Grade 7 Science Worksheets

Learning Objectives

• Understand the concept of ecological models and their purpose.
• Differentiate between conceptual and quantitative models.
• Identify model inputs, limitations, and regional examples.+ Show more

Learning Objectives

• Understand the key concepts of biodiversity and its components
• Learn different ways to measure biodiversity such as richness, evenness, and habitat heterogeneity
• Interpret what various biodiversity metrics reveal about ecosystem health and resilience+ Show more

Learning Objectives

• Understand the main reasons animals migrate
• Identify common migration examples
• Analyze how migration impacts ecosystems and biodiversity

Learning Objectives

• Understand how birth and death rates influence population size.
• Identify factors affecting population distribution such as resources and abiotic conditions.
• Analyze how environmental and human activities cause fluctuations in populations.+ Show more

Learning Objectives

• Identify sources of nutrient runoff in aquatic environments.
• Describe how pollutants impact ecosystems and organisms.
• Understand pathways of contamination transfer and bioaccumulation.+ Show more

Learning Objectives

• Understand the hierarchy of ecological levels from individual organisms to ecosystems
• Identify examples of each level within Alberta's ecological context
• Recognize how higher levels emerge with properties different from individual traits

Learning Objectives

• Understand the role of oral histories in ecological knowledge
• Identify examples of Indigenous land-use and stewardship practices
• Recognize the value of different knowledge systems for understanding ecosystems

Learning Objectives

• Understand the steps involved in ecological inquiry.
• Analyze how observable data informs understanding of river ecosystems.
• Evaluate human impacts on ecological health through data interpretation.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the different types of symbiotic relationships: mutualism, commensalism, and parasitism.
• Identify examples of mutualism, especially pollinator-plant interactions, from regional habitats.
• Describe ecological consequences of symbiosis on community structure and population dynamics.

Learning Objectives

• Describe different types of species interactions such as predation, competition, parasitism, mutualism, and commensalism.
• Analyze food web diagrams to understand direct and indirect effects among species.
• Identify examples of species interactions in terrestrial and aquatic ecosystems.+ Show more

Learning Objectives

• Understand how physical and biological disturbances impact ecosystems.
• Identify examples of disturbances such as wildfire, flooding, invasive species, and disease outbreaks.
• Explain mechanisms of resilience, resistance, and succession in ecosystem recovery.+ Show more

Learning Objectives

• Understand different management strategies for maintaining biodiversity and ecosystem services.
• Evaluate benefits and unintended consequences of habitat corridors, protected areas, and restoration efforts.
• Compare ecological, economic, and social trade-offs in biodiversity solutions.+ Show more

Learning Objectives

• Analyze how resource availability influences population size and growth rates.
• Interpret data sets and graphs related to ecosystem resource constraints.
• Understand the concepts of carrying capacity, logistic growth, and their effects on populations.+ Show more

Learning Objectives

• Understand different patterns of species interactions such as predation, competition, parasitism, mutualism, and commensalism across ecosystems.
• Explain how direct and indirect effects influence food webs and community structure.
• Analyze examples like predator–prey cycles and pollinator-plant relationships to illustrate interaction dynamics.+ Show more

Learning Objectives

• Understand how physical and biological disturbances impact ecosystems.
• Identify mechanisms of ecological resilience, resistance, and succession.
• Interpret empirical data and observations to determine causes of population changes.+ Show more

Learning Objectives

• Describe how energy transfers through different trophic levels in ecosystems.
• Explain the roles of producers, consumers, and decomposers in energy pyramids and food webs.
• Analyze the processes of photosynthesis and cellular respiration as mechanisms for energy capture and release.+ Show more

Learning Objectives

• Understand how temperature changes cause materials to expand, contract, and change phases.
• Connect microscopic particle motion to observable macroscopic effects like volume change and viscosity variation.
• Recognize how thermal effects influence system behavior and material performance in engineering and environmental contexts.+ Show more

Learning Objectives

• Explain how energy transfers through conduction, convection, and radiation
• Identify which energy transfer mechanism is most likely occurring in everyday situations
• Describe how energy can transform from one form to another in common devices

Learning Objectives

• Understand the principle of mass conservation in chemical reactions.
• Identify practical applications of mass balance in environmental systems.
• Analyze real-world examples of conservation principles in closed systems.

Learning Objectives

• Understand how human activities impact the environment and monitor these effects using scientific methods.
• Identify techniques like water-quality analysis, remote sensing, and ecological indicators used for environmental assessment.
• Evaluate mitigation strategies to reduce human impacts while balancing economic and ecological needs.+ Show more

Learning Objectives

• Understand how human activities affect ecosystems and environment.
• Identify scientific tools used to monitor environmental changes.
• Analyze mitigation strategies for reducing human impacts.+ Show more

Learning Objectives

• Understand the fundamental steps of the scientific inquiry process, including question formulation and hypothesis development.
• Recognize the importance of operational definitions, variables, and reproducibility in experiments.
• Learn basic laboratory safety protocols such as proper measurement, documentation, and safety sign recognition.+ Show more

Learning Objectives

• Understand the principles of conceptual and computational modeling in science.
• Identify assumptions and parameters in different models.
• Evaluate the accuracy and limitations of models through sensitivity testing.+ Show more

Learning Objectives

• Understand various methods of systematic data recording in scientific research.
• Identify appropriate formats, units, and documentation standards for data presentation.
• Apply logical sequencing and matching techniques to organize observational data.+ Show more

Learning Objectives

• Understand the importance of ethical considerations in STEM communication and data sharing.
• Recognize conventions for technical reporting, graphical annotation, peer review, and public presentation.
• Analyze community consultation, responsible data protocols, and reflections on unintended consequences of technology.+ Show more

Learning Objectives

• Understand and explain the concepts of mean, median, and mode in data analysis.
• Interpret and analyze measures of dispersion such as interquartile range, variance, and outliers.
• Apply graphical summaries and interpret their implications for data understanding.+ Show more

Learning Objectives

• Identify the variables that affect solubility in different conditions.
• Explain how temperature, pressure, and surface area influence the amount of solute dissolved.
• Describe real-world examples demonstrating the impact of solubility factors.

