Grade 7 Worksheets

Learning Objectives

• Identify observable signs that indicate a chemical change has occurred.
• Explain at particle level how bonds break and form during chemical reactions.
• Differentiate between physical and chemical changes based on evidence.+ Show more

Learning Objectives

• Understand the key steps in the technological design process, including problem definition, brainstorming, prototyping, and evaluation.
• Recognize how iteration and optimization improve design solutions through measurement and documentation.
• Identify examples of design trade-offs, such as in simple mechanisms, water filtration prototypes, and electrical circuits.+ Show more

Learning Objectives

• Analyze the transfer of energy through trophic levels in various ecosystems.
• Understand and calculate trophic efficiency percentages and biomass pyramid patterns.
• Describe the process of solar energy capture by primary producers and energy loss through respiration and heat.+ Show more

Learning Objectives

• Understand how disturbances like fire, flood, landslide, and windthrow affect ecosystems.
• Explain the concepts of disturbance frequency, intensity, and spatial scale in ecological processes.
• Identify species adaptations related to disturbance regimes and their effects on population dynamics.+ Show more

Learning Objectives

• Understand the processes involved in decomposition and nutrient cycling.
• Identify the roles of detritivores, fungi, and bacteria in matter breakdown.
• Describe the transformations of carbon and nitrogen during decomposition.+ Show more

Learning Objectives

• Understand the concept of specific heat capacity and its units.
• Calculate the amount of energy required to change the temperature of a substance using mass, specific heat, and temperature change.
• Apply unit conversions and interpret tabular data to solve thermal energy problems.+ Show more

Learning Objectives

• Understand the principles of calorimetry and how temperature changes relate to energy transfer.
• Apply calorimetric reasoning to calculate energy exchange in Joules.
• Connect observed temperature shifts to heat release and absorption scenarios.+ Show more

Learning Objectives

• Understand common failure modes such as buckling, fatigue cracking, shear and bending fracture, and foundation failures.
• Explain how limit states design philosophy, safety factors, and redundancy help mitigate failure risks.
• Relate real-world examples like bridge deck delamination and column buckling to failure mechanisms and their causes.

Learning Objectives

• Understand human impacts on ecosystems, including habitat change, pollution, resource extraction, and invasive species.
• Describe the consequences of human activities for species diversity, ecosystem functions, and resilience.
• Explain principles of ecological stewardship such as mitigation, habitat protection, and restoration.+ Show more

Learning Objectives

• Understand the ecological impacts caused by invasive species.
• Identify pathways and factors facilitating the establishment of non-native species.
• Analyze the long-term consequences of invasive species on native ecosystems and economies.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the roles of producers and consumers in an ecosystem.
• Explain how energy is transferred between trophic levels.
• Identify the constraints on energy transfer within a food chain.+ Show more

Learning Objectives

• Describe Earth's internal layering including crust, mantle, outer core, and inner core.
• Interpret seismic wave behavior and what it reveals about Earth's interior.
• Explain mantle convection and its role in plate motion.+ Show more

Learning Objectives

• Understand the key practices involved in conceptual and computational modeling.
• Identify the importance of assumptions, scaling, and validation in models.
• Recognize examples of simple numerical models such as population and motion simulations.+ Show more

Learning Objectives

• Identify common failure mechanisms such as buckling, fatigue cracking, shear, and foundation failures.
• Explain the purpose of limit states design, safety factors, and redundancy in preventing failures.
• Relate specific failure examples like bridge deck delamination and column buckling to their causes and characteristics.

