Grade 7 Science Worksheets

Learning Objectives

• Understand predator-prey relationships and their effects on populations.
• Identify different types of interactions among organisms, including mutualism and competition.
• Analyze how interactions influence resource availability and population dynamics.

Learning Objectives

• Use metric prefixes and unit analysis to report measurements with appropriate numerical precision and units
• Explain how calibration and instrument choice affect measurement accuracy and uncertainty
• Estimate variability using repeating trials and incorporate uncertainty into calculations

Learning Objectives

• Identify performance metrics, constraints, and trade-offs in real-world design problems
• Use parameter variation and sensitivity analysis to compare how changes affect outcomes
• Apply basic cost-benefit reasoning to evaluate design alternatives under constraints+ Show more

Learning Objectives

• Differentiate weather and climate using time scales and typical patterns.
• Explain how solar energy, atmospheric circulation, and water distribution shape climate.
• Describe how ocean heat storage and release can influence regional climate patterns.

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 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

• Identify standard units and explain why instrument choice affects measurement quality.
• Read measurements accurately using correct scale divisions and significant figures.
• Distinguish random error from systematic error and describe uncertainty in readings.+ Show more

Learning Objectives

• Identify patterns in how often natural hazards occur, their typical magnitudes, and where they are most likely to happen
• Interpret hazard maps and explain how recurrence intervals and probabilistic forecasting help estimate risk
• Describe cascading impacts of hazards on infrastructure, ecosystems, and people living in floodplains or coastal areas

Learning Objectives

• Describe how nutrient runoff, hydrocarbons, and airborne deposition can enter ecosystems.
• Explain how pollutants can affect organism health and alter food web interactions.
• Identify the role of bioaccumulation and biomagnification in aquatic and terrestrial systems.+ Show more

Learning Objectives

• Identify the defining features of mutualism, commensalism, and parasitism.
• Use examples to explain how different symbiosis types affect populations over time.
• Describe how symbiotic relationships can change resource distribution and drive coevolution.

Learning Objectives

• Describe how beam bending, shear, and deflection relate to loads and supports
• Identify how span-to-depth ratio and material stiffness affect beam performance
• Use service load ideas to judge whether a beam meets stability and comfort needs

Learning Objectives

• Describe how energy moves through a food web from producers to consumers and decomposers
• Identify trophic levels and dependency chains in an interconnected food web
• Explain how adding or removing a species can change trophic connections and network stability

Learning Objectives

• Describe how traditional ecological knowledge (TEK) helps people understand seasonal cycles and ecological relationships
• Identify examples of place-based indicators and oral histories used to observe species and habitats over time
• Explain why multiple knowledge systems can complement each other when interpreting long-term environmental patterns+ Show more

Learning Objectives

• Identify abiotic factors and explain how they affect living organisms in an ecosystem.
• Describe cause-and-effect relationships between resource availability and community patterns.
• Classify examples as biotic or abiotic and use evidence from a passage to support answers.

Learning Objectives

• Describe how standardized ecological monitoring protocols help detect trends over time.
• Identify appropriate methods for collecting habitat and species data (e.g., fixed-site surveys, point counts, remote sensing, water quality sampling).
• Explain why temporal replication and data quality checks improve the reliability of results.+ Show more

Learning Objectives

• Describe how population trends, threats, and recovery potential are used to evaluate conservation risk.
• Identify how land use, genetic diversity, and habitat connectivity affect a species' vulnerability.
• Interpret evidence from examples such as the swift fox and at-risk plants to explain regional persistence.

Learning Objectives

• Explain how food availability and breeding needs influence migration timing and routes
• Describe how migration connects distant habitats and affects population dynamics
• Identify timing cues and energetic demands that shape migratory movement+ Show more

Learning Objectives

• Describe how adaptation traits can improve survival and reproduction in specific environments.
• Explain how selective pressures change which traits become more common in a population over generations.
• Identify examples of structural, physiological, and behavioural adaptations from an Alberta habitat context.+ Show more

Learning Objectives

• Identify chemical formulas and distinguish between reactants and products in a chemical equation.
• Understand the mole concept and its application in quantifying substances.
• Use balanced symbolic equations to determine ratios of substances involved in chemical reactions.+ Show more

Learning Objectives

• Identify and describe conduction, convection, and radiation as modes of energy transfer.
• Differentiate between conduction, convection, and radiation in various energy systems.
• Understand how these transfer modes affect system efficiency and building design.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the causes of earthquakes related to fault movement
• Identify the different types of faults and their motion
• Learn how seismic waves are generated and their properties+ Show more

Learning Objectives

• Understand what an ecosystem is and its key components.
• Learn how ecosystems respond to disturbances.
• Recognize factors that contribute to ecosystem resilience.+ Show more

Learning Objectives

• Understand the concept of density and how it helps identify materials.
• Learn about melting point and its significance in material properties.
• Compare different substances based on their physical properties.+ Show more

Learning Objectives

• Understand the properties of timber relevant to construction
• Compare the strength, stiffness, and environmental resilience of timber, steel, and concrete
• Analyze how material behavior under load influences long-term performance and maintenance+ Show more

Learning Objectives

• Classify matter as a pure substance or mixture using uniformity and fixed or variable composition
• Explain how pure substances have characteristic melting points while mixtures may not
• Identify solutions as homogeneous mixtures where solute particles disperse throughout

Learning Objectives

• Classify rocks as igneous, sedimentary, or metamorphic based on their formation process and common textures.
• Use evidence such as grain size, mineral composition, and rock structures to identify rock types.
• Explain how Earth’s heat, pressure, and fluid activity can change existing rocks over time.

