Grade 7 Science Worksheets

Learning Objectives

• Understand key design strategies used in building solutions to optimize thermal performance.
• Identify methods such as passive solar gains, thermal barriers, and heat-recovery ventilation.
• Analyze regional building examples and their trade-offs between materials, energy, and comfort.+ Show more

Learning Objectives

• Construct evidence-based arguments using a clear claim, relevant evidence, and logical reasoning.
• Critique and compare argumentation models by checking how well evidence supports a claim.
• Use quantitative results and graphical representations to strengthen or refute hypotheses.+ Show more

Learning Objectives

• Understand how cellular structures and transport processes work together to maintain homeostasis.
• Identify key mechanisms such as transport proteins, membrane pumps, and hormone signaling.
• Explain how various organ systems coordinate to regulate nutrient levels, ions, and water balance.+ Show more

Learning Objectives

• Analyze test data to identify factors affecting design performance.
• Refine parameters iteratively to improve design solutions within constraints.
• Use quantitative comparisons to justify design modifications based on performance data.+ Show more

Learning Objectives

• Identify different types of observable indicators in chemical reactions.
• Describe how gas production, heat exchange, colour changes, and precipitates indicate reaction pathways.
• Analyze reaction patterns and infer underlying particle interactions and mass changes.+ Show more

Learning Objectives

• Describe the organization and components of the cell membrane.
• Explain the functions of lipids, proteins, and carbohydrates in the membrane.
• Understand how the membrane maintains selective permeability.+ Show more

Learning Objectives

• Understand the law of conservation of mass as a fundamental principle in physical and chemical changes.
• Apply mass accounting techniques to closed reactions and dissolution processes.
• Balance simple chemical formulas to relate reactant and product mass.+ Show more

Learning Objectives

• Identify different types of advanced construction materials including engineered timber, fibre-reinforced polymers, high-performance concrete, and composite systems.
• Explain how manufacturing processes and microstructure contribute to the strength, stiffness, and durability of advanced materials.
• Assess trade-offs between cost, fabrication complexity, and performance in the application of modern building materials.+ Show more

Learning Objectives

• Describe the structure of chloroplasts and their components.
• Explain the process of photosynthesis and how chloroplasts capture light energy.
• Identify the roles of pigments, thylakoid membranes, and stroma in photosynthesis.+ Show more

Learning Objectives

• Explain how convection transports heat in fluids.
• Identify natural and forced convection examples in real-world scenarios.
• Describe the flow patterns and boundary layers involved in convection.+ Show more

Learning Objectives

• Define inherited traits and understand how they are passed from parents to offspring.
• Identify examples of traits that are inherited.
• Explain the concept of heredity and how traits can vary among relatives.

Learning Objectives

• Understand how resource availability influences population growth and size.
• Interpret logistic growth curves and concepts of carrying capacity.
• Analyze how ecosystems respond to limited resources with real-world examples.+ Show more

Learning Objectives

• Understand how invasive species spread beyond their native range.
• Identify ecological impacts caused by invasive species on native ecosystems.
• Explain mechanisms of invasion and their effects on food webs and nutrient cycles.+ Show more

Learning Objectives

• Understand the fundamental principles of structural optimization including material efficiency and cost-effectiveness.
• Recognize different types of optimization methods used in structural design, such as topology and form optimization.
• Analyze how performance-based criteria, life-cycle assessment, and constructability constraints influence design solutions.+ Show more

Learning Objectives

• Understand the difference between mixtures and pure substances.
• Identify characteristics of heterogeneous and homogeneous mixtures.
• Learn about physical properties that enable separation methods.+ Show more

Learning Objectives

• Explain how the kinetic particle model uses particle spacing, motion, and forces to describe macroscopic properties of matter.
• Predict how changing temperature or applying pressure affects density, compressibility, and pressure in terms of particle arrangement.
• Connect observable measurements such as diffusion rate, thermal expansion, and compressibility to particle-level explanations.

Learning Objectives

• Describe qualitatively how pressure, volume, and temperature interdependently affect gases.
• Explain phenomena such as diffusion and compressibility in gases.
• Relate macroscopic observations like pressure changes with applied force or volume confinement to gas behavior.+ Show more

Learning Objectives

• Analyze how technology can create short-term and long-term social, economic, and environmental impacts.
• Evaluate trade-offs using cost-benefit reasoning and identify unintended consequences.
• Explain how policy responses and ethical considerations can help mitigate harm from technological change.

Learning Objectives

• Analyze patterns in the frequency and magnitude of earthquakes, volcanic eruptions, hurricanes, floods, and tsunamis.
• Interpret hazard maps, recurrence intervals, and probabilistic forecasts to assess risks.
• Understand the cascading impacts of natural hazards on infrastructure and ecosystems.+ Show more

Learning Objectives

• Understand the concept of a keystone species and its importance in ecosystems.
• Identify different types of keystone species, such as predators and engineers.
• Explain the effects of removing a keystone species from an ecosystem.+ Show more

Learning Objectives

• Explain how energy transfer modes (conduction, convection, and radiation) contribute to an energy budget in real systems.
• Apply conservation of energy to interpret net heat gain, required input energy, and storage effects.
• Use quantitative comparisons and predicted temperature responses to support system-level decisions.+ Show more

Learning Objectives

• Understand and calculate measures of central tendency: mean, median, and mode.
• Interpret dispersion using interquartile range, variance, and outliers.
• Represent data with simple graphical summaries.+ 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 observable indicators that provide evidence for chemical reactions.
• Describe how gas production, heat exchange, colour changes, and precipitate formation relate to reaction pathways.
• Connect reaction observations to underlying particle interactions and mass changes.+ Show more

