Grade 7 Science Worksheets

Learning Objectives

• Explain how friction and air resistance oppose motion and reduce an object's speed.
• Describe how surface texture and contact between surfaces affect the strength of resistive forces.
• Use the idea of resistive forces acting opposite motion to predict how quickly objects slow down.+ Show more

Learning Objectives

• Understand the fundamental components of a scientific inquiry, including questions, hypotheses, and variables.
• Recognize the importance of measurement precision, documentation, and safety procedures in laboratory settings.
• Identify ethical considerations in data reporting and the role of peer review in ensuring reliability.+ Show more

Learning Objectives

• Explain how melting point, boiling point, conductivity, refractive index, and gravimetric residue can indicate purity or contamination.
• Use “multiple lines of evidence” to justify whether a sample is likely pure.
• Compare how different tests respond to different kinds of impurities and describe trade-offs.

Learning Objectives

• Distinguish weather from climate and explain how climate is influenced by long-term drivers.
• Describe how solar energy, atmospheric circulation, and the distribution of water shape regional climate.
• Explain how ocean processes affect heat storage and heat release and how that can shift precipitation patterns over time.

Learning Objectives

• Identify different materials and their properties related to heat transfer.
• Explain how atomic structure affects thermal conductivity.
• Compare metals, ceramics, polymers, and composites in terms of heat transfer efficiency.+ Show more

Learning Objectives

• Describe how DNA molecules are organized into chromosomes and how they encode genes that influence traits.
• Explain the process of chromosome segregation during gamete formation and fusion.
• Understand how genetic material is inherited from both parents through chromosomal transmission.+ Show more

Learning Objectives

• Explain how unequal solar heating drives global wind patterns
• Describe how Earth’s rotation influences global atmospheric circulation
• Identify roles of Hadley, Ferrel, and polar circulation cells+ Show more

Learning Objectives

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

Learning Objectives

• Explain how average particle kinetic energy is related to temperature.
• Describe how thermal energy depends on both particle motion and number of particles.
• Use the particle model to connect microscopic motion to pressure and thermal changes.

Learning Objectives

• Explain how temperature relates to the average random kinetic energy of particles
• Describe how microscopic particle motion and particle number influence thermal energy
• Use molecular speed ideas to interpret differences in air mass temperatures+ Show more

Learning Objectives

• Explain how limiting factors affect population size over time
• Compare exponential and logistic growth using carrying capacity
• Interpret population graphs for density-dependent influences+ Show more

Learning Objectives

• Explain how homologous structures provide evidence of shared ancestry
• Compare homologous and analogous structures by evolutionary relatedness
• Interpret anatomical evidence from modern organisms+ Show more

Learning Objectives

• Explain how weather data (temperature, wind, humidity, and precipitation) can reveal patterns across time and location
• Differentiate weather from climate and describe how climate change can occur over long periods
• Use examples of air pressure and air mass movement to interpret weather data patterns+ Show more

Learning Objectives

• Define biodiversity in terms of genetic, species, and ecosystem diversity.
• Compare biodiversity richness, evenness, and habitat heterogeneity and explain what each can indicate.
• Use biodiversity metrics to interpret patterns related to ecosystem resilience and function.

Learning Objectives

• Understand factors that influence population size and distribution.
• Explain patterns of exponential and logistic growth in populations.
• Analyze how predator-prey relationships and limiting factors affect community dynamics.+ Show more

Learning Objectives

• Identify parts of a mixture in oil sands using physical properties.
• Distinguish physical separation steps from chemical changes during processing.
• Explain how density, particle size, temperature, and additives affect mixture behavior.

Learning Objectives

• Describe how natural selection changes trait frequencies in a population over many generations
• Explain why natural selection does not require organisms to develop traits during their lifetime
• Use examples (like antibiotic resistance) to connect heritable variation to survival and reproduction+ Show more

Learning Objectives

• Explain how solution concentration describes the amount of solute compared with solvent
• Identify how concentration changes boiling point elevation and freezing point depression
• Use concentration measures such as mass percent and grams per litre to describe dilution or saturation+ Show more

Learning Objectives

• Explain how running water, glaciers, wind, and gravity erode rocks and transport sediment
• Describe how transport energy and distance affect sediment grain size and sorting
• Interpret clues from sedimentary signatures to reconstruct past environments

Learning Objectives

• Describe how wetlands store water and help regulate water flow across a landscape.
• Explain how wetlands cycle nutrients and filter sediments in water.
• Identify how wetland habitats support amphibians and migratory birds.+ Show more

Learning Objectives

• Explain how cells, tissues, and organ systems work together to maintain homeostasis in the human body.
• Describe how transport proteins and membrane pumps regulate nutrient levels, ion concentrations, and water balance.
• Connect hormone signaling and coordinated transport processes to maintaining stable internal conditions (such as blood glucose).

Learning Objectives

• Explain how model evaluation compares predictions to evidence.
• Identify assumptions that may be wrong when model outputs do not match data.
• Describe how computational simulations and input changes help test assumptions.+ Show more

Learning Objectives

• Explain how physical properties such as melting point, boiling point, conductivity, and refractive index indicate whether a substance is pure or contaminated.
• Use multiple lines of evidence to judge purity and describe why one single test can be misleading.
• Compare techniques by discussing trade-offs such as temperature precision, sample size, and suitability for ionic versus non-ionic substances.