Learning Objectives

• Understand the components and roles of biotic and abiotic elements in ecosystems.
• Identify trophic categories such as producers, consumers, and decomposers and their energy flow.
• Analyze simple food chains and the cycling of matter in pond and forest ecosystems.+ Show more

Learning Objectives

• Explain how homologous and analogous structures provide evidence for evolution
• Use comparative anatomical features (limb bones, skull shape, vestigial organs) to infer evolutionary relationships
• Connect morphological comparisons with basic genetics and paleontology evidence to support phylogenetic ideas

Learning Objectives

• Explain how predation, competition, parasitism, mutualism, and commensalism affect populations in terrestrial and aquatic ecosystems.
• Use food webs and trophic diagrams to describe direct and indirect (cascading) effects of species interactions.
• Interpret evidence-based claims about interaction strength changes, including examples of predator–prey cycles and invasive species.+ Show more

Learning Objectives

• Explain how heritable variation and environmental pressures can change trait frequencies in populations over generations.
• Describe how differential survival and reproduction lead to adaptation.
• Use examples (such as antibiotic resistance and island finch beak variation) to interpret natural selection.

Learning Objectives

• Identify different physical properties of matter
• Describe how properties can be used to separate mixtures
• Differentiate between physical and chemical changes in substances

Learning Objectives

• Explain how allele frequencies can change over generations using quantitative models.
• Use probability and simple genotype frequency ideas to predict inheritance outcomes.
• Interpret basic Hardy-Weinberg expectations and compare them to observed trait frequencies.+ Show more

Learning Objectives

• Analyze patterns in the fossil record, including diversity, extinction events, and morphological change over geologic time
• Explain how stratigraphy and index fossils support correlation and inferences about ancestry
• Describe how transitional fossils provide evidence for evolutionary continuity

Learning Objectives

• Explain how energy moves through trophic levels in a food web and why decomposers matter for energy flow.
• Describe how photosynthesis captures energy and cellular respiration releases energy in living things.
• Use energy pyramids to model the decrease in available energy between trophic levels and relate this to population size.

Learning Objectives

• Explain how unequal solar heating and Earth’s rotation drive global atmospheric circulation (Hadley, Ferrel, and polar cells).
• Describe how the Coriolis effect shapes prevailing winds and helps form jet streams.
• Connect large-scale ocean circulation (gyres and major currents like the Gulf Stream) to regional climate patterns.

Learning Objectives

• Explain how reproductive isolation and geographic separation can lead to speciation.
• Describe how polyploidy and adaptive radiation can create new species.
• Interpret biogeographic and diversification patterns to understand biodiversity over time.

Learning Objectives

• Explain how momentum changes when objects collide using the conservation of momentum idea
• Describe how forces act during collisions through Newton’s third law (equal and opposite reactions)
• Distinguish elastic from inelastic collisions and predict likely outcomes

Learning Objectives

• Explain how carrying capacity and resource availability affect population size and growth rate.
• Interpret logistic growth ideas using examples such as limited food, water, and shelter.
• Connect birth, death, immigration, and emigration to population change in ecosystems.+ Show more

Learning Objectives

• Understand how load paths are transferred in buildings
• Identify primary and secondary load routes
• Recognize factors affecting load redistribution+ Show more

Learning Objectives

• Understand different prototyping approaches, including physical models, digital models, and laboratory rigs.
• Identify the advantages and limitations of each prototyping method for testing strength and failure modes.
• Recognize instrumentation tools used in prototyping, such as strain gauges and displacement transducers.+ Show more

Learning Objectives

• Identify the key steps in the engineering design process.
• Explain the importance of defining functional requirements and constraints.
• Describe how sketches and decision matrices assist in comparing design options.+ Show more

Learning Objectives

• Understand how beams respond to loads through bending, shear, axial force, and torsion.
• Identify the effects of geometry and support conditions on internal force distribution.
• Describe the concepts of bending moment and shear force in beams and cantilevers.+ Show more

Learning Objectives

• Understand the key material properties such as density, tensile strength, compressive strength, stiffness, ductility, toughness, and thermal expansion.
• Learn how these properties affect structural performance, durability, and failure modes.
• Compare common construction materials—wood, steel, and reinforced concrete—in terms of strength-to-weight ratio, deformation, and failure.+ Show more

Learning Objectives

• Understand the different methods used to test material properties such as tensile, compression, and bending assessments.
• Learn about non-destructive testing techniques like ultrasonic and hardness measurements.
• Explore the concept of anisotropy in timber and composite materials.+ Show more

Learning Objectives

• Understand the factors that influence the durability of steel and other materials
• Identify protective measures such as coatings and cathodic protection
• Learn how environmental exposure impacts material lifespan+ Show more

Learning Objectives

• Identify the concept of buckling in slender compression columns.
• Recognize the factors that influence buckling failure in structural members.
• Analyze how material choice and shape affect buckling resistance.+ Show more