Explain how heritable variation and environmental pressures influence natural selection.
• Identify examples of adaptation and how selection pressures affect populations.
• Describe sources of genetic variation and their role in evolution.+ Show more

Learning Objectives

• Understand different types of species interactions such as predation, competition, parasitism, mutualism, and commensalism.
• Analyze how species interactions affect community structure and ecosystem stability.
• Identify examples of species interactions in terrestrial and aquatic systems using food web context.+ Show more

Learning Objectives

• Understand how building design strategies optimize thermal performance across Alberta's climate zones.
• Identify passive solar gains, thermal barriers, and heat-recovery ventilation as key design strategies.
• Analyze case examples to evaluate trade-offs between materials, energy use, and occupant comfort.+ Show more

Learning Objectives

• Understand how human activities such as deforestation, urban expansion, and pollution impact the environment.
• Learn how scientific tools like water-quality indicators, remote sensing, and ecological indicators are used to monitor environmental changes.
• Explore mitigation strategies including policy measures, landscape restoration, and source reduction to reduce human impacts.+ Show more