Grade 9 Worksheets

Learning Objectives

• Explain how engineering design uses performance requirements linked to human needs and public priorities.
• Describe how engineering choices affect access, reliability, and safety in real-world systems.
• Evaluate how technology trade-offs can support or limit equity and long-term usability.

Learning Objectives

• Explain how passive transport, facilitated diffusion, and osmosis move substances across cell membranes using concentration gradients.
• Describe how active transport uses membrane proteins and ATP to move substances against gradients.
• Compare vesicular transport (endocytosis and exocytosis) with transport through membrane proteins.+ Show more

Learning Objectives

• Explain how design criteria and constraints guide an engineering solution from a stated problem to testable requirements.
• Use scientific principles and evidence to connect design features to expected performance under real-world limits.
• Identify how models help predict outcomes and how measurable criteria support safer, more effective designs.

Learning Objectives

• Explain how constraints affect engineering designs and limit achievable performance.
• Identify common types of constraints (materials, cost, power, regulations, and environmental conditions) in a real system.
• Use constraint-informed reasoning to propose feasible design choices for a given engineering problem.

Learning Objectives

• Explain how multiple organelles work together as an integrated system rather than in isolation.
• Describe how transport and cell structure help move materials between organelles.
• Connect organelle cooperation to metabolism, cell maintenance, and cellular responses.

Learning Objectives

• Explain how organelle form and abundance vary across cell types and taxa.
• Connect structural adaptations (e.g., ER, mitochondria, vacuoles, cilia) to specialized cellular functions.
• Use comparative reasoning to predict how cell structure supports physiological roles and ecological strategies.

Learning Objectives

• Explain how the structure of epithelial, connective, muscle, and nervous tissues supports their functions in organs.
• Compare how cells, junctions, and extracellular matrix influence permeability, strength, and signaling speed.
• Use tissue-structure vocabulary to answer questions about transport, force generation, and communication.

Learning Objectives

• Explain how the nephron supports filtration, reabsorption, and secretion to regulate water and electrolytes.
• Describe how ADH and the renin–angiotensin–aldosterone system respond to blood volume and osmolarity cues.
• Connect renal transport processes to changes in blood pressure and internal fluid balance.

Learning Objectives

• Explain how matter cycles through ecosystems while energy flows and is lost as heat.
• Describe key steps in the carbon, nitrogen, and phosphorus cycles (respiration, decomposition, nutrient uptake).
• Evaluate the roles of decomposers and nutrient pathways connecting organisms to air, water, and soil.

Learning Objectives

• Explain two major sources of mutations, including replication errors and environmental factors.
• Describe how some mutations can affect gene function or regulation.
• Connect heritable mutations to genetic variation and possible evolutionary change.

Learning Objectives

• Explain how crossing over during meiosis increases genetic variation in gametes
• Describe how independent assortment can produce different combinations of chromosomes
• Connect fertilization to additional genetic variation among offspring+ Show more

Learning Objectives

• Explain how heritable traits and environmental conditions affect an organism’s fitness
• Distinguish natural selection from changes in individual traits during a lifetime
• Describe how selection can change allele frequencies over multiple generations+ Show more

Learning Objectives

• Explain how climate differs from short-term weather using evidence from the lesson
• Identify major climate controls (latitude, atmospheric circulation, proximity to water, and local factors like elevation) and describe how each affects temperature and precipitation ranges
• Connect climate patterns to ecosystem distribution and surface processes

Learning Objectives

• Explain how heritable traits can affect survival and reproduction in a specific environment
• Describe how natural selection changes allele frequencies over multiple generations
• Interpret patterns in phenotypes across generations using simple population models

Learning Objectives

• Explain how Earth’s axial tilt and orbit around the Sun produce predictable seasonal changes.
• Describe how changes in sunlight angle and day length affect solar energy received and temperature patterns.
• Connect Earth–Sun geometry to seasonal weather and long-term environmental conditions.

Learning Objectives

• Explain the difference between primary and secondary ecological succession after disturbance or initial colonization
• Describe how species turnover and changing resource availability influence habitat conditions during succession
• Interpret succession ideas using simple cause-and-effect reasoning and basic modeling components

Learning Objectives

• Explain how nucleic acid sequence information can specify amino acid chains through genetic coding.
• Connect protein folding and 3D structure to how cells build organelles and carry out functions.
• Describe how specific cellular components (e.g., ribosomes, endoplasmic reticulum, mitochondria) relate to macromolecular structure and function.

