Grade 7 Science Worksheets

Learning Objectives

• Identify key drivers of climate change, including greenhouse gases, land-use changes, and natural variability.
• Analyze evidence from temperature and CO2 records to understand climate system responses.
• Assess impacts of climate change on sea levels, precipitation, and agriculture.+ Show more

Learning Objectives

• Describe how different organ systems in multicellular animals work together to support vital functions.
• Explain mechanisms of cooperation such as oxygen transport, nutrient absorption, and waste removal within organ systems.
• Compare the organ system interactions in humans and plants to understand system-level dependencies and feedback.

Learning Objectives

• Explain how resource availability impacts population growth and size.
• Interpret logistic growth curves and concepts of carrying capacity.
• Analyze examples of population responses to limited resources, such as deer herd fluctuations and algal blooms.+ Show more

Learning Objectives

• Explain the mechanisms of natural selection and how they lead to adaptation in populations.
• Identify key sources of genetic variation and describe their roles in evolution.
• Analyze how environmental pressures influence the survival and reproductive success of organisms.

Learning Objectives

• Analyze the significance of stratigraphic sequences and index fossils in dating and correlating fossils.
• Understand the concept of transitional forms and what they reveal about evolutionary lineage.
• Interpret paleontological data to infer macroevolutionary trends such as radiation events and mass extinctions.+ Show more

Learning Objectives

• Understand the concept of conserved embryonic development stages across different taxa.
• Identify morphological similarities in early embryonic structures that reflect evolutionary relationships.
• Analyze how developmental timing and patterning support phylogenetic reconstruction.+ Show more

Learning Objectives

• Describe how homologous and analogous structures provide evidence for evolution.
• Identify different morphological features used to compare species, such as limb arrangements and skull morphology.
• Explain the significance of vestigial organs in understanding evolutionary relationships.+ Show more

Learning Objectives

• Understand the conservation of momentum during collisions.
• Differentiate between elastic and inelastic collisions.
• Apply quantitative principles to analyze real-world collisions.+ Show more

Learning Objectives

• Understand and describe the concept of stoichiometry and its role in chemical reactions.
• Use balanced chemical equations to determine mole ratios and relate quantities of reactants and products.
• Apply conservation principles to calculate the amounts of substances needed or produced in a reaction.+ Show more

Learning Objectives

• Identify observable signs that indicate a chemical reaction has taken place.
• Understand examples of chemical reactions such as rusting, combustion, and neutralization.
• Explain the relationship between observable reaction indicators and changes in composition.+ Show more

Learning Objectives

• Describe the difference between homogeneous and heterogeneous mixtures.
• Identify common examples of solutions, colloids, and suspensions.
• Explain the concepts of solubility, saturation, and concentration in mixtures.+ Show more

Learning Objectives

• Identify and distinguish between physical and chemical properties of materials.
• Analyze property data such as density, melting point, solubility, electrical conductivity, reactivity, and flammability.
• Use measurable attributes to classify materials and predict their responses to temperature and chemical contact.+ Show more

Learning Objectives

• Describe various atomic models and their representations.
• Explain the relationship between subatomic particles and atomic structure.
• Differentiate between molecular and extended network structures and their properties.+ Show more

Learning Objectives

• Describe the key mechanisms that lead to speciation and increase biodiversity.
• Explain examples of speciation such as allopatric divergence, polyploidy, and adaptive radiation.
• Analyze how biogeographic patterns influence the formation of new species.+ Show more

Learning Objectives

• Understand how mathematical representations quantify trait frequencies and population dynamics.
• Analyze simple models of allele frequency change and their implications for evolution.
• Interpret graphical displays of fitness differentials and apply Hardy-Weinberg concepts quantitatively.+ Show more

Learning Objectives

• Describe different types of representations used to convey matter interactions, including chemical equations, graphs, and data tables.
• Interpret and analyze various representations to understand reaction rates, stoichiometric ratios, and phase changes.
• Select appropriate representations to compare measurements and communicate relationships among variables.