Learning Objectives

• Explain the concept of mechanical energy and how it is conserved in ideal systems.
• Describe energy transfer processes in simple systems like pendulums and springs.
• Identify real-world examples where energy is conserved or lost to nonmechanical forms.+ Show more

Learning Objectives

• Understand how physical behaviors change with scaling in structures, turbines, and biological systems.
• Explain square-cube law, surface-to-volume ratio, and Reynolds number implications for scaled models.
• Predict performance differences when scaling prototypes and recognize limitations of direct scaling.+ Show more

Learning Objectives

• Explain how engineering design responds to system purpose and constraints.
• Identify examples of structural, mechanical, and electrical engineering systems.
• Analyze trade-offs among cost, reliability, and performance in engineering design.+ Show more

Learning Objectives

• Identify observable indicators of chemical reactions such as gas production, precipitate formation, color change, and temperature change.
• Understand how qualitative evidence relates to mass and energy changes during reactions.
• Connect observable reaction evidence to the transformation of reactants into products using simple symbolic formulas.+ Show more

Learning Objectives

• Explain the concept of net force and how it determines the motion of objects.
• Describe how vectors are combined to find the net force in various systems.
• Use algebraic sign conventions to calculate one-dimensional net forces.+ Show more

Learning Objectives

• Understand the three fundamental principles described by Newton's laws of motion.
• Recognize how inertia, acceleration, and action-reaction pairs are demonstrated in real-world systems.
• Connect qualitative relationships between mass, force, and resulting motion using everyday examples.+ Show more

Learning Objectives

• Explain how the particle model accounts for properties like density, pressure, and compressibility.
• Describe particle motion, spacing, and interparticle forces in different states of matter.
• Relate observable measurements such as diffusion rates and thermal expansion to particle arrangements.+ Show more

Learning Objectives

• Explain the physical and chemical processes shaping Earth's surface, including weathering, erosion, deposition, and mass wasting.
• Identify driving forces such as water flow, wind, glaciers, and gravity that influence landform development.
• Link observable landforms like deltas, canyons, and dunes to their formative surface processes and rates.+ Show more

Learning Objectives

• Understand the formation and origin of the solar system.
• Identify key properties and features of planets within the solar system.
• Describe planetary motions, phases, and eclipses observed from Earth.+ Show more

Learning Objectives

• Understand the processes involved in the rock cycle, including lithification, metamorphism, and magmatism.
• Identify methods of relative and absolute dating such as index fossils and radiometric decay.
• Interpret stratigraphic sequences and depositional environments to infer Earth's past tectonic and climatic conditions.+ Show more

Learning Objectives

• Understand the distribution of natural resources and their relation to geologic and hydrologic systems.
• Describe processes of groundwater flow, soil formation, and mineral deposition.
• Identify empirical indicators used to assess resource availability and sustainability.+ Show more

Learning Objectives

• Understand the role of different types of connections in load transfer and structural redundancy.
• Identify and describe shear, bearing, and slip effects at connections.
• Explain the function of gusset plates and base plates in distributing forces.+ Show more

Learning Objectives

• Describe different types of species interactions such as competition, predation, mutualism, and parasitism.
• Explain how niche partitioning reduces competition among species.
• Identify examples of keystone species and their influence on community structure.+ Show more

Learning Objectives

• Understand the hierarchical levels of biological organization from individual organisms to the biosphere.
• Identify the roles of producers, consumers, and decomposers within ecosystems.
• Describe how energy flows through trophic levels and how structure at each level contributes to ecosystem stability.+ Show more

Learning Objectives

• Understand energy flow and matter cycling within ecosystems through food chains, webs, and trophic pyramids.
• Explain the roles of decomposers in nutrient recycling and how ecosystem processes are affected by changes in inputs or energy pathways.
• Describe how biotic and abiotic cycles like carbon and water interconnect ecosystems.

Learning Objectives

• Develop critical thinking skills to evaluate explanations, models, and evidence.
• Identify logical fallacies and distinguish correlation from causation.
• Assess strengths and limitations of data and models.+ Show more

Learning Objectives

• Understand and apply metric prefixes in measurements
• Estimate and communicate measurement uncertainty
• Select appropriate measurement instruments for different tasks+ Show more

Learning Objectives

• Identify and describe the three primary modes of thermal energy transfer: conduction, convection, and radiation.
• Explain molecular mechanisms underlying each mode of heat transfer.
• Contrast the media and rates of heat transfer for conduction, convection, and radiation.+ Show more