Learning Objectives

• Compare ionic lattices, covalent networks, and molecular solids using particle arrangement and electrical interactions.
• Predict how melting point, electrical conductivity, hardness, and solubility relate to interparticle forces.
• Use evidence from material properties to identify the likely structure of an unknown solid.

Learning Objectives

• Explain how nitrogen and phosphorus move through organisms, soils, water, and the atmosphere.
• Describe how biological processes (nitrogen fixation, assimilation, mineralization, and denitrification) affect nutrient availability.
• Analyze how human activities can increase nutrient loading and lead to eutrophication and oxygen loss.

Learning Objectives

• Explain how common biotech tools (like DNA amplification, DNA separation, and genome editing) are used in research and real-world applications.
• Connect specific laboratory techniques to outcomes such as diagnostics, forensics, and genetically modified organisms.
• Evaluate ethical, legal, and societal considerations related to biotechnology.

Learning Objectives

• Explain why DNA replication is semi-conservative and produces two DNA molecules with one original strand each.
• Describe the main steps of DNA replication, including initiation, primer formation, and leading vs. lagging strand synthesis.
• Connect replication fidelity and repair mechanisms to mutation rates and genome stability.

Learning Objectives

• Explain Mendelian inheritance and predict phenotypic ratios for simple dominant–recessive traits.
• Compare Mendelian and non-Mendelian inheritance patterns (incomplete dominance, codominance, multiple alleles, polygenic traits, sex-linked, imprinting, and mitochondrial transmission).
• Identify how linkage between genes and environmental interactions can change expected inheritance outcomes.

Learning Objectives

• Explain how regulatory DNA elements and proteins control gene transcription without changing DNA sequence
• Describe how epigenetic modifications affect chromatin accessibility and gene expression
• Use examples of feedback and regulatory networks to predict how cells respond to signals

Learning Objectives

• Explain the purpose of the Calvin cycle in carbon fixation during photosynthesis
• Describe how ATP and NADPH are used to drive reduction and regeneration steps
• Identify key inputs, outputs, and enzyme involvement in the light-independent reactions

Learning Objectives

• Describe ATP as an energy molecule and identify its main structural parts
• Explain how ATP hydrolysis releases usable energy for cellular work
• Model how phosphorylation helps regenerate ATP by coupling energy-releasing and energy-consuming processes

Learning Objectives

• Explain how major genetic technologies (selective breeding, hybridization, genetic modification, and gene editing) can change traits
• Describe how trait changes occur at both molecular and population levels in agriculture
• Evaluate why monitoring and risk–benefit assessment matter for deploying biotechnology in real settings

Learning Objectives

• Decompose two-dimensional motion into independent perpendicular components of displacement and acceleration.
• Use component equations to predict projectile range, time of flight, and the height of the apex.
• Translate between vector descriptions of motion and parametric or component forms for projectile trajectories.

Learning Objectives

• Interpret position–time and velocity–time graphs to determine displacement and acceleration for one-dimensional motion
• Use constant-acceleration relationships to predict position and velocity from initial conditions
• Connect slopes and areas on kinematic graphs to physical quantities

Learning Objectives

• Explain how mitosis supports growth and tissue repair in multicellular organisms.
• Describe how meiosis produces haploid gametes and increases genetic variation through recombination.
• Distinguish chromosome pairing, segregation, and common errors such as nondisjunction.

Learning Objectives

• Differentiate genotype and phenotype in Mendelian inheritance
• Predict offspring outcomes using dominant and recessive allele interactions
• Use simple Punnett square logic to estimate genotype and phenotype probabilities

Learning Objectives

• Identify ecological, economic, and health risks and benefits linked to genetic technologies
• Explain how risk assessment, mitigation, and long-term monitoring reduce uncertainty
• Evaluate trade-offs using Alberta-relevant examples such as canola and cattle genetics

Learning Objectives

• Explain how sex chromosomes (X and Y) influence inheritance of certain traits.
• Distinguish X-linked recessive traits from other inheritance patterns using hemizygosity in males.
• Describe how dosage compensation affects gene expression across sexes.+ Show more

Learning Objectives

• Represent a changing system using time-series descriptions and difference equations.
• Identify equilibrium, transient behavior, and feedback effects in data and simple models.
• Use temporal patterns to infer causal structure and distinguish model expectations from observations.

