Grade 7 Science Worksheets

Learning Objectives

• Understand the concept of net force and how it influences motion.
• Learn to interpret free-body diagrams for systems like elevator, tug-of-war, and loaded carts.
• Apply vector addition principles to resolve forces in one dimension.+ Show more

Learning Objectives

• Understand the different levels of ecological organization from individual organisms to ecosystems.
• Identify examples of each level within Alberta's environment.
• Recognize how patterns emerge at higher levels that are not obvious from individual traits.+ Show more

Learning Objectives

• Understand the drivers and influences behind seasonal and annual migration patterns.
• Identify examples of migration routes and behaviors in Alberta wildlife.
• Explain the factors such as food availability, breeding needs, and timing cues that trigger migration.+ Show more

Learning Objectives

• Understand the concept of chemical reactions as processes that produce new substances.
• Identify common indicators of chemical reactions, including gas evolution, precipitate formation, color change, and temperature change.
• Connect observable evidence of reactions to underlying mass and energy changes.+ Show more

Learning Objectives

• Understand the concept of equilibrium and static balance in structures.
• Identify the differences between static and dynamic equilibrium.
• Analyze force pairs and their graphical representations in real-world structures.+ Show more

Learning Objectives

• Understand the key concepts of beam performance under loads, including bending, shear, and deflection.
• Identify how span, support conditions, and load types affect beam stability and comfort.
• Relate real-world examples such as highway overpass girders and building floor joists to beam analysis.+ Show more

Learning Objectives

• Understand how potential and kinetic energy transfer occurs in mechanical systems.
• Identify factors such as elevation, mass, and speed that influence mechanical energy.
• Explain real-world examples of energy transfer, like sled descents and conveyor systems.+ Show more

Learning Objectives

• Understand how distance–time and speed–time graphs represent motion.
• Interpret the meaning of slopes and areas under curves in motion graphs.
• Learn methods to compute average and instantaneous rates from graphs.+ Show more

Learning Objectives

• Explain the concepts of static and kinetic friction and how they oppose motion.
• Describe how aerodynamic drag affects objects moving through air.
• Illustrate the relationship between surface texture, normal force, and frictional force.+ Show more

Learning Objectives

• Identify and distinguish between mutualism, commensalism, and parasitism in ecosystems.
• Describe regional examples of symbiotic relationships, including Alberta-specific environments.
• Analyze the ecological consequences of different symbiosis types on community structure and species success.+ Show more

Learning Objectives

• Describe the basic structures and functions of key cell organelles.
• Contrast the roles of nucleus, mitochondria, chloroplasts, and cell membranes in organisms.
• Explain how cellular structures support tissue, organ, and organismal functions.

Learning Objectives

• Understand how to interpret free-body diagrams for forces acting on objects.
• Learn the methods of decomposing forces on inclined surfaces into perpendicular components.
• Apply vector addition to determine the net force magnitude and direction.+ Show more

Learning Objectives

• Understand how integrated systems analyze force, machine function, and structural evaluation.
• Compare alternative designs based on criteria such as mechanical advantage, material choice, and safety.
• Synthesize motion data, mechanical calculations, and structural assessments to support design choices.+ Show more

Learning Objectives

• Understand the roles of supports, foundations, and load paths in construction.
• Explain how compression, tension, and shear forces affect different structural elements.
• Identify material properties such as stiffness, strength, and durability used in evaluating structural safety.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Explain why mass remains constant in a closed system during reactions.
• Interpret observations of sealed-container reactions to demonstrate mass conservation.+ Show more

Learning Objectives

• Understand different ecological monitoring techniques used in Alberta.
• Identify key considerations for designing long-term ecological studies.
• Explain how consistent data collection helps detect ecological trends.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in separating bitumen from oil sands.
• Identify different methods used for physical separation based on density and particle size.
• Explain how chemical treatments and temperature adjustments influence emulsions and dissolved organics.+ Show more

Learning Objectives

• Understand the concept of average speed and how it differs from instantaneous speed.
• Learn to perform simple one-step speed calculations using distance and time data.
• Convert speed units between meters per second and kilometers per hour.+ Show more

Learning Objectives

• Understand how truss structures distribute loads through triangular members.
• Identify the concepts of internal force paths, tension, and compression in truss members.
• Evaluate the efficiency and redundancy criteria in truss designs for regional applications.+ Show more

Learning Objectives

• Understand the conventions used in technical communication including drawings, symbols, and documentation.
• Identify the purpose and components of standardized units, labels, and schematic diagrams.
• Explain the importance of clarity, scale, and unambiguous dimensioning in technical documents.+ Show more

Learning Objectives

• Understand the concepts of kinetic and potential energy through everyday examples.
• Explain how height and motion relate to different energy forms.
• Describe energy transfer processes in common systems like pendulums and roller coasters.+ Show more

Learning Objectives

• Understand the classification of matter into pure substances, mixtures, and solutions.
• Identify properties of pure substances, including fixed composition and melting points.
• Differentiate between mixtures and solutions based on uniformity and separability.+ Show more

Learning Objectives

• Understand the concept of ecological succession and its stages
• Differentiate between primary and secondary succession
• Identify the key drivers influencing succession+ Show more

Learning Objectives

• Understand the fundamental concepts of thermal energy and temperature.
• Distinguish between internal energy and temperature as measures of particle movement.
• Identify common sources of thermal energy in natural and built environments.+ Show more

Learning Objectives

• Understand the causes of urban heat island phenomena and their effects on microclimates.
• Identify various mitigation strategies to reduce urban heat and their benefits.
• Analyze the impact of urban heating on energy consumption, air quality, and outdoor comfort.

