Grade 7 Worksheets

Learning Objectives

• Understand the concept of ecological models
• Identify components of ecological models
• Differentiate between conceptual and quantitative models+ Show more

Learning Objectives

• Understand how microscopy reveals the structure of plant and animal cells.
• Identify and compare features of unicellular and multicellular organisms.
• Recognize cellular components such as cell walls, plasma membranes, and organelles.+ Show more

Learning Objectives

• Understand and define physical and chemical properties used to classify substances.
• Identify measurable attributes such as density, solubility, hardness, electrical conductivity, magnetism, and flammability.
• Apply observable and quantitative criteria to distinguish elements, compounds, and mixtures.+ Show more

Learning Objectives

• Describe the extent and significance of the Mongol Empire's expansion during the 13th century.
• Explain how the Mongol conquests impacted trade routes, such as the Silk Road.
• Analyze the cultural, technological, and religious exchanges facilitated by the Mongol Empire.+ Show more

Learning Objectives

• Calculate average speed using distance and time, with correct units
• Convert between meters per second (m/s) and kilometers per hour (km/h)
• Distinguish average speed from instantaneous speed using numerical examples

Learning Objectives

• Distinguish mutualism, commensalism, and parasitism using defining evidence
• Explain how symbiotic relationships can change population size and resource use
• Use an example to describe a likely ecological consequence of each symbiosis type

Learning Objectives

• Understand the transfer of energy through different trophic levels in ecosystems.
• Describe the roles of producers, consumers, and decomposers in energy pyramids and food webs.
• Explain how photosynthesis and cellular respiration contribute to energy transfer.+ Show more

Learning Objectives

• Understand how abiotic factors such as temperature, moisture, light, soil nutrients, and pH affect species distribution and population dynamics.
• Describe the interactions between abiotic conditions and biotic pressures in ecosystems.
• Evaluate how seasonal, daily fluctuations, and extreme events influence population resilience and survival.+ Show more

Learning Objectives

• Define and distinguish between homogeneous and heterogeneous mixtures.
• Identify examples of different types of mixtures, including solutions, suspensions, and colloids.
• Understand concepts of solubility, saturation, and concentration in mixtures.+ Show more

Learning Objectives

• Define malware and identify common types such as viruses and ransomware
• Explain how device protection strategies reduce cybersecurity risks
• Apply knowledge to choose safer actions when malware threats are possible+ Show more

Learning Objectives

• Understand the different types of weathering processes that break down rocks.
• Identify physical, chemical, and biological mechanisms responsible for weathering.
• Explain how weathering influences landscape formation and sediment supply.+ Show more

Learning Objectives

• Understand how abiotic factors such as temperature, moisture, light, soil nutrients, and pH affect species distribution and population dynamics.
• Identify examples of abiotic stresses and opportunities in the environment.
• Explain the interaction between abiotic conditions and biotic pressures in ecosystems.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the principles of relative dating including superposition, original horizontality, and cross-cutting relationships.
• Identify key stratigraphic markers such as fossils, unconformities, and intrusive contacts used to correlate rock layers.
• Explain how field observations and stratigraphic data are synthesized to interpret Earth's geological history.

Learning Objectives

• Analyze demographic shifts and migration patterns in the Atlantic region from 1713 to 1850.
• Examine the role of fisheries and maritime industries in shaping regional economies and communities.
• Understand the relationships among Indigenous Mi'kmaq, Acadian populations, British authorities, and merchants during shifting imperial trade.+ Show more

Learning Objectives

• Understand how potential and kinetic energy relate to forces and motion in mechanical systems.
• Identify factors such as height, mass, and speed that influence mechanical energy.
• Describe qualitative energy conversions between potential and kinetic forms.+ Show more

Learning Objectives

• Understand measurement precision and how to estimate uncertainty.
• Learn to select appropriate measurement instruments for accurate observations.
• Apply proper calibration techniques to balances and graduated cylinders.+ Show more

Learning Objectives

• Distinguish between quantitative and qualitative observations in scientific inquiry.
• Identify appropriate metric units and instruments for measuring length, mass, and volume.
• Recognize sources of error in scientific data collection and how to minimize them.+ Show more

Learning Objectives

• Understand the key components of experiment design, including variables and operational definitions.
• Identify appropriate control conditions in scientific experiments.
• Recognize the importance of reproducibility and sample size in research.+ Show more

Learning Objectives

• Identify and manage variables within controlled scientific experiments.
• Understand strategies for randomization, blocking, and replication in experiments.
• Apply systematic methods to control confounding influences in scientific testing.+ Show more

Learning Objectives

• Organize quantitative and qualitative observations into tables and graphs
• Select appropriate graph types and interpret axis scales
• Understand trends and relationships through graphs and summary statistics+ Show more

Learning Objectives

• Understand how energy transfer causes changes in states of matter.
• Identify the processes of melting, freezing, evaporation, and condensation.
• Explain particle behavior during phase changes using the particle model.+ Show more

Learning Objectives

• Understand various management strategies for maintaining biodiversity and ecosystem services.
• Evaluate the benefits and potential trade-offs of approaches such as habitat corridors, protected areas, and restoration.
• Analyze case examples like wetland restoration and corridor establishment for their ecological, economic, and social impacts.+ Show more

Learning Objectives

• Explain qualitatively how gas pressure, volume, and temperature affect one another
• Describe how diffusion and compressibility help explain everyday gas observations
• Use real-world examples (compressed air, heated air) to predict what changes and why

Learning Objectives

• Explain how resource availability impacts population growth and size.
• Interpret logistic growth curves and concepts of carrying capacity.
• Analyze examples of population responses to limited resources, such as deer herd fluctuations and algal blooms.+ Show more

Learning Objectives

• Explain how kinship ties and diplomatic protocols influenced Indigenous interactions with European newcomers between 1713 and 1850.
• Describe cause-and-effect relationships involving epidemics, alliances, and displacement during colonial contact.
• Analyze continuity and change in Indigenous governance under increasing colonial pressure.+ Show more

Learning Objectives

• Understand the concept of carrying capacity in ecosystems.
• Identify limiting factors that affect population size.
• Explain how populations adjust to environmental constraints.

