Grade 7 Science Worksheets

Learning Objectives

• Interpret descriptive statistics such as mean, median, mode, and interquartile range in context.
• Explain how outliers and variance affect the interpretation of data sets.
• Distinguish between descriptive summaries and basic inferential ideas such as confidence and sample size.

Learning Objectives

• Explain how surface albedo affects solar gain when sunlight strikes a material.
• Describe how emissivity influences radiative heat transfer through infrared emission.
• Compare reflective roofs and low-emissivity glazing as real-world strategies to manage heat exchange.+ 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

• Explain how matter cycling and energy flow affect ecosystem responses to changing conditions.
• Describe how changes in nutrient availability and decomposition can alter biomass and population sizes.
• Predict cascading effects in food webs when resource inputs or energy availability change.+ Show more

Learning Objectives

• Explain how the circulatory, respiratory, digestive, and nervous systems interact to support homeostasis in multicellular animals
• Describe how oxygen and nutrients move through organ systems and how feedback helps maintain stable internal conditions
• Compare organ-system interactions in animals (human mammalian systems) and relate them to plant vascular transport

Learning Objectives

• Define acceleration and explain how it relates to changes in velocity.
• Describe how force and mass influence acceleration in objects.
• Identify patterns of constant and changing acceleration from velocity data.+ Show more

Learning Objectives

• Understand various physical separation techniques such as filtration, decanting, evaporation, and magnetic separation.
• Identify the physical properties exploited by different separation methods.
• Analyze regional examples of separation processes and their effectiveness.+ Show more

Learning Objectives

• Explain how convection transports heat in fluids and its role in natural phenomena.
• Identify differences between natural and forced convection in real-world applications.
• Describe boundary layers, buoyancy forces, and flow patterns associated with convection.+ Show more

Learning Objectives

• Identify common evidence that a chemical reaction occurred (gas, precipitate, color change, and temperature change).
• Connect observable evidence to how reactants transform into new substances and how mass is conserved.
• Use simple symbolic formulas to describe reactant-to-product changes.

Learning Objectives

• Identify basic components of trusses and their functions
• Outline the principles of internal force distribution within truss structures
• Recognize common truss forms used in bridges and roofs+ Show more

Learning Objectives

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

Learning Objectives

• Understand how walls, roofs, windows, and foundations contribute to thermal performance.
• Identify the impacts of interfaces, thermal bridging, and air infiltration on energy efficiency.
• Compare insulation placement, continuous barriers, and ventilation strategies in managing heat transfer.+ Show more

Learning Objectives

• Explain how tectonic processes and magmatism connect to weathering, erosion, burial, and metamorphism in the rock cycle.
• Describe how uplift and surface processes can expose rocks and restart recycling of Earth materials.
• Use the rock cycle vocabulary to interpret how regional geology and stratigraphic records form over time.

Learning Objectives

• Understand what habitat fragmentation is and how it affects ecosystems.
• Identify the consequences of habitat fragmentation on biodiversity and species survival.
• Explain the concept of landscape connectivity and its importance in ecosystems.+ Show more

Learning Objectives

• Explain how relative motion of the Sun, Earth, and Moon creates predictable lunar phases.
• Use the ideas of axial tilt and orbital geometry to describe day-night and seasonal patterns.
• Connect position changes to eclipses and to repeating cycles in the solar system.

Learning Objectives

• Explain how gravity and water can move Earth materials downslope and across coastlines.
• Describe how saturation and slope instability can lead to landslides.
• Identify ways waves and storm surge reshape beaches, dunes, and shorelines.+ Show more

Learning Objectives

• Explain how plate tectonics can cause earthquakes along faults and drive volcanic activity.
• Describe how weathering, erosion, and deposition change Earth’s surface over time.
• Use evidence such as fault features, lava flows, and sediment layers to connect geologic processes to landforms.

Learning Objectives

• Understand how invasive species outcompete native organisms and their ecological impacts.
• Identify mechanisms of invasion and their effects on food webs and nutrient cycles.
• Analyze reasons why invasive populations can expand rapidly and cause ecosystem shifts.+ Show more

Learning Objectives

• Identify independent, dependent, and controlled variables in fair test designs
• Use operational definitions to describe how variables are measured in an investigation
• Design fair tests that reduce confounding by using controls, replication, and consistent timing or conditions+ Show more

Learning Objectives

• Evaluate how habitat corridors, protected areas, restoration, invasive species control, and sustainable harvest can help maintain biodiversity.
• Compare management strategies by considering ecological, economic, and social trade-offs.
• Use evidence from case examples to predict outcomes for ecosystem services such as pollination, water purification, and food provisioning.

Learning Objectives

• Define pure substances and distinguish between elements and compounds.
• Identify characteristic properties of pure substances such as melting point, boiling point, and density.
• Use physical and chemical tests to identify elements and compounds.+ Show more

Learning Objectives

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

Learning Objectives

• Explain the processes involved in evaporation and crystallization of solutes.
• Identify factors that influence crystal size, shape, and purity.
• Describe real-world applications of crystallization such as salt production and sugar refining.+ Show more

Learning Objectives

• Explain how design criteria and constraints help frame a design problem.
• Identify measurable or observable indicators of success in a design plan.
• Describe how trade-offs can affect which requirement a solution meets.

