Grade 7 Science Worksheets

Learning Objectives

• Identify independent, dependent, and controlled variables in a scientific investigation
• Understand the role of variables in determining experimental outcomes
• Differentiate between types of variables through examples

Learning Objectives

• Understand the importance of defining variables in experiments
• Identify independent, dependent, and controlled variables
• Learn how to establish operational definitions and control conditions+ Show more

Learning Objectives

• Understand the roles of independent, dependent, and controlled variables in experiments.
• Explain the importance of operational definitions and fair test design for valid causal conclusions.
• Identify sources of confounding and how to minimize bias in sampling and experimentation.+ Show more

Learning Objectives

• Understand the core metrics used to describe populations, such as size, density, and distribution patterns.
• Explain how demographic factors like births, deaths, immigration, and emigration influence population change.
• Analyze how environmental conditions interact with population dynamics over short-term and long-term scales.+ Show more

Learning Objectives

• Explain the basic concepts of the particle model of matter, including particle spacing, motion, and forces.
• Relate the particle model to observable properties such as density, pressure, and compressibility.
• Describe how particle arrangements influence phenomena like diffusion, thermal expansion, and response to forces.

Learning Objectives

• Explain how friction opposes relative motion between surfaces.
• Compare static friction and kinetic friction using real examples.
• Identify how surface texture and normal force affect frictional force.+ 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

• Identify biotic and abiotic components of ecosystems and describe how each affects living things
• Distinguish producers, consumers, and decomposers and explain their roles in energy flow
• Use simple food chains (pond and forest examples) to describe how matter cycles through an ecosystem+ Show more

Learning Objectives

• Understand the components of a food web, including producers, consumers, and decomposers.
• Identify different species in Alberta wetlands and river systems and their roles.
• Explain the flow of energy through a food web and how species interactions maintain ecological balance.+ Show more

Learning Objectives

• Understand different types of data structures such as tables and logs
• Identify proper formatting and units in recorded data
• Learn the importance of metadata and documentation for scientific data+ Show more

Learning Objectives

• Explain how push and pull forces can change an object's state of motion
• Distinguish between contact forces and non-contact forces using real-world examples
• Describe how net force relates to acceleration in qualitative terms

Learning Objectives

• Explain the concepts of torque, fulcrum placement, and mechanical advantage in lever and pulley systems.
• Relate geometric principles to force multiplication in simple machines.
• Calculate input and output forces in lever and pulley configurations using basic arithmetic.+ Show more

Learning Objectives

• Explain the concepts of static and kinetic friction and how surface texture affects them.
• Describe how aerodynamic drag influences motion in vehicles and outdoor equipment.
• Relate the relationship between normal force, surface texture, and frictional coefficient.+ Show more

Learning Objectives

• Describe the six types of simple machines and their functions.
• Explain how mechanical advantage is calculated and its importance in using simple machines.
• Identify examples of simple machines used in Alberta's farms and loading equipment.+ Show more

Learning Objectives

• Understand the key quantities used to measure motion: distance, time, and speed.
• Learn how to accurately compute average speed from given data.
• Identify common sources of measurement error in motion experiments.+ Show more

Learning Objectives

• Understand the concepts of span, support conditions, and load types in beam analysis.
• Relate beam performance to real-world applications such as highway girders and building joists.
• Evaluate how span-to-depth ratios, material stiffness, and service loads influence beam stability and comfort.+ Show more

Learning Objectives

• Understand key material properties such as strength, stiffness, and density in load-bearing structures.
• Compare how timber, steel, and concrete perform under various environmental conditions.
• Analyze the behavior of different materials under compression, tension, and bending stresses.+ Show more

Learning Objectives

• Interpret variability and measures of central tendency such as mean, median, and range to evaluate data reliability.
• Use graphical cues like box plots and histograms to assess data spread and identify outliers.
• Recognize misleading data representations and evaluate data consistency using replicated trials and proportional comparisons.+ 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

• Understand how plate tectonics shape Earth's surface through various geological features and processes.
• Identify different landforms and features caused by tectonic movements, volcanic activity, and surface weathering.
• Recognize evidence that connects geological processes to present-day landforms.

Learning Objectives

• Understand the concept of structural and physiological adaptations to cold environments
• Identify specific adaptations that help species survive in boreal habitats
• Analyze how adaptations contribute to survival and reproductive success

Learning Objectives

• Explain how calibration and traceable reference points improve temperature measurement accuracy in environmental settings.
• Identify common sources of temperature-measurement error, including response time, spatial placement, radiation effects, and thermal contact.
• Interpret temperature readings using uncertainty, resolution limits, and sensor specifications to make fair comparisons.

Learning Objectives

• Explain the design process from requirements and constraints to concept generation and selection.
• Describe how performance objectives (such as load capacity, stiffness, and serviceability) guide design decisions.
• Use criteria, trade-off analysis, and decision matrices to compare alternatives and justify a preferred solution.+ Show more

Learning Objectives

• Explain what air masses are and how their source regions affect temperature and moisture.
• Describe how fronts form when different air masses meet.
• Compare the weather changes commonly associated with warm fronts and cold fronts.

Learning Objectives

• Analyze evidence for climate change drivers using temperature and CO2 record ideas
• Explain how land-use change and natural variability can influence climate patterns
• Assess impacts of climate change on sea level, precipitation, and food systems+ Show more

Learning Objectives

• Explain how human activities affect land, water, air, and ecosystems using scientific indicators and data.
• Use examples of monitoring tools (water-quality indicators, remote sensing, air measurements) to infer trends in human impacts.
• Evaluate mitigation strategies and describe trade-offs between economic needs and long-term environmental resilience.