Learning Objectives

• Understand the principles of structural optimization and their application in engineering design
• Identify different optimization techniques including topology and form optimization
• Analyze factors influencing optimal design solutions such as cost, strength, and safety margins+ Show more

Learning Objectives

• Understand the concepts of span, support conditions, load types, and their effects on beam stability.
• Relate beam performance criteria to real-world examples such as highway overpass girders and building floor joists.
• Analyze the influence of span-to-depth ratios, material stiffness, and service loads on beam deflection and safety.+ Show more

Learning Objectives

• Understand management strategies used to maintain biodiversity and ecosystem services.
• Evaluate the benefits and trade-offs of habitat corridors, protected areas, and restoration efforts.
• Analyze case examples of wetland restoration and corridor establishment for ecological and social outcomes.+ Show more

Learning Objectives

• Understand the causes and factors that lead to technological inventions and innovations.
• Identify historical examples of inventions and analyze their diffusion and modification over time.
• Distinguish between invention and innovation using real-world examples.+ Show more

Learning Objectives

• Understand the steps involved in the design process from defining requirements to selecting solutions.
• Identify key performance objectives such as load capacity, stiffness, and serviceability.
• Learn to use decision matrices and sketches to compare design alternatives.+ Show more

Learning Objectives

• Define key material properties such as density, strength, stiffness, ductility, toughness, and thermal expansion.
• Explain how these properties influence the performance of structural materials in construction.
• Compare common materials—wood, steel, and reinforced concrete—in terms of strength-to-weight ratio, deformation, and failure modes.+ Show more

Learning Objectives

• Understand how inclined planes distribute work and force components.
• Calculate and interpret mechanical advantage in inclined planes.
• Explore practical applications of inclined planes in Alberta contexts.+ Show more

Learning Objectives

• Describe the hydrological, chemical, and biological functions of wetlands.
• Explain the role of wetlands in nutrient cycling, habitat provision, and sediment filtration.
• Identify examples of Alberta wetlands such as peatlands and marsh complexes.+ Show more

Learning Objectives

• Understand the principles of mechanical separation techniques such as filtration and sedimentation.
• Identify factors affecting filtration efficiency, including pore size and flow behaviour.
• Explore applications of filtration in separating heterogeneous mixtures like suspensions and precipitates.+ Show more

Learning Objectives

• Understand the principles of momentum conservation during collisions.
• Differentiate between elastic and inelastic collisions based on the transfer of energy.
• Apply quantitative concepts of momentum to real-world collision scenarios.+ Show more

Learning Objectives

• Understand the principles of convective heat transfer in fluids.
• Identify the roles of buoyancy and density variations in convection.
• Relate convection mechanisms to environmental phenomena such as sea breezes, thermals, and lake overturning.+ Show more

Learning Objectives

• Understand the concept of urban heat island phenomena and its causes.
• Identify surface materials and urban features that contribute to heat retention.
• Analyze mitigation strategies like urban greenery, cool pavements, and shading.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in extracting and separating bitumen from oil sands.
• Identify the differences between physical separation techniques and chemical treatments in mixture processing.
• Explain the role of density, temperature, and additives in the separation of bitumen.+ Show more

Learning Objectives

• Understand how birth, death, immigration, and emigration influence population size and distribution.
• Identify regional environmental drivers affecting populations such as water availability, fire regimes, and disease outbreaks.
• Analyze how these factors cause fluctuations, extinctions, or expansions of populations.+ Show more

Learning Objectives

• Understand the basic concept of the particle model of matter.
• Describe how atoms and molecules interact during chemical changes.
• Explain why mass remains constant in chemical reactions within a closed system.+ Show more

Learning Objectives

• Understand the systematic approaches involved in ecological inquiry.
• Identify methods to collect and interpret ecological data.
• Recognize local examples of ecological relationships and human impacts.+ Show more

