Grade 7 Science Worksheets

Learning Objectives

• Understand how matter is cycled and conserved within organisms during processes like digestion, biosynthesis, and respiration.
• Describe the flow of carbon and nitrogen through different biological pathways.
• Explain how atoms are reused and transformed in biochemical pathways such as macromolecule synthesis and decomposition.+ Show more

Learning Objectives

• Explain how genetic information in reproductive cells leads to inherited traits in offspring
• Compare inherited traits and environmental influences using examples
• Use simple inheritance patterns (dominant/recessive concepts) to predict trait outcomes+ Show more

Learning Objectives

• Understand the causes of urban heat island phenomena and their effects on microclimates.
• Identify various mitigation strategies to reduce urban heat and their benefits.
• Analyze the impact of urban heating on energy consumption, air quality, and outdoor comfort.

Learning Objectives

• Identify the three primary modes of thermal energy transfer: conduction, convection, and radiation.
• Describe the molecular mechanisms underlying each mode of energy transfer.
• Compare the typical media and rates at which conduction, convection, and radiation transfer heat.+ Show more

Learning Objectives

• Understand the properties of reflective and emissive surfaces in heat management.
• Analyze how surface treatments like coatings and colours influence solar radiation absorption and reflection.
• Evaluate the effectiveness of low-emissivity glazing and reflective roofs in different seasonal and diurnal contexts.+ Show more

Learning Objectives

• Understand the principles of temperature measurement and instrument characteristics.
• Differentiate between liquid-in-glass, bimetallic, and digital thermometers and their appropriate applications.
• Explain the Celsius scale, fixed points, and the importance of calibration for reliable temperature readings.+ Show more

Learning Objectives

• Explain the difference between internal energy and temperature.
• Identify common sources of thermal energy in natural and built environments.
• Describe the direction of heat flow from higher to lower internal energy.+ Show more

Learning Objectives

• Understand how walls, roofs, windows, and foundations contribute to thermal performance.
• Identify methods for measuring envelope performance and retrofit strategies.
• Explain the concepts of interfaces, thermal bridging, and air infiltration in building envelopes.+ Show more

Learning Objectives

• Explain how species richness and species evenness describe biodiversity in a habitat.
• Interpret common biodiversity index values to compare diversity across ecosystems.
• Describe how habitat heterogeneity and niche diversity can increase species turnover.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Explain why mass remains constant in a closed system during reactions.
• Interpret observations of sealed-container reactions to demonstrate mass conservation.+ Show more

Learning Objectives

• Understand the defining properties of pure substances, including fixed melting and boiling points, density, and reactivity.
• Differentiate between elements and compounds through physical and chemical tests.
• Identify examples of pure substances such as elemental metals and common compounds like calcium carbonate.+ Show more

Learning Objectives

• Understand the key indicators of physical changes in substances.
• Identify examples of physical changes in everyday life.
• Explain how particle behavior relates to observable physical transformations.+ Show more

Learning Objectives

• Understand how phase changes involve changes in particle energy and structure.
• Explain the concepts of latent heat during melting, freezing, evaporation, and condensation.
• Relate microscopic particle interactions to macroscopic energy phenomena in phase changes.+ Show more

Learning Objectives

• Understand the definition of saturation and how it relates to solubility.
• Describe the phenomenon of supersaturation and how it can lead to precipitation.
• Identify real-world examples of saturation and supersaturation conditions.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in separating bitumen from oil sands.
• Identify different methods used for physical separation based on density and particle size.
• Explain how chemical treatments and temperature adjustments influence emulsions and dissolved organics.+ Show more

Learning Objectives

• Understand the concept of conservation of mass in chemical reactions.
• Explain how mass is balanced in closed-system reactions.
• Predict product masses based on reactant measurements using mass relationships.+ Show more

Learning Objectives

• Identify observable indicators that signify chemical reactions.
• Explain the significance of gas production, heat exchange, colour shifts, and precipitate formation in reactions.
• Relate observation patterns to reaction types and particle interactions.+ Show more

Learning Objectives

• Identify observable signs of chemical changes such as colour change, gas evolution, and precipitate formation.
• Explain how bond reorganization at the particle level indicates chemical transformations.
• Differentiate between chemical changes and physical changes based on observable evidence.+ Show more

Learning Objectives

• Understand the factors that affect the solubility of substances.
• Explain how temperature, surface area, pressure, and agitation influence solubility.
• Apply knowledge of solubility factors to real-world examples like seasonal salt variation and de-icing procedures.+ Show more

Learning Objectives

• Understand the physical properties exploited by different separation techniques.
• Identify common separation methods like filtration, decanting, evaporation, and magnetic separation.
• Relate regional examples of separation processes to their underlying principles.+ Show more

Learning Objectives

• Explain the principles of mass conservation and their importance in chemical and environmental systems.
• Identify real-world applications of mass conservation in reaction stoichiometry and environmental monitoring.
• Describe how mass budgets and balances are used in closed or near-closed systems.+ Show more

Learning Objectives

• Explain how detritivores, fungi, bacteria, and abiotic factors work together during decomposition
• Describe carbon and nitrogen transformations that occur as organic matter breaks down
• Connect decomposition rates to soil fertility and productivity in different ecosystems

Learning Objectives

• Understand what invasive species are and how they differ from native species.
• Identify the mechanisms by which invasive species spread.
• Recognize the ecological and economic impacts of invasive species.+ Show more

Learning Objectives

• Understand the concept of surface area in biological cells.
• Explain why surface-area-to-volume ratio limits cell size.
• Identify adaptations that increase a cell's surface area for better exchange.

