Grade 7 Science Worksheets

Learning Objectives

• Understand how energy pathways are traced and represented in system models.
• Analyze energy transformations and identify loss mechanisms in regional energy systems.
• Utilize diagrams such as Sankey diagrams and energy flow charts to interpret energy data.+ 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 supports, foundations, and load paths work together to maintain structural stability.
• Differentiate compression, tension, and shear and predict where each force appears in common structures.
• Identify how material properties (stiffness, strength, durability) help determine safety under wind and snow loads.

Learning Objectives

• Understand the principles of energy transfer and conversion in different devices.
• Identify examples of devices that convert energy from one form to another.
• Learn about energy accounting and the concept of efficiency in energy transformations.+ Show more

Learning Objectives

• Understand the principles of ecological restoration including reference conditions and approaches.
• Identify factors involved in species selection, habitat connectivity, and long-term monitoring in restoration projects.
• Evaluate trade-offs between short-term recovery and long-term resilience in restoration planning.+ Show more

Learning Objectives

• Understand methods for mapping load paths in complex structures.
• Identify primary and secondary load routes in structural systems.
• Analyze how openings and irregular geometries influence load redistribution.+ Show more

Learning Objectives

• Understand the principles of simple distillation and vapor pressure differences.
• Identify the limitations of distillation when separating close-boiling mixtures and azeotropes.
• Explain how fractional distillation improves separation efficiency.+ Show more

Learning Objectives

• Understand human impacts on ecosystems including habitat alteration, pollution, resource extraction, and invasive species.
• Identify principles of ecological stewardship such as mitigation, habitat protection, restoration, and monitoring.
• Analyze the balance between societal needs and ecological integrity in environmental decision-making.+ Show more

Learning Objectives

• Understand the differences between elements and compounds based on atomic composition and bonding.
• Identify characteristic properties of elements and compounds such as melting point and conductivity.
• Interpret chemical formulas and recognize fixed ratios of atoms in compounds.+ Show more

Learning Objectives

• Understand how density differences enable separation techniques such as decanting, floatation, and centrifugation.
• Explain the principles of buoyant force, sedimentation rate, and centrifugal acceleration in particle separation.
• Identify suitable media and conditions for effective density-based separation methods.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the concept of load paths and how they transfer forces in complex structures.
• Identify primary and secondary load routes and their significance in structural stability.
• Analyze the effects of openings, corners, and irregular geometries on load redistribution.+ Show more

Learning Objectives

• Explain how superposition, original horizontality, and cross-cutting relationships help determine the relative ages of rock layers.
• Identify how fossils, unconformities, and intrusive contacts act as markers for correlating strata across locations.
• Use stratigraphic evidence to construct a logical sequence of depositional, tectonic, and erosional events.

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Describe how atoms are conserved and rearranged during reactions.
• Explain the concept of closed systems and their importance in mass conservation.+ Show more

Learning Objectives

• Analyze test data to identify factors affecting design performance.
• Refine design parameters through iterative adjustments to improve outcomes.
• Develop justifications for modifications based on quantitative comparisons.+ Show more

Learning Objectives

• Understand the importance of building codes and safety standards.
• Identify common safety requirements in construction and technology.
• Explain the rationale behind safety margins and inspection protocols.+ Show more

Learning Objectives

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

Learning Objectives

• Explain the basic idea of particles and how they are arranged in different states of matter
• Describe how particle movement relates to temperature and state changes
• Understand how microscopic particle interactions determine macroscopic properties like density, pressure, and compressibility

Learning Objectives

• Recognize and describe the three main states of matter: solid, liquid, and gas.
• Understand the particle arrangements and energy regimes in each state.
• Identify phase changes and conditions that cause state transitions.+ Show more

Learning Objectives

• Identify the basic parts of an atom: protons, neutrons, and electrons.
• Explain how atomic number and mass number relate to element identity.
• Describe simple electron arrangements and atomic models.+ Show more

Learning Objectives

• Identify and differentiate between homogeneous and heterogeneous mixtures.
• Describe various separation methods such as filtration, distillation, chromatography, and magnetic separation.
• Understand how properties like solubility, particle size, and boiling point influence separation techniques.+ Show more

Learning Objectives

• Understand the differences between ionic and covalent bonding.
• Relate bonding types to properties like melting point, solubility, and electrical conductivity.
• Describe how simple binary ionic salts and molecular compounds form using empirical formulas.+ Show more

Learning Objectives

• Describe the hierarchical levels in biological organization from individual organisms to the biosphere.
• Explain the roles of producers, consumers, and decomposers in ecosystems.
• Analyze how energy flows through trophic levels and its effect on ecosystem stability.+ Show more

Learning Objectives

• Identify the differences between elements and compounds based on atomic composition and bonding.
• Understand how the properties of substances change when elements combine to form compounds.
• Learn to recognize examples of elements and compounds and understand fixed atomic ratios.