Learning Objectives

• Understand the distribution and types of natural Earth's resources, including water, soil, and minerals.
• Explain the processes of hydrologic systems, groundwater flow, soil formation, and mineral deposits.
• Differentiate between renewable and nonrenewable resources and their geologic controls.+ Show more

Learning Objectives

• Describe Earth's internal layering, including crust, mantle, outer core, and inner core.
• Explain how seismic waves and geothermal profiles provide evidence of Earth's interior structure.
• Understand the processes of mantle convection and their role in plate motion.+ Show more

Learning Objectives

• Understand the processes of the rock cycle, including lithification, metamorphism, and magmatism.
• Apply relative and absolute dating techniques, such as index fossils and radiometric decay, to interpret Earth's history.
• Analyze stratigraphic sequences and depositional environments to infer past tectonic and climate conditions.

Learning Objectives

• Understand the various technological tools used in space exploration, including telescopes, satellites, and spacecraft.
• Describe the contributions of robotic missions and space stations to data collection and scientific research.
• Identify different types of instrumentation used in space missions, such as spectrometers and imaging systems.+ Show more

Learning Objectives

• Understand and differentiate between physical and chemical properties of substances.
• Identify measurable attributes used to classify elements, compounds, and mixtures.
• Apply practical techniques to determine properties like conductivity, solubility, and magnetism.+ Show more

Learning Objectives

• Understand the basic concepts of experiment design, including variables and controls.
• Identify the importance of reproducibility, sample size, and safety constraints in experiments.
• Analyze how to establish operational definitions and select appropriate control conditions.+ Show more

Learning Objectives

• Understand different types of species interactions such as competition, predation, mutualism, and parasitism.
• Identify examples of niche partitioning and the role of keystone species in ecosystems.
• Analyze the consequences of changes in interaction networks for community stability and resource availability.+ Show more

Learning Objectives

• Describe energy flow and matter cycling within ecosystems using food chains, food webs, and trophic pyramids.
• Explain the roles of decomposers in nutrient recycling within aquatic and terrestrial systems.
• Analyze how changes in inputs or energy pathways affect community composition and ecosystem processes.+ Show more

Learning Objectives

• Define morphological, physiological, and behavioral adaptations with grade-appropriate examples.
• Explain how specific traits improve survival and reproduction in particular environments.
• Distinguish between adaptations and acclimation.+ Show more

Learning Objectives

• Understand how nonliving factors like temperature, light, water, soil, and salinity influence species distribution and ecosystem productivity.
• Explain how gradients and microclimates affect physiological tolerances and seasonal patterns in ecosystems.
• Link abiotic variability to habitat suitability and community composition in terrestrial and aquatic environments.+ Show more

Learning Objectives

• Explain the principles of density separation methods such as decanting, flotation, and centrifugation.
• Describe how buoyant force, sedimentation rate, and centrifugal acceleration relate to particle density and size.
• Identify examples where density-based separation techniques are applied in laboratory and industrial contexts.+ Show more

Learning Objectives

• Explain the concept of radiant transfer and how it conveys energy through electromagnetic waves.
• Identify factors such as solar radiation intensity, surface absorptivity, and emissivity that influence radiative heating.
• Understand how regional differences like high solar angles and snow cover affect radiative balances in Alberta's landscapes.+ Show more

Learning Objectives

• Understand the concept of thermal energy transfer and how it is measured using numerical representations.
• Calculate energy changes in heat transfer problems using specific heat, mass, and temperature difference.
• Apply formulas to real-world Alberta examples such as heating water, melting snow, and warming greenhouse air.+ Show more

Learning Objectives

• Define contact and non-contact forces and provide real-world examples.
• Explain how net force influences the motion of objects.
• Describe the relationship between force, mass, and acceleration qualitatively.

Learning Objectives

• Understand different long-term ecological monitoring techniques used in Alberta.
• Describe the importance of standardized sampling protocols and data recording.
• Identify considerations for sampling design, temporal replication, and data quality.+ Show more