Grade 7 Science Worksheets

Learning Objectives

• Define physical properties and explain how they are measured without changing a substance into a new one
• Use measurements such as mass, volume, density, and phase-change temperatures to identify and compare materials
• Relate physical descriptors like electrical conductivity and optical clarity to how substances behave in real applications

Learning Objectives

• Explain how decomposers (fungi and bacteria) break down dead organisms and waste and return nutrients to the ecosystem.
• Describe how decomposition supports plant growth and the continuity of matter in food chains.
• Compare how decomposers affect living and nonliving components of an ecosystem.

Learning Objectives

• Describe the hierarchy of ecological organization from individual organisms to biospheres (organism → population → community → ecosystem → biosphere).
• Identify the roles of producers, consumers, and decomposers and explain how energy moves through trophic levels.
• Explain how structural features at each level can help ecosystems resist change and recover after disturbances.+ Show more

Learning Objectives

• Describe how tensile, compression, and bending tests reveal different material behaviors.
• Explain how non-destructive testing (ultrasonic and hardness) helps detect material variability and defects.
• Identify how anisotropy, strain localization, and safety factors influence design decisions for real structures.

Learning Objectives

• Identify factors that affect the durability of materials in structural applications.
• Understand protective measures such as coatings, cathodic protection, and concrete cover.
• Recognize environmental influences like corrosion, rot, freeze–thaw, and UV degradation.+ Show more

Learning Objectives

• Understand the components of evidence-based arguments, including claims, evidence, and reasoning.
• Evaluate the logical coherence and clarity of constructed arguments.
• Construct and critique arguments using quantitative data, graphical representations, and models.+ Show more

Learning Objectives

• Describe how structural members respond to applied loads through bending, shear, axial force, and torsion
• Connect bending moment and shear force to deflection and serviceability in beams and cantilevers
• Contrast bending-dominated members with axial-dominated members such as columns and truss bars

Learning Objectives

• Explain how data tables use consistent units and meaningful labels to communicate measurements clearly.
• Read and interpret graphs by using axis labels, scale, and category information to identify patterns.
• Compare groups and describe relationships using trends, clusters, and the direction/shape of patterns rather than isolated values.

Learning Objectives

• Explain the main idea of conduction in solids
• Describe how particle motion transfers kinetic energy during conduction
• Use key vocabulary (kinetic energy, particles, conductivity, interface) to answer questions about heat flow+ 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

• Describe the structure of mitochondria and explain how it relates to their function.
• Explain the process of cellular respiration in mitochondria and how ATP is produced.
• Identify the role of mitochondria in different cell types with high energy demands.+ Show more

Learning Objectives

• Explain how system models trace energy pathways and transformations in mechanical and industrial contexts.
• Use energy accounting to identify inputs, useful outputs, and waste (thermal) losses in a system.
• Interpret energy flow diagrams (including Sankey-style ideas) to calculate and compare conversion efficiencies.

Learning Objectives

• Explain how separation methods use differences in physical properties to separate mixtures
• Identify which separation method best matches a mixture based on properties such as size, solubility, magnetism, and boiling point
• Connect observable outcomes (what remains or what collects) to the underlying classification of the mixture components

Learning Objectives

• Explain how phenotype can result from interactions between inherited genes and environmental conditions.
• Use evidence examples (nutrition, ultraviolet exposure, temperature) to support claims about trait variability.
• Distinguish inherited genetic contributions from environmental modulation when describing observed traits.

Learning Objectives

• Understand different material properties such as strength, stiffness, and density.
• Identify how timber, steel, and concrete behave under various forces.
• Analyze the importance of material choice in construction, especially in cold climates.+ Show more

Learning Objectives

• Analyze historical earthquake data to identify patterns of frequency and magnitude.
• Interpret hazard maps and recurrence intervals to assess earthquake risk.
• Understand how probabilistic forecasting informs hazard mitigation strategies.+ Show more

Learning Objectives

• Describe how electron transfer can form ions
• Distinguish ionic and covalent bonding using electron behavior
• Connect bonding patterns to observable properties

Learning Objectives

• Explain how test results guide specific design revisions using success criteria and evidence.
• Identify examples of design changes that improve performance while respecting constraints (safety, materials, and cost).
• Describe how to justify revisions by linking measurements to the cause of failure and expected improvement.

Learning Objectives

• Explain how structural, physiological, and behavioral adaptations help organisms survive in specific habitats.
• Describe how selective pressures (temperature, moisture, predation, and resource availability) can shape adaptations.
• Use examples to identify adaptive trade-offs and how different habitats can favor different traits.

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Identify observations that demonstrate mass remains constant in sealed systems.
• Explain how atoms are conserved during chemical reactions and phase changes.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how inertia affects motion when forces change.
• Describe the relationship between net force, mass, and acceleration using qualitative reasoning.
• Use action–reaction pairs to predict motion in everyday interactions.

