Grade 7 Worksheets

Learning Objectives

• Understand how rainfall and storms can alter Earth's surface temporarily and permanently.
• Identify natural processes that cause rapid and gradual landscape changes.
• Explain the effects of severe weather events like storms, earthquakes, and volcanic activity on landforms.

Learning Objectives

• Understand the causes and effects of technological innovation.
• Identify the factors that contribute to inventions and innovations.
• Analyze how innovations diffuse and evolve over time.

Learning Objectives

• Define speed, velocity, and acceleration
• Distinguish between scalar and vector quantities
• Identify the difference between constant velocity and changing motion+ Show more

Learning Objectives

• Identify substances based on observable physical properties such as color and density.
• Understand how physical properties can help distinguish different materials.
• Explain how properties like melting point, boiling point, and solubility relate to physical characteristics.+ Show more

Learning Objectives

• Understand the role of reflective surfaces in managing radiative heat exchange.
• Identify properties that affect surface reflectivity and emissivity.
• Analyze how surface color and coatings influence solar gain.+ Show more

Learning Objectives

• Understand how heating causes particles to move apart in solids and liquids.
• Explain how particle motion affects thermal expansion and contraction.
• Describe how gases respond differently to temperature changes due to particle behavior.+ Show more

Learning Objectives

• Understand the role of different types of connections in maintaining load paths in structures.
• Identify how bolted, welded, and bearing connections transfer loads and their impact on structural redundancy.
• Describe the concepts of shear, bearing, and slip at structural connections.+ Show more

Learning Objectives

• Understand the different stages of phase changes during heating.
• Interpret temperature-time graphs to identify solid, melting, and other phases.
• Explain the energy transfer during phase transitions in terms of particle behavior.

Learning Objectives

• Understand the properties of solids and liquids
• Describe changes between different states of matter
• Explain how energy transfer causes phase changes+ Show more

Learning Objectives

• Interpret Punnett squares to predict genotype and phenotype ratios.
• Understand the concepts of dominant and recessive alleles.
• Calculate expected proportions of inherited traits among offspring.+ Show more

Learning Objectives

• Understand how tectonic plates move and create landforms.
• Identify different types of tectonic movements and their effects.
• Describe how Earth's surface is reshaped over time by geologic processes.

Learning Objectives

• Define chemical properties and identify common indicators of chemical changes.
• Differentiate between reactive and stable substances based on their chemical properties.
• Recognize observable indicators such as gas evolution, color change, and precipitate formation.+ Show more

Learning Objectives

• Explain how volcanic activity contributes to mineral and resource deposits.
• Identify geologic processes related to resource distribution.
• Analyze case studies of volcanic regions and resource locations.+ Show more

Learning Objectives

• Analyze historical earthquake data for patterns in frequency and magnitude.
• Interpret hazard maps to assess earthquake risk across different regions.
• Understand recurrence intervals and how they inform earthquake preparedness.+ Show more

Learning Objectives

• Understand how to analyze test data to improve structural designs
• Apply quantitative comparisons to optimize engineering solutions
• Recognize the iterative process in design refinement+ Show more

Learning Objectives

• Explain the factors that influence solubility, including temperature, pressure, and solvent polarity.
• Interpret and analyze solubility curves and concepts of saturation and supersaturation.
• Describe how solubility affects separation methods, concentration calculations, and recrystallization outcomes.+ Show more

Learning Objectives

• Define equilibrium and identify its key characteristics.
• Differentiate between static and dynamic equilibrium.
• Recognize forces involved in equilibrium, such as gravity, normal force, and tension.+ Show more

Learning Objectives

• Understand how temperature changes affect material properties and systems.
• Explain concepts of thermal expansion, contraction, phase changes, and viscosity variations.
• Connect microscopic particle motion to macroscopic thermal effects such as volume and pressure changes.+ Show more

Learning Objectives

• Differentiate between weather and climate.
• Identify basic concepts related to climate patterns.
• Understand how solar heating influences climate zones.+ Show more

Learning Objectives

• Understand systematic data recording methods in scientific research.
• Identify types of data structures such as categorical and numerical data.
• Learn proper metadata standards and documentation practices for data provenance.+ Show more

Learning Objectives

• Understand the principles of relative dating such as superposition, original horizontality, and cross-cutting relationships.
• Identify different types of rock layers and their formation processes.
• Learn to interpret fossils, unconformities, and intrusive contacts as markers for correlating layers.+ Show more

Learning Objectives

• Identify patterns of earthquakes and understand fault lines
• Interpret historical and instrumental data on seismic activity
• Analyze hazard maps and recurrence intervals+ Show more

Learning Objectives

• Define primary structural elements and understand load transfer in structures.
• Distinguish between dead loads and live loads in structural systems.
• Identify tension, compression, and shear forces within members.+ Show more