Learning Objectives

• Explain how probability concepts can be used to predict genetic variation among offspring.
• Interpret Punnett square outcomes to determine likelihoods of genotypes and phenotypes.
• Calculate the expected proportions of different genotypes and phenotypes in monohybrid crosses.+ Show more

Learning Objectives

• Understand and define key concepts of mean, median, and mode in data analysis.
• Describe measures of dispersion such as interquartile range and variance.
• Interpret graphical summaries and understand their limitations in data representation.+ Show more

Learning Objectives

• Understand the concepts of independent, dependent, and controlled variables.
• Learn how to develop operational definitions for variables.
• Identify sources of confounding and design fair tests to establish causal relationships.+ Show more

Learning Objectives

• Analyze the societal, economic, and environmental impacts of various technologies.
• Evaluate short-term and long-term consequences associated with technological developments.
• Assess ethical considerations and policy responses related to technology impacts.+ Show more

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Describe how unbalanced forces cause changes in an object's motion.
• Use diagrams and reasoning to analyze the effects of forces, including friction and applied forces.+ Show more

Learning Objectives

• Identify observable signs indicating a chemical reaction has occurred.
• Explain the significance of mass conservation in chemical reactions.
• Differentiate between physical and chemical changes based on evidence and energy considerations.+ Show more

Learning Objectives

• Explain the concept of long-range forces such as gravity, electric, and magnetic interactions.
• Describe how gravity is universally attractive and its qualitative relationship with mass and distance.
• Identify examples of electric and magnetic phenomena in everyday life and planetary motion.+ Show more

Learning Objectives

• Identify and differentiate between physical and chemical properties of materials.
• Quantitatively and qualitatively describe properties such as density, melting point, solubility, electrical conductivity, reactivity, and flammability.
• Analyze property data to classify substances and determine appropriate separation strategies.+ Show more

Learning Objectives

• Explain how mathematical models describe changes in trait frequencies within populations.
• Interpret statistical data and graphical displays related to population dynamics and selection.
• Apply Hardy-Weinberg principles and frequency calculations to support hypotheses about evolution.+ Show more

Learning Objectives

• Understand the mechanisms of heat transfer including conduction, convection, radiation, sound, and electric current.
• Identify examples of thermal energy transfer in everyday life.
• Describe measurable evidence and differences in heat transfer modes.+ Show more

Learning Objectives

• Understand models that represent potential energy stored in systems based on object arrangement and interactions.
• Identify different types of potential energy such as gravitational, elastic, and magnetic.
• Explain how changes in spatial arrangement impact stored energy and subsequent motion or work.+ Show more

Learning Objectives

• Explain how energy transfers occur during changes in an object's motion.
• Identify real-world examples of kinetic, thermal, sound, and other energy transfers.
• Analyze scenarios involving energy redistribution during collisions and bouncing.+ Show more

Learning Objectives

• Understand the concept of scientific models and how they predict outcomes.
• Identify evidence used to evaluate the accuracy of models.
• Learn how to interpret computational simulations in model evaluation.+ Show more

Learning Objectives

• Define control methods and their importance in scientific experiments.
• Identify various comparison and control conditions used in experiments.
• Explain how control methods improve the reliability of experimental results.

Learning Objectives

• Identify how Earth's axial tilt influences sunlight distribution and seasons.
• Describe the relationship between Earth's rotation and day-night cycles.
• Explain the cyclic patterns of lunar phases and their connection to the Sun-Earth-Moon system.

Learning Objectives

• Identify and describe the three primary modes of thermal energy transfer: conduction, convection, and radiation.
• Differentiate between the media and mechanisms involved in each mode of transfer.
• Use everyday examples to illustrate how heat moves through solids, fluids, and surfaces.+ Show more

Learning Objectives

• Understand how Earth's geological processes influence the distribution of mineral, energy, and groundwater resources.
• Identify the role of plate tectonics, sedimentation, weathering, and biological activity in resource formation.
• Analyze geologic maps, cross sections, and case studies to evaluate resource locations.+ Show more

Learning Objectives

• Describe different types of species interactions and provide examples.
• Analyze ecological food webs and predict effects of changes within communities.
• Explain how species behaviors influence community structure across ecosystems.+ Show more

Learning Objectives

• Understand systematic data recording methods including tabular formats and metadata standards.
• Identify appropriate units, consistent headings, and timestamp conventions in time-series data.
• Recognize the importance of observational logs, sampling frame documentation, and replication records.+ Show more

Learning Objectives

• Identify the roles of tension and compression in truss members using qualitative reasoning
• Explain how the method of joints uses equilibrium at joints to infer member forces
• Compare common truss forms (Pratt, Warren, Howe) in terms of where tension and compression tend to occur+ Show more

Learning Objectives

• Explain how wetlands provide hydrological, chemical, and biological functions in an ecosystem
• Describe how wetlands support water storage, nutrient cycling, and habitat for wildlife
• Compare functional roles of different wetland types (e.g., peatlands and marsh complexes)

Learning Objectives

• Identify observable signs that indicate a chemical reaction has occurred
• Differentiate chemical change evidence from physical change evidence
• Connect particle rearrangement to macroscopic observations such as gas, precipitates, and color change