Learning Objectives

• Describe how cells communicate using chemical and electrical signals.
• Identify the structures involved in cell communication, such as receptor proteins and gap junctions.
• Explain the importance of signal specificity, amplification, and feedback in regulating physiological processes.+ Show more

Learning Objectives

• Identify material properties such as strength, stiffness, density, and environmental resilience
• Explain how compression, tension, and bending affect long-term performance of common materials
• Use evidence from a passage to support maintenance and design choices in cold, snowy climates

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 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

• Explain how walls, roofs, windows, and foundations work together to affect a building’s thermal performance.
• Identify how thermal bridging and air infiltration influence heat loss and heat gain.
• Describe how insulation placement and continuous air/thermal barriers can reduce energy use.+ Show more

Learning Objectives

• Explain how energy moves from producers through successive trophic levels
• Calculate trophic efficiency using percent-based energy transfer examples
• Interpret how respiration and heat reduce available energy+ Show more

Learning Objectives

• Explain how DNA is organized into chromosomes and genes
• Model chromosome segregation during gamete formation
• Describe how DNA sequence differences create trait variation+ Show more

Learning Objectives

• Identify independent, dependent, and controlled variables in real experimental scenarios.
• Use operational definitions to measure variables in a fair test.
• Design fair comparisons using controls, consistent timing, and replication to support valid causal claims.

Learning Objectives

• Explain the difference between temperature and heat using particle motion and energy transfer
• Identify how conduction, convection, and radiation move thermal energy
• Use real-world examples to predict how thermal exchanges affect environments

Learning Objectives

• Understand the roles of producers and consumers within an ecosystem.
• Identify the energy transfer process and its limitations among trophic levels.
• Describe how energy flow influences population structure in communities.+ Show more

Learning Objectives

• Explain how conduction, convection, and radiation transfer thermal energy and give real-world examples.
• Relate temperature differences to the direction of heat flow and to measurable effects like warming rates.
• Describe how specific heat and phase changes affect thermal energy transfer without always changing temperature.

Learning Objectives

• Analyze test data to identify design parameters that improve performance
• Compare design performance quantitatively under material and cost constraints
• Justify iterative design changes using quantitative test evidence+ Show more

Learning Objectives

• Draw and interpret free-body diagrams to represent all relevant forces acting on an object.
• Resolve forces into perpendicular components and use them to find net force magnitude and direction.
• Use vector addition ideas to predict how net force relates to acceleration down an incline.

Learning Objectives

• Understand the origins and formation of the solar system.
• Identify key properties and features of planets and other celestial bodies.
• Describe orbital relationships and phenomena such as eclipses and phases.+ Show more

Learning Objectives

• Explain how chemical change indicators (gas, color change, temperature change, precipitate, and irreversibility) provide evidence that new substances formed.
• Compare chemical vs. physical changes using observed and measured evidence.
• Use multiple indicators and basic data to support a claim that a chemical change occurred.

Learning Objectives

• Understand the different forms of energy and how they transform from one to another.
• Identify real-world examples of energy transformations in Alberta's resource use.
• Explain the law of conservation of energy during various energy processes.+ Show more

Learning Objectives

• Identify observable signs of chemical changes such as colour change, gas evolution, and temperature change.
• Explain at particle level how bonds are broken and formed during a chemical reaction.
• Differentiate between physical and chemical changes based on evidence provided.+ Show more

Learning Objectives

• Describe how energy flows through a food web using trophic levels (producers, consumers, decomposers).
• Interpret how dependencies among organisms form chains and webs.
• Explain how removing or adding a species can change trophic connections and ecological stability.

Learning Objectives

• Describe trait changes in populations using allele frequency models
• Interpret selection and drift using probability and quantitative reasoning
• Calculate expected genotype frequencies from allele frequencies+ Show more

Learning Objectives

• Explain how atoms move through an ecosystem via photosynthesis, respiration, feeding, decomposition, and soil/water transport
• Identify how decomposers return nutrients to the environment and support new plant growth
• Differentiate matter cycling (recycling atoms) from energy flow (one-way movement with heat loss)

Learning Objectives

• Explain how thermal resistance reduces heat flow between two environments
• Use R-values and material thickness to compare insulation performance
• Identify where thermal bridges happen and why they matter+ Show more

Learning Objectives

• Understand how adaptive traits become common in populations through natural selection.
• Identify factors such as variation, heritability, and environmental pressures that influence trait distribution.
• Apply examples like camouflage and pesticide resistance to illustrate the process of selection.+ Show more

Learning Objectives

• Classify matter as an element, a compound, a mixture, or a solution based on properties and composition
• Distinguish mixtures from solutions using evidence of uniformity and separability
• Explain why temperature and observable behavior can differ for road salt and dissolved salts in water

Learning Objectives

• Explain how thermal conductivity and specific heat capacity affect heat transfer and temperature change.
• Compare how density, porosity, and moisture content influence effective thermal conductivity in building materials.
• Describe why phase change materials can change thermal behavior during heating or cooling.+ Show more

Learning Objectives

• Understand the basic components and flow of Earth's atmospheric and oceanic circulation.
• Identify the roles of different circulation cells and their impact on climate.
• Explain the Coriolis effect and its influence on wind and ocean current directions.+ Show more