Grade 7 Worksheets

Learning Objectives

• Explain characteristic methods for testing material behaviour including tensile, compression, and bending assessments.
• Describe non-destructive testing techniques such as ultrasonic and hardness measurements.
• Understand anisotropy in timber and composites and how it affects material performance.+ Show more

Learning Objectives

• Define key material properties such as density, tensile and compressive strength, stiffness, ductility, toughness, and thermal expansion.
• Explain how these properties influence structural performance and failure modes.
• Contrast materials like wood, steel, and reinforced concrete in terms of strength-to-weight ratio and deformation behaviors.+ Show more

Learning Objectives

• Understand methods for mapping load paths in complex structures.
• Identify primary and secondary load routes transferring loads to foundations.
• Analyze the effects of openings, corners, and irregular geometries on load redistribution.+ Show more

Learning Objectives

• Define primary structural elements involved in load transfer.
• Describe how loads transfer from slabs or decks into supporting members.
• Distinguish between dead loads and live loads in structures.+ Show more

Learning Objectives

• Identify common structural failure modes such as buckling, fatigue cracking, and shear fracture.
• Explain the limits states design philosophy, safety factors, and redundancy in engineering.
• Relate failure mechanisms to geometric, material, and loading characteristics using real-world examples.+ Show more

Learning Objectives

• Understand the main factors affecting material durability over time.
• Identify different protection measures for materials in structures.
• Analyze how environmental exposure influences material lifespan.+ Show more

Learning Objectives

• Describe the steps involved in the design process from defining requirements to selecting solutions.
• Explain how performance objectives like load capacity and stiffness guide design decisions.
• Understand the use of decision matrices and sketches to compare alternative designs.+ Show more

Learning Objectives

• Understand the roles of different types of connections and joints in maintaining structural integrity.
• Identify the effects of shear, bearing, and slip at connection points.
• Analyze how gusset plates and base plates distribute forces in structures.+ Show more

Learning Objectives

• Understand different advanced construction materials and how they are manufactured.
• Explain how microstructure influences strength, stiffness, and durability of materials.
• Analyze the trade-offs related to cost, fabrication complexity, and performance of novel materials.+ Show more

Learning Objectives

• Explain how energy is transferred through trophic levels in an ecosystem.
• Describe the concept of trophic efficiency and biomass pyramids.
• Analyze energy losses during transfer between levels due to respiration and heat.+ Show more

Learning Objectives

• Understand the concept of ecological succession and its stages.
• Differentiate between primary and secondary succession.
• Identify key drivers that influence succession such as soil development and species dispersal.+ Show more

Learning Objectives

• Understand the different types of adaptations organisms develop for survival in specific environments.
• Identify structural, physiological, and behavioral traits that aid survival.
• Explain how adaptations are influenced by environmental factors like temperature, moisture, and predation.+ Show more

Learning Objectives

• Understand core principles of ecological restoration and reference conditions.
• Differentiate between active and passive restoration approaches.
• Learn criteria for species selection and long-term landscape monitoring.+ Show more

Learning Objectives

• Understand basic population growth models including exponential and logistic growth.
• Identify and distinguish between limiting factors affecting populations.
• Explain the difference between density-dependent and density-independent influences.+ Show more

Learning Objectives

• Understand the ecological and economic consequences of invasive non-native species.
• Identify pathways and factors that facilitate invasive species establishment.
• Analyze long-term impacts such as reduced native biodiversity and altered ecosystems.+ 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 dissolved oxygen, nutrient mixing, and habitat conditions.+ Show more

Learning Objectives

• Define components of ecosystems, including biotic and abiotic elements.
• Describe trophic categories such as producers, consumers, and decomposers.
• Explain energy flow from sunlight to organic matter in ecosystems.+ Show more

Learning Objectives

• Understand the concept of biodiversity indices such as species richness and evenness.
• Interpret diversity values across different habitats and their ecological implications.
• Recognize relationships among habitat heterogeneity, niche diversity, and species turnover.+ Show more

Learning Objectives

• Describe abiotic drivers such as temperature, light, soil, moisture, and pH and their roles in ecosystems.
• Explain how abiotic factors influence resource distribution and organismal tolerance.
• Identify microhabitats and their abiotic characteristics in pond, forest, and meadow environments.+ Show more

Learning Objectives

• Understand different types of adaptation traits in various species.
• Analyze how environmental pressures influence trait development.
• Identify examples of physiological, structural, and behavioral adaptations.+ Show more

Learning Objectives

• Understand how sunlight, soil, water, temperature, and topography affect ecosystems.
• Identify cause-and-effect relationships between environmental factors and living organisms.
• Describe regional community patterns in Alberta landscapes such as mountain valleys and prairie grasslands.+ Show more

Learning Objectives

• Understand the criteria used to evaluate species conservation risk.
• Interpret evidence related to population trends and threats.
• Analyze how land use, genetic diversity, and connectivity influence species vulnerability.+ Show more

Learning Objectives

• Understand the principles of conceptual and computational modeling practices.
• Identify key steps such as abstraction, assumptions, scaling, and validation in modeling.
• Recognize examples of simple models used in real-world phenomena.+ Show more

Learning Objectives

• Understand key concepts of optimization in design processes.
• Identify performance metrics and manage constraints effectively.
• Analyze trade-offs among strength, cost, durability, and sustainability.+ Show more