Learning Objectives

• Explain the evidence supporting the theory of plate tectonics and continental drift.
• Describe geological features such as mid-ocean ridges, trenches, and mountain ranges related to plate movements.
• Interpret patterns of fossils, rock types, and magnetic striping to understand historical continental positions.+ Show more

Learning Objectives

• Understand how material properties influence energy transfer in systems.
• Analyze and compare different modes of energy transfer such as conduction, convection, and radiation.
• Apply conservation principles to quantify energy performance in passive and active systems.+ Show more

Learning Objectives

• Understand various human activities that impact the environment such as deforestation, urban expansion, and pollution.
• Learn how scientists monitor environmental changes using indicators like water quality and air measurements.
• Explore mitigation strategies including land restoration and policy efforts to reduce human impacts.+ Show more

Learning Objectives

• Analyze how human population growth affects demand for water, energy, land, and materials.
• Understand the environmental consequences of increased consumption, urbanization, and waste.
• Evaluate regional examples demonstrating resource use and sustainability challenges.+ Show more

Learning Objectives

• Analyze evidence for climate change drivers including greenhouse gases, land-use change, and natural variability.
• Assess impacts of climate change on sea level, precipitation, agriculture, and human systems.
• Evaluate mitigation and adaptation strategies and understand societal influences on future climate risks.

Learning Objectives

• Analyze patterns and data related to natural hazard events such as earthquakes, volcanoes, hurricanes, floods, and tsunamis.
• Interpret hazard maps, recurrence intervals, and probabilistic forecasts to assess risks.
• Understand the cascading impacts of hazards on infrastructure, ecosystems, and human settlements.+ Show more

Learning Objectives

• Understand how cells communicate via chemical and electrical signals.
• Identify the role of receptor proteins, gap junctions, and plasmodesmata.
• Explain mechanisms of signal specificity, amplification, and regulation.+ Show more

Learning Objectives

• Explain qualitatively how pressure, volume, and temperature of gases are interrelated.
• Describe phenomena such as diffusion and compressibility in gases.
• Relate macroscopic observations like pressure changes under applied force and confinement.+ Show more

Learning Objectives

• Understand the steps involved in the design process
• Identify functional requirements and constraints
• Learn how to compare design alternatives using criteria and trade-offs+ Show more

Learning Objectives

• Explain how surface albedo and emissivity influence radiative heat exchange between buildings and the environment
• Compare reflective roofs and low-emissivity glazing as strategies to reduce unwanted solar gain and radiative heat loss
• Use seasonal and diurnal changes in irradiance to predict when radiative strategies are most effective

Learning Objectives

• Understand the classification of matter into pure substances, mixtures, and solutions.
• Identify characteristics of elements, compounds, and homogeneous mixtures.
• Explain real-world examples of different matter types under environmental conditions.+ Show more

Learning Objectives

• Explain how greenhouse gases, land-use change, and natural variability can influence climate.
• Interpret basic evidence from temperature and CO2 records to identify likely climate drivers.
• Describe impacts of climate change on sea level, precipitation, and agricultural productivity.+ 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

• Explain how anthropogenic pollutants enter ecosystems through key exposure pathways in aquatic and terrestrial environments.
• Describe how nutrients, hydrocarbons, and airborne pollutants can affect organism health and ecosystem chemistry.
• Connect pollutant sources to observable ecological effects such as food web changes and bioaccumulation risks.

Learning Objectives

• Define thermal energy and distinguish it from temperature.
• Identify common sources of thermal energy in natural and human-made environments.
• Explain the flow of thermal energy from higher to lower internal energy objects.+ Show more

Learning Objectives

• Understand different ecological monitoring techniques used in Alberta.
• Identify key considerations for designing long-term ecological studies.
• Explain how consistent data collection helps detect ecological trends.+ Show more

Learning Objectives

• Define momentum and explain its role in collisions
• Differentiate between elastic and inelastic collisions
• Predict post-collision velocities based on mass and speed+ Show more

Learning Objectives

• Understand the steps involved in the technological design process.
• Identify examples and trade-offs in prototyping and optimization.
• Recognize the importance of documentation and measurement in design decisions.+ Show more

Learning Objectives

• Define the different states of matter based on particle arrangement and energy.
• Describe phase changes such as melting, freezing, vaporization, condensation, and sublimation.
• Explain how temperature and pressure influence state transitions and measurable properties like density and viscosity.+ Show more

Learning Objectives

• Explain that adaptations are inherited traits that improve survival or reproduction in specific environments.
• Identify evidence for adaptation from population differences, fossil records, and documented environmental change.
• Use scientific reasoning to connect trait evidence to selection pressures in an environment.

Learning Objectives

• Explain how magma forms through different geological processes such as decompression, heat transfer, and volatile addition.
• Describe the relationship between cooling rates and the texture/mineral composition of igneous rocks.
• Identify the roles of fractional crystallization and magma mixing in producing diverse igneous rocks.+ Show more

Learning Objectives

• Understand the processes involved in landscape evolution including tectonic uplift, erosion, and volcanic activity.
• Identify how climate influences weathering and material transport in landscape change.
• Explain the cycle of mountain building and denudation over geologic time.+ Show more

Learning Objectives

• Understand how carbon moves through biological processes
• Describe the pathways of matter recycling within organisms
• Explain how atoms are conserved during metabolic activities+ Show more

Learning Objectives

• Identify the main organelles in plant cells
• Understand the functions of nucleus, mitochondria, chloroplasts, endoplasmic reticulum, and membranes
• Compare plant cell structures with animal cells+ Show more