Grade 7 Science Worksheets

Learning Objectives

• Understand how waves transfer energy without moving matter permanently.
• Differentiate between transverse and longitudinal waves.
• Explain the significance of amplitude and wavelength in wave energy.+ Show more

Learning Objectives

• Compare embryonic development across animal groups to identify conserved stages and transient structures.
• Explain how developmental timing and patterning can support evolutionary relationships.
• Use embryology evidence (e.g., pharyngeal pouches and limb buds) to make claims about shared developmental pathways.

Learning Objectives

• Explain how scientific claims are supported by measurable evidence from data
• Distinguish direct observations from interpretations when analyzing results
• Use appropriate scales, units, and comparisons to reason from data patterns+ Show more

Learning Objectives

• Identify the components of DNA and chromosomes
• Understand how genes are encoded within DNA molecules
• Explain the process of chromosome segregation during gamete formation+ Show more

Learning Objectives

• Understand the importance of oral histories in ecological knowledge.
• Identify how traditional place-based knowledge informs environmental understanding.
• Recognize examples of stewardship practices in Indigenous communities.

Learning Objectives

• Compare scaled physical models, digital finite-element models, and laboratory load rigs for evaluating strength, stiffness, and failure modes.
• Explain how instrumentation such as strain gauges and displacement transducers help quantify structural response.
• Identify limitations of scaling, especially material heterogeneity and joint behavior, when using prototypes to guide design revisions.

Learning Objectives

• Understand how energy pathways and transformations are represented in system models.
• Identify the principles of energy conservation in mechanical and industrial systems.
• Analyze energy flow diagrams, including Sankey diagrams, to determine efficiencies and losses.+ Show more

Learning Objectives

• Understand how to represent thermal energy changes numerically using units of energy and temperature scales.
• Apply formulas involving specific heat, mass, and temperature change to calculate energy transfer in Joules and kilojoules.
• Interpret practical examples of heat calculations such as heating water, melting snow, or warming air in Alberta contexts.+ Show more

Learning Objectives

• Describe the structure of the cell membrane as a phospholipid bilayer.
• Identify the roles of embedded proteins, cholesterol, and carbohydrates in the cell membrane.
• Explain how the fluid mosaic model contributes to the membrane's functions.+ Show more

Learning Objectives

• Understand what density is and how it relates to material properties.
• Compare the density of different materials using observations and data.
• Learn how density helps identify and classify materials in everyday life.

Learning Objectives

• Explain how scientists use environmental indicators to monitor human impacts on land, water, and air.
• Describe how remote sensing and land-cover data can reveal changes over time.
• Evaluate mitigation strategies and trade-offs between economic needs and long-term ecosystem resilience.

Learning Objectives

• Understand the molecules in food and their roles as building materials and energy sources.
• Describe how food molecules are broken down and used for growth, repair, and energy.
• Explain the process of how food provides energy for body functions over time.

Learning Objectives

• Identify physical and chemical properties used to choose materials for specific applications
• Explain how chemical stability helps prevent unwanted reactions such as rusting and acid attack
• Use material properties (density, strength, solubility, reactivity) to justify material selection decisions

Learning Objectives

• Use astronomical units, planetary diameters, and light-years to compare distances in and beyond the solar system
• Explain how orders of magnitude and logarithmic scaling help scientists represent extreme size differences
• Interpret how scale affects what we can observe, such as apparent motion and observational limits

Learning Objectives

• Understand the structure and function of DNA molecules and chromosomes
• Learn how chromosomes organize genetic material within cells
• Explore how DNA sequences encode traits and influence observable characteristics+ Show more

Learning Objectives

• Understand how astronomical units, planetary diameters, and light-years are used to compare cosmic distances and sizes.
• Interpret scaled diagrams and logarithmic representations of the solar system and galaxy.
• Analyze orders of magnitude differences and their effects on observational limits and apparent motion.+ Show more

Learning Objectives

• Explain how gravity acts as a force and how it affects the motion of objects near Earth
• Differentiate between mass and weight and describe how weight depends on gravity strength
• Interpret how acceleration due to gravity relates to falling objects, especially when air resistance is minimal+ Show more

Learning Objectives

• Use consistent units, labels, and scales to organize measurement data in tables and graphs.
• Interpret graphs by describing trends, clusters, and comparisons between groups.
• Use relationships (direction and shape) to explain what the data suggest, not just single values.

Learning Objectives

• Explain how Earth’s axial tilt and revolution around the Sun produce seasonal changes and variations in day length.
• Describe how the daily apparent motion of the Sun supports timekeeping and calendar conventions.
• Use models and vocabulary (axial tilt, hemisphere, day length, equinox, solstice) to make evidence-based claims about Earth-Sun cycles.

Learning Objectives

• Explain how design constraints can include environmental and human health impacts
• Evaluate whether a solution is both technically feasible and socially/environmentally responsible
• Use science ideas (pollutants, weathering, durability) to justify constraint choices

Learning Objectives

• Explain how building components affect heat transfer
• Describe how thermal bridging reduces envelope performance
• Explain how air infiltration affects building energy use+ Show more

Learning Objectives

• Explain how abiotic factors (temperature, moisture, light, nutrients, and pH) affect where organisms live and how well they survive.
• Describe how daily and seasonal changes in abiotic conditions can create stress or opportunities for populations.
• Use cause-and-effect reasoning to predict how extreme abiotic events can change population size and carrying capacity.