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Explain how unbalanced forces cause changes in motion.
• Use free-body diagrams to visualize forces.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the methods for mapping load paths in complex structures.
• Identify primary and secondary load transfer routes in buildings and bridges.
• Explain how openings, corners, and irregular shapes affect load redistribution.+ Show more

Learning Objectives

• Understand how structural members respond to loads through bending, shear, axial force, and torsion.
• Relate geometry and support conditions to internal force distribution in beams and columns.
• Describe the effects of bending moment and shear force on deflection and serviceability.+ Show more

Learning Objectives

• Identify the three primary modes of heat transfer: conduction, convection, and radiation.
• Describe the molecular mechanisms underlying each mode.
• Give everyday examples of conduction, convection, and radiation.+ Show more

Learning Objectives

• Identify common structural failure modes such as buckling, fatigue cracking, shear, and foundation failures.
• Describe the concepts of limit states design, safety factors, and redundancy in mitigating failure risk.
• Relate failure mechanisms to geometric, material, and loading characteristics using real-world examples.+ Show more

Learning Objectives

• Understand the ecological and economic consequences of invasive species.
• Identify pathways and factors facilitating the spread of invasive species.
• Analyze long-term effects of invasive species on native ecosystems.+ Show more

Learning Objectives

• Identify key performance metrics for design optimization.
• Understand how to manage constraints and evaluate trade-offs.
• Learn methods for parameter variation and sensitivity analysis.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the relative sizes of planets within the solar system
• Estimate distances between planets using astronomical units
• Recognize the concept of light-years and their significance in astronomy+ Show more

Learning Objectives

• Identify the key steps in the engineering design process.
• Explain the importance of defining functional requirements and constraints.
• Describe how sketches and decision matrices assist in comparing design options.+ Show more

Learning Objectives

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

Learning Objectives

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

Learning Objectives

• Explain how density differences are exploited in separation techniques such as decanting, floatation, and centrifugation.
• Describe the physical principles of buoyant force, sedimentation rate, and centrifugal acceleration as they relate to particle density and size.
• Identify suitable media and conditions for effective density-based separation.+ Show more

Learning Objectives

• Describe the process of ecological succession and distinguish between primary and secondary succession.
• Identify the characteristic stages of succession and key factors influencing community change.
• Explain how soil development, seed dispersal, competition, and facilitation drive succession trajectories.+ Show more

Learning Objectives

• Understand how Earth's geological processes influence the distribution of mineral, energy, and groundwater resources.
• Identify the role of plate tectonics, sedimentation, weathering, and biological activity in resource formation.
• Analyze geologic maps, cross sections, and case studies to evaluate resource locations.+ Show more

Learning Objectives

• Analyze and compare the thermal conductivity of metals, ceramics, polymers, and composites.
• Understand factors that affect heat transfer, including material structure, density, porosity, and moisture.
• Describe how free electrons and lattice vibrations contribute to thermal conduction differences.+ Show more

Learning Objectives

• Explain the principle of simple distillation and how it separates liquids based on boiling points.
• Describe the roles of vapor pressure, boiling point differences, and condensation in distillation.
• Identify examples of distillation applications, such as separating ethanol from water.+ Show more

Learning Objectives

• Understand the significance of measurement accuracy and precision in scientific observations.
• Identify sources of measurement uncertainty and how to estimate their impact.
• Learn techniques for reading instruments accurately and estimating uncertainty propagation.+ Show more

Learning Objectives

• Describe the structure of freshwater systems including stratification, oxygen gradients, and light penetration.
• Explain how abiotic gradients influence community composition and vertical zonation in lakes and ponds.
• Discuss seasonal changes such as thermal turnover and their effects on oxygen levels and habitats.

Learning Objectives

• Explain how mechanical energy is transformed into electrical energy by generators.
• Describe how photovoltaic cells convert light to electrical energy.
• Understand the process of electrical heaters converting electrical energy into thermal energy.+ Show more

Learning Objectives

• Understand the processes of evaporation and controlled crystallization used to recover solutes.
• Identify factors affecting crystal size, shape, and purity.
• Explain how nucleation and crystal growth occur during crystallization.+ Show more

Learning Objectives

• Understand how surface properties like albedo and emissivity affect radiative heat exchange.
• Evaluate how surface colour and coatings influence solar gain in structures.
• Describe the function of low-emissivity glazing and reflective roofs in climate control.+ Show more

Learning Objectives

• Understand key principles of ecological restoration, including reference conditions and active vs passive approaches.
• Identify factors influencing species selection, habitat connectivity, and corridor design in restoration projects.
• Analyze the trade-offs between short-term recovery and long-term ecosystem resilience.+ Show more

Learning Objectives

• Classify substances as pure or mixtures based on their composition and properties.
• Identify examples of elements, compounds, and mixtures in real-world contexts.
• Understand the criteria that distinguish pure substances from mixtures.+ Show more