Learning Objectives

• Understand how surface texture affects friction
• Identify different types of resistive forces
• Explain how friction converts kinetic energy into thermal energy+ Show more

Learning Objectives

• Differentiate between weather and climate using temperature, precipitation, humidity, and wind.
• Explain how averages and variability over years or decades define climate.
• Use evidence from data or scenarios to decide whether an observation is weather or climate.+ Show more

Learning Objectives

• Identify different types of food molecules: carbohydrates, proteins, fats, vitamins, and minerals.
• Understand the roles of food molecules in providing energy and building materials for the body.
• Recognize how food molecules are broken down and used in body processes.

Learning Objectives

• Learn how substances react with oxygen based on their properties.
• Identify which materials burn easily and which do not.
• Predict possible chemical reactions during interactions with oxygen.+ Show more

Learning Objectives

• Explain how homologous and analogous structures provide evidence for evolutionary relationships.
• Identify patterns in limb bones and skull morphology that suggest descent with modification.
• Use anatomical evidence alongside basic genetic and fossil information to make reasonable phylogenetic inferences.

Learning Objectives

• Explain how problem definition guides a design project using clear criteria and realistic constraints.
• Identify how trade-off matrices and feasibility criteria help compare conceptual solutions.
• Describe how iteration improves alignment between objectives and available materials, cost, and environmental factors.

Learning Objectives

• Understand how to read and interpret line graphs
• Identify trends and patterns in scientific data
• Evaluate the significance of outliers in data sets+ Show more

Learning Objectives

• Explain qualitatively how gas pressure, volume, and temperature are interdependent during everyday situations.
• Describe how diffusion spreads gas particles from areas of higher to lower concentration.
• Connect compressibility and pressure changes to the behavior of gases in confined spaces.

Learning Objectives

• Identify different types of forces such as gravity, friction, air resistance, and applied forces.
• Understand how forces can change the motion of objects.
• Differentiate between balanced and unbalanced forces.+ Show more

Learning Objectives

• Explain how producers use light, carbon dioxide, and water to make sugars through photosynthesis.
• Describe how photosynthesis transfers matter (atoms) and energy through trophic levels.
• Interpret statements about photosynthesis using accurate scientific terminology.

Learning Objectives

• Explain how elevated pressure, temperature, and chemically active fluids can change preexisting rocks without complete melting
• Compare contact metamorphism and regional metamorphism based on where they occur and what textures/minerals form
• Use metamorphic minerals and fabric (foliation, recrystallization) to infer metamorphic grade and rock history+ Show more

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

• Differentiate between biotic factors and abiotic factors in ecosystems.
• Explain how abiotic conditions influence which organisms can survive.
• Describe how changes in abiotic factors can shift biotic interactions and population sizes.

Learning Objectives

• Explain how igneous, sedimentary, and metamorphic rocks form in the rock cycle
• Describe how weathering, compaction, cementation, heat, and pressure change Earth materials
• Connect surface processes and subsurface processes to show how rocks transform over geologic time

Learning Objectives

• Understand the principles of fair testing in scientific experiments.
• Identify appropriate measurement tools and units for testing variables.
• Explain how consistent measurement allows valid comparisons of results.+ Show more

Learning Objectives

• Explain how iterative refinement and quantitative comparison improve structural design.
• Describe topology/form optimization ideas and how performance criteria guide material efficiency.
• Apply life-cycle assessment and constructability constraints to choose feasible solutions.+ Show more

Learning Objectives

• Explain how thermal energy moves using models of conduction, convection, and radiation
• Use temperature differences to predict the direction of heat transfer
• Describe how energy transfer can change the temperature of materials over time+ Show more

Learning Objectives

• Understand how internal systems support animal survival
• Identify external features that protect and aid animals
• Explain how traits improve resource acquisition and reproduction

Learning Objectives

• Explain ecological succession as predictable changes in community composition after a disturbance.
• Distinguish primary succession from secondary succession and describe typical stages in each.
• Describe how abiotic changes (such as soil development) and biotic interactions (such as competition and facilitation) drive species turnover.

Learning Objectives

• Explain how water, wind, ice, and gravity can rapidly change Earth’s surface
• Describe how long-term processes reshape landscapes over time
• Compare gradual and sudden events (such as erosion vs. earthquakes/volcanoes) and their effects+ Show more

Learning Objectives

• Identify different forms of energy such as mechanical, chemical, electrical, and thermal.
• Describe how energy transforms from one form to another in various systems.
• Understand the concept of energy conservation during transformations.+ Show more