Learning Objectives

• Identify common sources of systematic and random error in scientific measurements and studies, including instrument bias, sampling limitations, confounding, and model mis-specification.
• Use evidence such as cross-method comparisons and residual patterns to detect bias and assess how robust conclusions are to error sources.
• Explain how quantified errors contribute to overall uncertainty and compare support for alternative explanations transparently.

Learning Objectives

• Explain how evidence chains connect observations, quantitative analysis, and model outputs to explanatory claims
• Evaluate whether evidence is sufficient and consistent across multiple independent measures
• Use graphs and statistical summaries to justify inferences while making assumptions and uncertainties explicit+ Show more

Learning Objectives

• Select appropriate graph types (scatterplots, histograms, line graphs, residual displays) for different data questions.
• Construct and interpret graphs using correct axis scaling, labels, binning choices, and clear visual patterns.
• Use visual evidence plus numerical measures to judge trends, outliers, correlation, and model fit.

Learning Objectives

• Explain how element symbols and chemical formulas represent matter in a concise way
• Interpret subscripts in formulas to determine particle counts in a compound
• Use balanced symbolic representations to connect qualitative descriptions to quantitative composition

Learning Objectives

• Explain how metric units and instrument resolution affect the accuracy of quantitative measurements.
• Describe why calibration and consistent measurement protocols improve reliability and comparability of data.
• Connect measurement uncertainty to evidence, tables, and graphs when making scientific claims.

Learning Objectives

• Use residuals and diagnostic graphical patterns to judge whether a model matches empirical data.
• Apply goodness-of-fit ideas to decide when a model is acceptable versus when it should be revised.
• Explain how heteroscedasticity and missing-variable clues motivate alternate hypotheses.

Learning Objectives

• Describe how different model representations (equations, graphs, schematic diagrams, and computational approximations) capture system behavior.
• Evaluate models using criteria such as representational fidelity, parsimony, and predictive scope.
• Explain how mapping between model components and measurable observables supports interpretation of evidence.+ Show more

Learning Objectives

• Explain how scaling affects relationships between physical quantities when moving between small and large systems.
• Use dimensional similarity and proportional reasoning to predict how a model’s measurements should change with size.
• Interpret data trends while accounting for scale-dependent effects such as nonlinearity and diffusion limits.

Learning Objectives

• Explain how computational simulations use hypothesized mechanisms to generate testable predictions.
• Describe how changing model parameters affects outcomes and how ensembles represent uncertainty.
• Compare simulation outputs with empirical data to refine models and evaluate robustness.

Learning Objectives

• Explain how the geosphere, hydrosphere, atmosphere, and biosphere interact through matter and energy exchanges.
• Use causal chains and mass-balance thinking to describe how nutrients, gases, and productivity move between Earth systems.
• Interpret coupled phenomena (such as river nutrient transport and ocean upwelling) using cross-domain models.

Learning Objectives

• Identify observable evidence that indicates a chemical change has occurred.
• Explain how evidence such as gas, precipitate, colour shift, and temperature change supports the formation of new substances.
• Distinguish chemical change from physical change using criteria based on ordinary conditions.

Learning Objectives

• Explain the difference between random and systematic uncertainty using statistical descriptors.
• Compute and interpret standard deviation, standard error, and confidence intervals.
• Use basic error propagation rules to estimate uncertainty in derived quantities.+ Show more

Learning Objectives

• Identify major cell components (membranes, organelles, cytoskeleton) and describe their core functions
• Explain how compartmentalization supports specialized metabolism inside cells
• Relate membrane and organelle structure to selective transport and diffusion rates

Learning Objectives

• Explain how melting, crystallization, weathering, transport, deposition, and metamorphism transform rocks over geologic time.
• Identify physical and chemical mechanisms that drive rock changes and describe how these connect to tectonic settings.
• Use rock-cycle ideas and evidence from rock types to connect rock histories to landscape evolution and resource occurrence.

Learning Objectives

• Identify common observable properties of substances and describe what they reveal about matter.
• Classify samples using observable traits such as colour, hardness, conductivity, density, and solubility.
• Explain how observable properties can support practical decisions in everyday and industrial contexts.