Learning Objectives

• Understand the different types of adaptations: morphological, physiological, and behavioral.
• Identify examples of adaptations and explain how they enhance survival in specific environments.
• Distinguish adaptations from acclimations and understand the concept of trade-offs.+ Show more

Learning Objectives

• Understand the analytical indicators used to assess material purity.
• Identify methods to detect contamination in chemical samples.
• Compare different techniques such as melting points, conductivity, and gravimetric analysis.+ Show more

Learning Objectives

• Understand the key factors that influence population size and distribution.
• Differentiate between types of population growth patterns, including exponential and logistic growth.
• Analyze how species interactions and environmental factors affect populations over time.

Learning Objectives

• Understand different types of data representations such as tables and graphs.
• Interpret trends and relationships from graphical data displays.
• Select appropriate graph types for different data sets.+ Show more

Learning Objectives

• Understand the hierarchical levels of biological organization from individuals to the biosphere.
• Identify roles of producers, consumers, and decomposers within food webs.
• Explain how energy flows through trophic levels and impacts ecosystem stability.+ Show more

Learning Objectives

• Explain the different types of species interactions such as competition, predation, mutualism, and parasitism.
• Illustrate how niche partitioning reduces competition among species in an ecosystem.
• Describe the role of keystone species in shaping community composition.+ Show more

Learning Objectives

• Understand the importance of measurement precision and uncertainty in scientific observations.
• Learn how to properly calibrate and select measurement instruments for accurate data collection.
• Develop skills in estimating measurement uncertainty and propagating errors in calculations.+ Show more

Learning Objectives

• Understand the key components of the scientific inquiry process.
• Distinguish between quantitative and qualitative observations in experiments.
• Select appropriate metric units and instruments for measuring length, mass, and volume.+ Show more

Learning Objectives

• Develop skills to critically analyze explanations, models, and evidence.
• Identify logical fallacies, distinguish correlation from causation, and evaluate data limitations.
• Apply evaluation techniques to real-world scientific scenarios and interpret conflicting information.

Learning Objectives

• Understand the origins and formation of the solar system.
• Identify key properties and features of planets and other celestial bodies.
• Describe orbital relationships and phenomena such as eclipses and phases.+ 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

• Understand the composition of atoms in terms of protons, neutrons, and electrons
• Explain the relationship between atomic number, mass number, and element identity
• Identify isotopes and describe how they differ from the original element+ Show more

Learning Objectives

• Understand the difference between homogeneous and heterogeneous mixtures.
• Describe common physical separation methods such as filtration, distillation, chromatography, and magnetic separation.
• Relate properties like solubility, particle size, and boiling point differences to the choice of separation method.+ Show more

Learning Objectives

• Explain how energy is transferred through conduction, convection, and radiation.
• Relate thermal energy flow to temperature gradients, specific heat, and phase changes.
• Identify observable phenomena resulting from different heat transfer mechanisms.+ Show more

Learning Objectives

• Understand the law of conservation of mass and its fundamental principles.
• Apply mass accounting to chemical and physical processes in closed systems.
• Recognize how balancing chemical equations relates to mass conservation.+ Show more

Learning Objectives

• Understand how physical properties change with scale in prototypes and models.
• Analyze the concepts of surface-to-volume ratios, square-cube law, and Reynolds number in scaled systems.
• Predict performance differences and limitations of using scaled models in engineering and biology.+ Show more

Learning Objectives

• Understand the different types of physical and chemical properties used to classify substances.
• Identify and distinguish elements, compounds, and mixtures based on measurable attributes.
• Apply property-based classification techniques to practical examples like conductivity and magnetism.+ Show more

Learning Objectives

• Understand the process of technological innovation and its historical development.
• Identify factors that facilitate invention and innovation across different technological lineages.
• Analyze the causes and diffusion of inventions and innovations over time.+ Show more

Learning Objectives

• Understand the iterative nature of the engineering design process.
• Identify key steps such as problem definition, brainstorming, prototyping, evaluation, and optimization.
• Recognize examples of design trade-offs, measurement, and refinement.

Learning Objectives

• Understand how abiotic factors such as temperature, moisture, and light affect species distribution.
• Describe the interactions between abiotic conditions and population dynamics.
• Explain how seasonal and extreme environmental changes impact ecosystems.+ Show more

Learning Objectives

• Understand the importance of safety standards in technological design.
• Identify key safety considerations such as building codes, electrical safety, and safety margins.

Learning Objectives

• Understand how cells organize into tissues, organs, and systems.
• Identify different tissue types and their functions.
• Describe how tissues assemble into organs for complex activities.+ Show more

Learning Objectives

• Describe the function of chloroplasts in plant cells during photosynthesis.
• Explain how pigments in thylakoid membranes absorb light energy.
• Understand the processes of ATP and NADPH synthesis in chloroplasts.+ Show more