Learning Objectives

• Explain equilibrium as the condition where the vector sum of forces on an object is zero.
• Distinguish between static equilibrium and dynamic equilibrium using evidence from motion.
• Identify how normal force, gravitational force, and tension can combine to produce net zero acceleration.

Learning Objectives

• Understand how clouds form through air cooling and water vapor transformation.
• Identify different types of clouds and the conditions that produce them.
• Explain the processes that lead to various forms of precipitation like rain, snow, sleet, and hail.+ Show more

Learning Objectives

• Understand the role of traditional ecological knowledge in environmental awareness.
• Identify examples of land stewardship and species observation in Indigenous contexts.
• Explore how oral histories and place-based knowledge contribute to ecological understanding.+ Show more

Learning Objectives

• Identify independent, dependent, and controlled variables in simple scientific investigations
• Explain how to use tables and graphs to interpret relationships between variables
• Evaluate whether an experiment is fair by checking controlled variables

Learning Objectives

• Understand the purpose of control methods in scientific experiments.
• Identify key features of a well-designed control plan.
• Explain how consistent timing and calibration contribute to reliable results.+ Show more

Learning Objectives

• Learn how substances react with oxygen based on their properties.
• Identify which materials burn easily and which do not.
• Predict possible chemical reactions during interactions with oxygen.+ Show more

Learning Objectives

• Explain phase changes using energy transfer and particle motion and arrangement.
• Differentiate melting, freezing, evaporation, and condensation in terms of energy flow.
• Use the particle model to predict properties of solids, liquids, and gases during and after phase changes.

Learning Objectives

• Define physical properties and identify common examples such as mass, volume, density, and phase-change temperatures.
• Explain how physical measurements can help classify materials and assess purity.
• Use evidence from density and melting/boiling points to distinguish between substances.

Learning Objectives

• Describe how gravity, lateral, and dynamic loads travel through structural components using load path mapping.
• Identify primary and secondary load paths and explain why redundancy helps prevent collapse.
• Explain how openings, re-entrant corners, and irregular geometry affect load redistribution and stiffness.+ Show more

Learning Objectives

• Define biodiversity, species richness, species evenness, and habitat heterogeneity from a scientific text
• Interpret what biodiversity indices can reveal about ecosystem health
• Choose the best biodiversity index to match a description

Learning Objectives

• Explain how walls, roofs, windows, and foundations affect heat loss and heat gain through conduction, convection, and radiation.
• Describe how thermal bridging and air infiltration reduce the effectiveness of insulation and continuous barriers.
• Compare insulation placement and retrofit strategies that prioritize air sealing and layered insulation.+ Show more

Learning Objectives

• Explain how insulation slows heat flow between environments using thermal resistance and thickness.
• Describe how material properties and construction details affect thermal bridges and comfort.
• Interpret R-values and connect them to energy efficiency and lifecycle energy use in real buildings.

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

• Identify protons, neutrons, and electrons as parts of an atom.
• Explain how atomic number and mass number relate to element identity and isotope variation.
• Describe a simple electron arrangement and why models help explain atomic behavior.

Learning Objectives

• Explain how insulation reduces heat transfer by limiting conduction, convection, and radiation
• Compare insulating materials (fibreglass, foam, and reflective foils) using the idea of thermal resistance
• Describe how air leakage, thermal bridging, and continuous insulation affect overall heat loss in buildings

Learning Objectives

• Identify observable indicators that suggest a chemical reaction has occurred.
• Describe how evidence such as gas, heat change, color change, and precipitate formation can be used to interpret reactions.
• Use accurate scientific language to explain reaction clues.

Learning Objectives

• Understand the basic structure and components of a cell.
• Identify the functions of cell organelles.
• Describe the diversity of cell shapes and their functions.+ Show more

Learning Objectives

• Define simple distillation and its purpose in separating liquids.
• Identify key concepts such as vapor pressure, boiling points, and condensation.
• Understand limitations of simple distillation and factors affecting purity.

Learning Objectives

• Define physical properties and chemical properties using clear vocabulary.
• Classify properties as physical or chemical based on what happens to a substance.
• Use examples from the passage to justify property-based identification of matter.

Learning Objectives

• Explain how human activities can change Earth’s spheres (atmosphere, hydrosphere, biosphere, and geosphere).
• Describe cause-and-effect relationships and identify examples of positive and negative feedbacks.
• Use evidence from a text to support claims about how environmental changes affect ecosystems.

Learning Objectives

• Identify the four Earth system spheres: atmosphere, hydrosphere, geosphere, and biosphere.
• Explain how water and gases move among spheres using cause-and-effect reasoning.
• Describe how human activities can change one sphere and affect other spheres.

Learning Objectives

• Explain how homologous and analogous structures provide evidence for evolution.
• Use comparative anatomy (limb bones, skull traits, vestigial organs) to infer evolutionary relatedness.
• Connect morphological similarities and differences to likely adaptations and phylogenetic relationships.

Learning Objectives

• Explain how boiling point differences and vapour pressure differences enable simple distillation.
• Describe condensation and how collecting vapour leads to a more concentrated liquid.
• Evaluate limitations when liquids have close boiling points or form azeotropes.

Learning Objectives

• Understand how mass conservation principles are applied in reaction stoichiometry, waste accounting, and environmental mass balances.
• Identify practical examples of mass budgeting in closed systems and their significance.
• Analyze regional applications such as combustion monitoring and corrosion tests to understand mass distribution tracking.+ Show more