Learning Objectives

• Understand the different types of population interactions including competition, predation, and mutualism.
• Identify how niche partitioning and habitat differentiation promote coexistence among species.
• Explain the mechanisms that stabilize or destabilize populations through resource use and species interactions.+ Show more

Learning Objectives

• Identify sources of freshwater and understand how water moves through the Earth's hydrologic cycle.
• Describe processes involved in groundwater flow and soil formation.
• Explain how mineral deposits form and how geologic settings influence resource availability.+ Show more

Learning Objectives

• Identify the main components of Earth's atmosphere
• Understand the processes of energy transfer within the atmosphere
• Describe the movement of air masses and pressure gradients+ Show more

Learning Objectives

• Understand the history and development of space telescopes.
• Learn how space telescopes extend our view of the universe.
• Recognize major space missions involving telescopes and satellites.+ Show more

Learning Objectives

• Understand the different types of graphs used to display data such as bar charts, histograms, line graphs, and scatter plots.
• Learn how to properly select and construct various graphs based on data type and measurement scales.
• Interpret elements of graphs including axes, error bars, trend lines, and patterns.+ Show more

Learning Objectives

• Understand the principles of relative dating such as superposition, original horizontality, and cross-cutting relationships.
• Identify key stratigraphic markers like fossils, unconformities, and intrusive contacts used to correlate layers.
• Explain how field observations and stratigraphic data help construct Earth's geological history.+ Show more

Learning Objectives

• Understand how physical and biological disturbances impact population sizes, community composition, and ecosystem functions.
• Identify examples of disturbances such as wildfires, flooding, invasive species, and disease outbreaks.
• Explain mechanisms of resilience, resistance, and succession in recovering ecosystems.+ Show more

Learning Objectives

• Understand how sound waves reach and are perceived by the human ear.
• Identify factors affecting the loudness and pitch of sounds.
• Explain how surfaces reflect sound and materials absorb sound.+ Show more

Learning Objectives

• Define what pure substances are and identify their key properties.
• Differentiate between elements and compounds.
• Understand how physical and chemical tests help identify pure substances.+ Show more

Learning Objectives

• Describe the mechanisms of energy transfer: conduction, convection, and radiation.
• Explain how temperature gradients and material properties affect heat flow.
• Apply knowledge of energy transfer to real-world phenomena like metal heating and heat radiation.

Learning Objectives

• Understand fundamental digital tools used for data acquisition, organization, and initial analysis.
• Identify common data formats such as CSV, timestamps, and metadata tags, and their roles in data interoperability.
• Learn basic sensor interfaces, spreadsheet functions, and techniques for data cleaning.+ Show more

Learning Objectives

• Understand the concepts of independent, dependent, and controlled variables in experiments.
• Identify sources of confounding factors and how to minimize bias in scientific testing.
• Learn the importance of operational definitions, control groups, sampling considerations, and replication for valid causal conclusions.+ Show more

Learning Objectives

• Understand the key steps of the scientific inquiry process including question formulation, hypothesis development, and operational definitions.
• Identify and explain variables, measurement accuracy, and reproducibility in experiments.
• Recognize laboratory safety protocols such as PPE, chemical labeling, and emergency signage.+ Show more

Learning Objectives

• Understand the principles of selecting appropriate graph types for data presentation.
• Learn how to construct and interpret various types of graphs, including bar charts, histograms, line graphs, and scatter plots.
• Identify key features such as axis scaling, error bars, trend lines, and annotations for clarity in data visualization.+ Show more

Learning Objectives

• Understand how to systematically evaluate different design solutions using modeling and analysis.
• Identify and quantify trade-offs among performance, cost, durability, and manufacturability.
• Apply consistent metrics and model-based reasoning to compare options.+ Show more

Learning Objectives

• Understand how to define design problems with clear criteria and constraints.
• Identify measurable performance metrics and limits for proposed solutions.
• Translate societal and environmental needs into quantitative targets.+ Show more

Learning Objectives

• Analyze test data and parameters to refine and improve design solutions.
• Compare quantitative results to determine the most effective modifications.
• Apply iterative adjustment techniques to optimize performance within constraints.+ Show more

Learning Objectives

• Define independent, dependent, and controlled variables in experiments.
• Explain the importance of operational definitions and fair test design.
• Identify sources of confounding and how to reduce bias.+ Show more

Learning Objectives

• Explain how biodiversity can be described using richness, evenness, and habitat heterogeneity.
• Interpret what biodiversity metrics can reveal about ecosystem resilience and function.
• Use evidence from habitat complexity and species assemblages to make ecological health claims.

Learning Objectives

• Understand how magma is generated within Earth's mantle and crust.
• Identify the processes that influence magma composition and texture.
• Relate plate tectonic settings to types of magma and igneous rocks.

Learning Objectives

• Describe the main functions of the circulatory, respiratory, and digestive systems.
• Identify structures such as capillaries and alveoli that enhance exchange efficiency.
• Explain how different organ systems work together to maintain internal stability.+ Show more

Learning Objectives

• Explain the ecological levels of organization from individual organisms to ecosystems
• Identify examples of individual, population, community, and ecosystem using Alberta-style scenarios
• Describe why patterns at higher levels cannot always be predicted from single organisms

Learning Objectives

• Understand the principles of mechanical separation techniques such as filtration and sedimentation.
• Identify the applications and limitations of filtration in separating heterogeneous mixtures.
• Describe the roles of pore size, flow behaviour, and media in filtration processes.+ Show more

Learning Objectives

• Explain how runoff, erosion, and deposition can rapidly change Earth’s surface after heavy rainfall
• Describe how storms can reshape coastal landforms such as dunes and beaches
• Identify examples of sudden and gradual surface changes caused by earthquakes and volcanic activity