Learning Objectives

• Understand the relationship between heat, mass, and temperature change using the formula Q=mcΔT
• Identify and explain units such as joules and watts used in heat calculations
• Apply basic heat calculation skills to practical scenarios involving specific heat capacity+ Show more

Learning Objectives

• Explain how radiant transfer moves energy using electromagnetic waves
• Describe how solar intensity, absorptivity, and emissivity affect net radiative heating
• Compare how different surfaces (roofs, vegetation, snow) can change daytime warming and nighttime cooling

Learning Objectives

• Understand the systematic approaches used in ecological inquiry.
• Identify key components such as hypothesis framing and variable selection.
• Recognize the importance of evidence and data interpretation in ecology.+ Show more

Learning Objectives

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

Learning Objectives

• Describe the processes involved in the cycling of Earth's rocks, including melting, crystallization, sedimentation, and metamorphism.
• Identify the various types of rocks—igneous, sedimentary, and metamorphic—and their formation pathways.
• Explain the role of energy flow in transforming rocks within the Earth's crust and mantle.+ Show more

Learning Objectives

• Explain inertia using Newton’s First Law and predict how motion changes when a net force acts
• Use Newton’s Second Law to describe how acceleration depends on net force and mass
• Identify action–reaction pairs and predict how forces between objects affect motion+ Show more

Learning Objectives

• Explain how vibrating objects produce pressure waves in a medium
• Describe how frequency affects pitch and amplitude affects loudness
• Interpret how sound transmission depends on a medium such as air+ Show more

Learning Objectives

• Explain how chromosome segregation during meiosis produces genetically different reproductive cells
• Describe how crossing over and independent assortment increase genetic variation
• Connect meiotic genetic variation to why siblings are not identical and to how selection can act over generations

Learning Objectives

• Define measurement accuracy and explain its importance in science.
• Identify factors that contribute to measurement uncertainty.
• Describe how tool resolution limits measurement precision.+ Show more

Learning Objectives

• Identify common simple mechanisms (gears, pulleys, levers, and linkages) and describe how they transfer motion or force.
• Explain how an engineered system connects input energy to output performance using cause-and-effect reasoning.
• Use evidence from a mechanism (like gear ratio or lever position) to predict changes in speed and torque.

Learning Objectives

• Distinguish homogeneous mixtures from heterogeneous mixtures using observable properties.
• Select an appropriate separation method based on differences in solubility, particle size, and boiling point.
• Explain how physical separation can produce distinct fractions without changing chemical identities.

Learning Objectives

• Identify major cell components and their functions.
• Differentiate between organelles such as nucleus, mitochondria, chloroplasts, and cell membrane.
• Explain how cellular structures support organismal roles and ecological interactions.

Learning Objectives

• Differentiate between weather and climate using timescales
• Identify key weather variables (temperature, precipitation, humidity, wind)
• Explain how climate depends on long-term patterns and geography

Learning Objectives

• Understand how microscopy reveals basic cellular structures in plants and animals.
• Identify differences between unicellular and multicellular organisms using examples.
• Describe key cellular features such as cell boundaries, plasma membranes, and cell walls.+ Show more

Learning Objectives

• Explain how freshwater reservoirs and watersheds influence water availability using key hydrologic ideas.
• Describe how groundwater moves through aquifers and how porosity and permeability affect flow and recharge.
• Connect soil formation and mineral deposits to Earth processes and depositional or igneous settings.+ Show more

Learning Objectives

• Identify how stratigraphic layers and index fossils help scientists interpret the fossil record over geologic time.
• Explain how transitional fossils provide evidence for anatomical change and lineage continuity.
• Compare evidence for macroevolutionary patterns such as radiation events and mass extinctions.

Learning Objectives

• Understand what design criteria are and why they are important.
• Identify various types of constraints that influence a design.
• Learn how to specify clear and precise design goals.+ Show more

Learning Objectives

• Explain how fair tests isolate one design variable while keeping other conditions constant.
• Identify appropriate measurement tools, units, and scales for collecting performance data.
• Describe how consistent testing supports reliability and helps attribute results to design changes.

Learning Objectives

• Explain the particle model of matter and how it describes observable properties of substances.
• Describe how chemical change happens at the particle level (breaking bonds and forming new bonds).
• Use the particle model to reason why mass is conserved in a closed system during chemical reactions.

Learning Objectives

• Describe the production pathways of common synthetic materials from natural resources.
• Explain processes like polymerization, refining, and how they alter chemical composition and performance.
• Identify examples such as polyethylene, PET, nylon, and metals derived from ores.+ Show more

Learning Objectives

• Describe the components of biodiversity, including genetic, species, and ecosystem diversity.
• Interpret biodiversity indices such as richness, evenness, and habitat heterogeneity in ecological assessments.
• Evaluate how biodiversity metrics relate to ecosystem resilience and function in Alberta contexts.+ Show more

Learning Objectives

• Compare thermal conductivity across metals, ceramics, polymers, and composites and explain how structure affects heat transfer.
• Describe how free electrons and lattice vibrations contribute to conduction in different materials.
• Predict how factors like density, porosity, and moisture can change a material’s effective thermal conductivity.+ Show more

Learning Objectives

• Understand the classification of mixtures into solutions, colloids, and suspensions.
• Identify the characteristics of homogeneous and heterogeneous mixtures.
• Recognize examples of different mixture types in everyday life.+ Show more

Learning Objectives

• Explain how boiling point differences enable simple distillation
• Describe how condensation collects separated liquid during distillation
• Explain how vapour pressure affects separation of volatile liquids+ Show more

Learning Objectives

• Identify examples of competition, predation, and symbiosis in real ecosystems
• Explain how species interactions affect survival, growth, and population size over time
• Distinguish between mutualism, commensalism, and parasitism within symbiosis

Learning Objectives

• Interpret distance–time and velocity–time graphs to describe motion patterns (uniform motion, speeding up, slowing down, and rest).
• Use slope information on graphs to make qualitative claims about speed and direction.
• Connect the area under a velocity–time graph to the idea of displacement (conceptually).