Learning Objectives

• Understand how material properties influence heat flow and energy efficiency in buildings.
• Identify design choices that reduce unwanted heat transfer in various regional contexts.
• Quantify and explain the significance of R-values, thermal bridges, and lifecycle energy use.+ Show more

Learning Objectives

• Describe the main processes involved in the water cycle, including evaporation, condensation, and precipitation.
• Explain how water moves among Earth's spheres such as atmosphere, hydrosphere, and geosphere.
• Identify examples of water pathway interactions like river discharge, groundwater flow, and seasonal snowpack changes.+ Show more

Learning Objectives

• Compare embryonic development stages across different taxa.
• Identify conserved developmental structures such as pharyngeal pouches and limb buds.
• Analyze how developmental timing supports evolutionary relationships.+ Show more

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

• Describe how energy is transferred through trophic levels in food webs and energy pyramids.
• Explain the roles of producers, consumers, and decomposers in ecosystem energy flow.
• Understand the mechanisms of photosynthesis and cellular respiration in energy capture and release.+ Show more

Learning Objectives

• Identify the four main tissue types and their functions.
• Describe how tissue organization affects organ function.
• Differentiate between epithelial, connective, muscle, and nervous tissues.+ Show more

Learning Objectives

• Understand how different materials behave under compression, tension, and bending.
• Compare timber, steel, and concrete in load-bearing construction applications.
• Analyze the influence of environmental factors on material performance and maintenance.+ Show more

Learning Objectives

• Understand the concept of conserved embryonic development stages across different taxa.
• Identify morphological similarities in early embryonic structures that reflect evolutionary relationships.
• Analyze how developmental timing and patterning support phylogenetic reconstruction.+ Show more

Learning Objectives

• Understand the intrinsic thermal properties of common construction materials.
• Compare how porosity, moisture, and layering affect thermal conductivity.
• Identify trade-offs between structural considerations and thermal resistance in building materials.+ Show more

Learning Objectives

• Explain the particle model as a representation of matter.
• Describe how atoms and molecules interact in chemical changes.
• Understand that mass remains constant during chemical reactions due to the rearrangement of atoms.+ Show more

Learning Objectives

• Describe the ecological consequences of invasive species introductions.
• Identify pathways and factors that facilitate invasive species establishment.
• Explain the long-term effects of invasive species on native ecosystems.+ Show more

Learning Objectives

• Understand the structure and function of DNA molecules and chromosomes.
• Explain how genes encode traits and how inheritance occurs through chromosomal transmission.
• Describe the process of chromosome segregation during gamete formation and fusion.+ Show more

Learning Objectives

• Explain how metamorphic change happens without complete melting
• Differentiate contact metamorphism and regional metamorphism using textures and mineral assemblages
• Use metamorphic index minerals and foliation to infer metamorphic grade and burial history

Learning Objectives

• Identify performance metrics, constraints, and trade-offs in real-world design problems
• Use parameter variation and sensitivity analysis to compare how changes affect outcomes
• Apply basic cost-benefit reasoning to evaluate design alternatives under constraints+ Show more

Learning Objectives

• Describe how cells communicate via chemical and electrical signals.
• Identify the roles of receptor proteins, gap junctions, and plasmodesmata in cell signaling.
• Explain how signal specificity, amplification, and feedback regulation control bodily processes.+ Show more

Learning Objectives

• Identify physical and chemical properties used to evaluate materials for applications.
• Understand how properties like corrosion resistance, hardness, melting point, solubility, and reactivity influence material suitability.
• Match material properties to specific application requirements to minimize unwanted chemical changes.

Learning Objectives

• Distinguish between physical and chemical properties of materials.
• Identify measurable descriptors such as density, melting point, solubility, and conductivity.
• Analyze property data to support material identification and separation strategies.+ Show more

Learning Objectives

• Explain how physical processes such as melting, boiling, freezing, and dissolving change the form of matter without creating new substances.
• Differentiate density-based separations (settling and layering) from solubility-based separations (dissolving selectively).
• Describe how to identify whether an observed change is a separation or a chemical change by using evidence of new properties.

Learning Objectives

• Explain how energy transfers through different organisms in a food web.
• Identify primary producers, consumers, and decomposers in regional ecosystems.
• Describe the impact of changes in species populations on ecological stability.+ Show more

Learning Objectives

• Understand the concept of surface-area-to-volume ratio and its effect on cell size.
• Identify adaptations that increase surface area for efficient material exchange in cells and organisms.
• Explain how multicellular organisms overcome surface area limitations through specialized structures and systems.

Learning Objectives

• Understand what invasive species are and how they differ from native species.
• Identify common pathways through which invasive species are introduced into new environments.
• Recognize ecological and economic consequences caused by invasive species.+ Show more

Learning Objectives

• Describe the basic subatomic particles of an atom: protons, neutrons, and electrons.
• Explain how atomic number and mass number relate to element identity and isotopes.
• Identify simple electron arrangements and understand their role in chemical properties.+ Show more

Learning Objectives

• Understand the differences between homogeneous and heterogeneous mixtures.
• Identify and explain properties like solubility, saturation, and concentration.
• Recognize examples of solutions, colloids, and suspensions based on particle size and separation methods.+ Show more

Learning Objectives

• Understand the concept of density and how it affects material selection
• Identify tensile strength and its importance in structural performance
• Compare properties of wood, steel, and reinforced concrete+ Show more