Learning Objectives

• Understand the concept of carrying capacity and its importance in ecosystems.
• Identify limiting factors that affect population growth.
• Explain how populations regulate themselves when exceeding carrying capacity.+ 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 how to systematically evaluate design solutions using modeling and analysis.
• Identify trade-offs among performance, cost, durability, and manufacturability.
• Compare different models and prototypes to predict and observe behaviors.+ Show more

Learning Objectives

• Understand how structural members respond to loads through bending, shear, axial force, and torsion.
• Relate the geometry and support conditions of members to internal force distribution.
• Describe how bending moment and shear force affect deflection and serviceability in beams and cantilevers.+ Show more

Learning Objectives

• Understand different prototyping approaches including scaled physical models, digital finite-element models, and laboratory load rigs.
• Compare the advantages and limitations of each prototyping method for assessing strength, stiffness, and failure modes.
• Identify instrumentation tools such as strain gauges and displacement transducers used to quantify responses.+ Show more

Learning Objectives

• Describe how structural members respond to applied loads through bending, shear, axial force, and torsion.
• Relate the geometry and support conditions of members to internal force distribution.
• Explain the effects of bending moment and shear force on deflection and serviceability in beams and cantilevers.+ Show more

Learning Objectives

• Understand characteristic methods used for testing material behavior, including tensile, compression, and bending assessments.
• Learn about non-destructive techniques such as ultrasonic and hardness measurements.
• Explore the concepts of anisotropy, strain localization, and their implications in material performance.+ Show more

Learning Objectives

• Understand key principles of structural optimization, including material efficiency, cost-effectiveness, and performance.
• Identify different optimization techniques such as topology and form optimization.
• Analyze how performance-based criteria, life-cycle assessment, and constructability constraints influence design decisions.+ Show more

Learning Objectives

• Describe the key processes in the water cycle such as evaporation, condensation, and precipitation.
• Explain the interactions among Earth's atmosphere, hydrosphere, and geosphere in water movement.
• Identify pathways like river discharge, groundwater flow, and snowpack to understand water transfer.+ Show more

Learning Objectives

• Understand the concept of stratigraphic sequences and their importance in fossil record analysis.
• Identify key types of fossils such as index fossils and transitional forms.
• Analyze patterns of extinction, radiation, and morphological change over geologic time.+ Show more

Learning Objectives

• Use purposeful sentence variety (openings, length, and structure) to improve readability and emphasis.
• Combine sentences with clear relationships while using punctuation to manage complexity.
• Replace wordy constructions and tighten vague references to make meaning more precise.+ Show more

Learning Objectives

• Understand how supports, foundations, and load paths contribute to structural stability.
• Identify the effects of compression, tension, and shear on beams, columns, and foundations.
• Describe material properties such as stiffness, strength, and durability relevant to construction.+ Show more

Learning Objectives

• Identify observable signs indicating a chemical reaction has occurred, such as gas production, precipitate formation, color change, temperature change, and irreversibility.
• Explain the concept of irreversibility in chemical changes and how mass measurements in sealed systems support the conservation of mass principle.
• Describe real-world examples of chemical reactions including rusting, combustion, and acid–base neutralization, highlighting their signs and outcomes.+ Show more

Learning Objectives

• Understand and identify various types of graphs such as bar charts, histograms, line graphs, and scatter plots.
• Learn how to select appropriate graph types to accurately reflect data distribution and measurement scales.
• Gain skills in constructing and interpreting axes, error bars, trend lines, and annotations for clarity.+ Show more

Learning Objectives

• Understand the roles of independent, dependent, and controlled variables in experiments.
• Explain the importance of operational definitions and clear criteria in variable measurement.
• Identify sources of confounding and how to minimize bias in experimental design.+ Show more

Learning Objectives

• Understand the concept of measurement uncertainty and significant figures.
• Learn how to select appropriate instruments for measurement based on accuracy and precision.
• Explore sources of measurement error and techniques for estimating and reporting uncertainty.+ Show more

Learning Objectives

• Understand the basic formats and structures used in digital data collection, such as CSVs, timestamps, and metadata.
• Identify common digital tools and techniques for data acquisition, organization, and preliminary analysis.
• Recognize advantages and limitations of automated data logging and methods for preserving data integrity.+ 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 how vibrating objects produce sound waves in a medium.
• Identify how frequency affects pitch and amplitude affects loudness.
• Explain the dependence of sound transmission on a medium like air.+ Show more

Learning Objectives

• Understand how position-time graphs represent motion and interpret their slopes and curves.
• Identify patterns in velocity-time graphs and relate slopes to acceleration.
• Use data tables alongside graphs to analyze and interpret different types of motion.+ Show more