Learning Objectives

• Explain how conservation of mass applies to closed-system chemical reactions.
• Use mass accounting to relate reactant masses to product masses.
• Interpret theoretical vs. measured mass distributions to assess reaction completeness.+ Show more

Learning Objectives

• Identify key components of digital data tools, including sensors, timestamps, sampling rates, and metadata tags
• Use spreadsheet ideas to organize experimental data from CSV-formatted logs
• Apply basic data-cleaning techniques such as handling missing values and correcting formatting issues+ Show more

Learning Objectives

• Understand the principle of calorimetry and how it measures energy exchange.
• Explain how temperature changes relate to heat transfer in calorimetric experiments.
• Identify real-world applications of calorimetry in thermal scenarios relevant to Alberta.+ Show more

Learning Objectives

• Explain how walls, roofs, windows, and foundations of a building envelope affect heat loss and heat gain
• Describe how thermal bridging and air infiltration can reduce a building’s thermal performance
• Identify common measurement indicators used to assess building envelope performance+ Show more

Learning Objectives

• Explain what air masses are and how their temperature and moisture properties affect weather.
• Describe how fronts form when air masses with different properties meet.
• Compare typical weather changes caused by cold fronts versus warm fronts.+ Show more

Learning Objectives

• Connect changes in an object’s motion energy to energy transfers into or out of the object.
• Use energy bookkeeping (accounting for motion energy changes and transferred energy types) to explain real scenarios.
• Interpret qualitative and quantitative examples of energy conversion during braking, collisions, and bouncing.

Learning Objectives

• Explain how traditional ecological knowledge (TEK) is based on long-term observations and community learning.
• Describe how oral histories and place-based knowledge can support understanding of species interactions and seasonal cycles.
• Identify examples of stewardship that help maintain healthy ecosystems in Alberta and beyond.+ Show more

Learning Objectives

• Explain equilibrium as having zero net force and describe how it affects an object’s motion
• Identify common force pairs (such as gravity and normal force) and state whether they are balanced or unbalanced
• Interpret and describe free-body diagrams using arrow direction and relative length+ Show more

Learning Objectives

• Analyze how urban transportation influences city development
• Evaluate environmental, economic, and social impacts of transportation systems
• Develop critical thinking about trade-offs and ethical considerations in technological choices+ Show more

Learning Objectives

• Explain how matter and energy move among the geosphere, hydrosphere, atmosphere, and biosphere
• Describe how a change in one Earth system can trigger changes in other systems
• Use examples to predict how Earth system interactions can affect landforms and water availability

Learning Objectives

• Explain how patterns, variability, and measurement quality affect interpretations of test data.
• Describe what reliability means and how repeated measurements reduce uncertainty.
• Identify common sources of error (tool limits, inconsistent starting conditions, human reading errors) and how they change confidence in conclusions.+ Show more

Learning Objectives

• Explain how producers use light, carbon dioxide, and water to make sugars during photosynthesis
• Describe how the products of photosynthesis store energy in chemical bonds within biomass
• Connect photosynthesis to energy flow and matter transfer through food chains+ Show more

Learning Objectives

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

Learning Objectives

• Explain how gravity produces weight and affects the motion of objects near Earth
• Relate gravitational force and acceleration using the role of mass and inertia
• Describe how support forces (normal forces) balance weight when objects are at rest

Learning Objectives

• Explain how feedstocks from natural resources can be transformed into synthetic materials through processing steps.
• Describe how polymerization and refining change chemical composition and functional performance.
• Use examples (polyethylene, PET, nylon, and metals) to compare production pathways.+ Show more

Learning Objectives

• Understand the concept of chemical properties and how they describe behavior during chemical changes.
• Identify observable indicators of chemical reactions such as gas evolution, color change, and precipitate formation.
• Compare chemical stability of noble metals with reactive non-metals.+ Show more

Learning Objectives

• Explain how competition, predation, and mutualism affect population sizes and community composition.
• Describe how niches and resource use influence whether species coexist or face competitive exclusion.
• Use evidence from scenarios to identify interaction types and predict possible outcomes.

Learning Objectives

• Explain how producers capture energy through photosynthesis and form the base of energy pyramids.
• Distinguish between primary, secondary, and tertiary consumers based on what they eat.
• Describe why energy transfer between trophic levels is inefficient and how this limits population sizes.+ Show more

Learning Objectives

• Explain how kinetic and potential energy are related through energy transfer in mechanical systems.
• Use conservation of mechanical energy to predict how changes in height, mass, and speed affect motion (ignoring friction).
• Describe how safety and structural loading depend on how energy changes with speed and elevation.

Learning Objectives

• Explain how the law of conservation of mass applies to closed or near-closed systems
• Use mass budgeting ideas to relate reactants, products, and measurable masses in reaction and environmental contexts
• Interpret differences between measured and expected mass outcomes using conservation-based reasoning+ Show more

Learning Objectives

• Differentiate between physical and chemical changes based on whether new substances form
• Identify evidence of chemical changes such as gas production, precipitate formation, color change, and temperature change
• Classify common everyday examples as physical or chemical changes

Learning Objectives

• Explain primary and secondary load paths in structural systems
• Describe how diaphragms, shear walls, and moment frames affect stiffness
• Explain how structural redundancy provides alternative load routes+ Show more

Learning Objectives

• Identify and describe major reaction types (synthesis, decomposition, displacement, acid–base neutralization, and combustion).
• Explain how atoms and mass are conserved when reactants form products.
• Match common chemical reactions to their correct reaction type using particle-level reasoning.

Learning Objectives

• Explain how exponential and logistic growth models differ and identify which one matches given scenarios or graphs.
• Describe limiting factors (food availability, predation, disease, and abiotic stress) and how they affect population size.
• Distinguish density-dependent from density-independent influences and predict effects on population curves.+ Show more

Learning Objectives

• Explain how energy transfers through conduction, convection, and radiation
• Use temperature gradients to predict the direction and relative rate of heat flow
• Relate specific heat and phase changes to observable temperature and energy changes

Learning Objectives

• Explain how meiosis creates genetic variation through chromosome segregation and independent assortment.
• Describe how recombination and the mixing of alleles can lead to differences among siblings.
• Connect genetic variation to survival and reproduction in changing environments.