Learning Objectives

• Understand how physical and chemical properties can be used to predict chemical reactions.
• Identify properties such as reactivity with oxygen, acidity, flammability, and solubility.
• Learn to anticipate products and energy changes based on known property trends.+ Show more

Learning Objectives

• Describe categories of abiotic drivers such as temperature, light, soil, moisture, and pH.
• Explain how abiotic factors create environmental templates for communities.
• Discuss how abiotic variability influences resource distribution and species occurrence.+ Show more

Learning Objectives

• Explain the difference between temperature and heat using particle motion and energy transfer
• Describe how thermal energy transfers through conduction, convection, and radiation
• Apply thermal concepts to real-world situations in cold and varied climates

Learning Objectives

• Explain what tradeoffs are in engineering design and why improving one feature can worsen another.
• Use criteria and constraints to map tradeoffs among design options.
• Compare options by judging whether changes meet safety, efficiency, and feasibility limits.+ Show more

Learning Objectives

• Identify the independent variable, dependent variable, and controlled variables in a scientific investigation.
• Use tables and graphs to explain how the dependent variable changes in response to the independent variable.
• Describe how controlling variables improves the fairness and trustworthiness of experimental results.

Learning Objectives

• Calculate average speed using distance and time with correct units
• Convert between meters per second (m/s) and kilometers per hour (km/h)
• Distinguish average speed from instantaneous rate and explain the difference using examples

Learning Objectives

• Explain how inclined planes reduce the required input force by increasing the distance over which the force acts.
• Identify and interpret force components parallel to and perpendicular to the slope.
• Calculate and compare mechanical advantage using input force and load.

Learning Objectives

• Explain how homologous and analogous structures provide evidence for evolution.
• Use comparative anatomy (limb bones, skull traits, vestigial organs) to infer evolutionary relatedness.
• Connect morphological similarities and differences to likely adaptations and phylogenetic relationships.

Learning Objectives

• Compare embryonic development across animal groups to identify conserved stages and transient structures.
• Explain how developmental timing and patterning can support evolutionary relationships.
• Use embryology evidence (e.g., pharyngeal pouches and limb buds) to make claims about shared developmental pathways.

Learning Objectives

• Analyze patterns in the fossil record to make inferences about ancestry and macroevolution over geologic time.
• Explain how stratigraphic sequences, index fossils, and transitional forms provide evidence for evolutionary change.
• Describe how mass extinctions and radiations can be recognized in fossil assemblages and sedimentary layers.

Learning Objectives

• Explain how heritable variation and environmental pressures lead to natural selection.
• Describe how differential survival and reproduction change trait frequencies over generations.
• Use examples (such as antibiotic resistance or island finches) to connect adaptation to selective pressures.

Learning Objectives

• Use quantitative models to describe how allele frequencies change over time under selection and drift.
• Interpret statistical and graphical information (fitness differentials, probability-based inheritance) to explain evolutionary outcomes.
• Apply Hardy–Weinberg ideas and calculate/compare frequencies to support hypotheses about trait change.

Learning Objectives

• Explain how reproductive isolation and geographic separation can lead to speciation.
• Describe how polyploidy and adaptive radiation can increase biodiversity.
• Use examples to connect biogeography and diversification rates to how new species form.

Learning Objectives

• Describe how particle, ball-and-stick, and lattice models represent atoms in different kinds of substances
• Connect subatomic particles and atomic number to element identity and formula notation
• Distinguish molecular structures from extended network structures and predict basic property differences

Learning Objectives

• Distinguish between physical properties and chemical properties using examples and evidence
• Use quantitative and qualitative descriptors (density, melting point, solubility, conductivity, reactivity, flammability) to classify materials
• Interpret property data to predict likely substance behavior when temperature or chemicals change

Learning Objectives

• Differentiate homogeneous and heterogeneous mixtures based on how substances are distributed and how they can be separated.
• Describe solubility and saturation, and connect concentration to observable properties of solutions.
• Compare solutions, colloids, and suspensions using particle size and separation behavior.