Learning Objectives

• Understand how human activities affect the environment through deforestation, urban expansion, and pollution.
• Use scientific indicators and data to monitor environmental changes caused by human impacts.
• Identify mitigation strategies to reduce negative human effects on ecosystems.+ Show more

Learning Objectives

• Understand the role of oral histories and place-based knowledge in ecological understanding.
• Identify examples of stewardship practices within Indigenous communities in Alberta.
• Explain how different knowledge systems contribute to interpreting environmental patterns.+ Show more

Learning Objectives

• Understand hazards and risks associated with laboratory and field activities.
• Learn to interpret safety data sheets and hazard classifications.
• Identify appropriate mitigation strategies and controls for safety.+ Show more

Learning Objectives

• Understand the criteria for forming scientific questions and hypotheses.
• Describe the role of variables, operational definitions, and reproducibility in experiments.
• Identify laboratory safety protocols, including PPE, chemical labeling, and emergency procedures.+ Show more

Learning Objectives

• Understand the principles of momentum conservation during collisions.
• Differentiate between elastic and inelastic collisions.
• Calculate momentum and post-collision velocities using numerical examples.+ Show more

Learning Objectives

• Understand the concept of forces in equilibrium and how they balance to produce constant velocity or rest.
• Identify the differences between static and dynamic equilibrium in various scenarios.
• Apply qualitative and simple quantitative analyses to predict outcomes of objects at rest or moving uniformly.+ Show more

Learning Objectives

• Understand key concepts of descriptive statistics, including mean, median, and mode.
• Interpret measures of dispersion such as interquartile range and variance.
• Analyze graphical summaries and understand their role in data interpretation.+ Show more

Learning Objectives

• Understand factors that influence seasonal and annual migration in animals.
• Identify examples of migration in Alberta, such as waterfowl flyways and ungulate movements.
• Analyze the timing, energetic demands, and ecological importance of migration.+ Show more

Learning Objectives

• Understand and compare sizes and distances within the solar system and beyond using various units of measurement.
• Interpret scaled diagrams and logarithmic representations of astronomical data.
• Analyze how scale influences observed motion and observational limits in astronomy.+ Show more

Learning Objectives

• Understand the importance of ethical considerations in scientific communication.
• Identify proper conventions for technical reporting and data sharing.
• Examine the societal impacts of technological and scientific choices.+ Show more

Learning Objectives

• Understand different digital tools used for data acquisition, organization, and analysis.
• Identify formats such as CSV, timestamps, and metadata tags that facilitate data interoperability.
• Learn basic techniques for data cleaning, preservation, and reproducibility.+ Show more

Learning Objectives

• Understand how phenotype results from genetic and environmental interactions.
• Identify examples of traits influenced by environmental factors.
• Distinguish inherited traits from environmentally modulated traits.+ Show more

Learning Objectives

• Construct and interpret graphical relationships between kinetic energy, potential energy, mass, and speed.
• Understand proportional and quantitative patterns in energy changes during motion.
• Analyze energy calculations related to objects like a bicycle, pendulum, and roller-coaster.+ Show more

Learning Objectives

• Explain how energy transfers occur during changes in an object's motion.
• Identify real-world examples of kinetic, thermal, sound, and other energy transfers.
• Analyze scenarios involving energy redistribution during collisions and bouncing.+ Show more

Learning Objectives

• Understand the mechanisms of heat transfer including conduction, convection, radiation, sound, and electric current.
• Identify examples of thermal energy transfer in everyday life.
• Describe measurable evidence and differences in heat transfer modes.+ Show more

Learning Objectives

• Understand the fundamentals of engineering design, including problem definition, criteria, and constraints.
• Learn how to develop specifications, use trade-off matrices, and evaluate feasibility in design projects.
• Explore how iterative refinement enhances problem-solving in mechanical systems and environmental prototypes.+ Show more

Learning Objectives

• Understand different long-term ecological monitoring techniques used in Alberta.
• Identify factors influencing sampling design and data quality.
• Recognize how consistent monitoring can detect ecological trends over time.

Learning Objectives

• Explain the concept of static and dynamic equilibrium in different structures.
• Identify graphical representations of balanced force pairs in real-world examples.
• Describe how forces acting on objects relate to safety and durability in infrastructure.+ Show more

Learning Objectives

• Understand how physical and chemical properties can predict reactions.
• Identify reactivity patterns and evidence of chemical changes.
• Use property trends to anticipate products and energy changes during reactions.+ Show more

Learning Objectives

• Understand how observable physical and chemical properties influence material selection.
• Identify properties such as corrosion resistance, hardness, melting point, solubility, and reactivity.
• Learn how properties like density and strength guide structural decisions.+ Show more

Learning Objectives

• Understand how energy changes occur during chemical reactions, including exothermic and endothermic processes.
• Recognize signs of energy transfer in physical and chemical changes.
• Explain the relationship between energy exchange and bond breaking/formation.+ Show more

Learning Objectives

• Explain the principle of conservation of mass in chemical reactions.
• Describe at the particle level how atoms are conserved and rearranged.
• Identify examples of closed systems where mass remains constant before and after reactions.+ Show more

Learning Objectives

• Understand the key chemical properties used to describe substances.
• Identify how substances react under different chemical conditions.
• Analyze observable outcomes to infer chemical behaviors.+ Show more

Learning Objectives

• Identify observable signs of chemical change such as gas formation, color change, temperature change, precipitate formation, and irreversible transformation.
• Understand that multiple indicators together strengthen evidence of a chemical change.
• Describe measurement methods that confirm chemical changes occur.