Grade 9 Worksheets

Learning Objectives

• Understand the role of hormones in regulating physiological processes.
• Identify feedback loops involved in glucose homeostasis.
• Describe hormone synthesis, transport, and cellular effects.+ Show more

Learning Objectives

• Understand how energy flows through food chains in ecosystems.
• Identify the different roles of producers, consumers, and decomposers.
• Describe how matter cycles through living organisms and the environment.+ Show more

Learning Objectives

• Define power as the rate of energy transfer or work per unit time.
• Calculate average and instantaneous power in mechanical contexts.
• Understand the concept of mechanical efficiency and how it relates to energy losses.+ Show more

Learning Objectives

• Describe how different organelles coordinate to facilitate cellular functions.
• Explain the pathways of genetic information flow within a cell.
• Identify the roles of mitochondria, lysosomes, and the Golgi apparatus in maintaining cellular homeostasis.+ Show more

Learning Objectives

• Understand the different systems involved in maintaining body temperature
• Identify physiological responses to cold and hot environments
• Explain how feedback loops regulate thermoregulation

Learning Objectives

• Explain how energy moves between trophic levels and why transfer efficiency differs among organisms.
• Interpret biomass trends to evaluate the effects of trophic transfers on producer and consumer populations.
• Use evidence such as nutrient concentrations and decomposition to describe how matter cycles continue in ecosystems.+ Show more

Learning Objectives

• Explain Newton’s First Law using the idea of inertia and the relationship between net external force and changes in motion.
• Distinguish between an object at rest and an object moving at constant velocity in terms of net external force.
• Identify examples of static and dynamic equilibrium where balanced forces produce no net change in motion.+ Show more

Learning Objectives

• Understand the conservation of matter in chemical reactions
• Identify reactants and products in chemical equations
• Learn the importance of balancing chemical equations+ Show more

Learning Objectives

• Explain how net force is found by vector addition of forces and how its direction relates to acceleration.
• Determine motion outcomes (accelerate, decelerate, or remain in equilibrium) using net force and friction/air resistance.
• Solve and interpret quantitative net force and acceleration relationships for real-world Alberta scenarios.

Learning Objectives

• Understand the importance of proper device ratings for safe electrical systems.
• Identify safety measures necessary for residential wiring.
• Recognize different electrical device functions and appropriate protective measures.+ Show more

Learning Objectives

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

Learning Objectives

• Define unbalanced forces and differentiate them from balanced forces.
• Explain how net force influences the motion of objects.
• Identify real-world examples of unbalanced forces.+ Show more

Learning Objectives

• Explain how electrons fill energy levels and orbitals using electron configuration rules.
• Identify valence electrons and predict how they affect reactivity and ion formation.
• Use electron configuration ideas to connect periodic trends (atomic size and ionization energy) to shell structure.

Learning Objectives

• Classify chemical reactions into synthesis, decomposition, single displacement, double displacement, and combustion categories
• Connect each reaction category to typical reactant patterns and characteristic products
• Use particle/bond/ion ideas to predict likely products and check consistency with redox trends

Learning Objectives

• Explain how gravitational interactions between the Moon and Sun, along with orbital motion effects, create tides
• Differentiate spring tides and neap tides based on the alignment of the Moon and Sun
• Analyze how local coastline shape, ocean depth, and resonant basins influence tidal range and current speed+ Show more

Learning Objectives

• Describe how photosynthesis converts light energy into chemical energy in chloroplasts.
• Identify the inputs and outputs of the light-dependent reactions and the Calvin cycle.
• Explain how compartmentalization within chloroplasts supports ATP and NADPH production and use.+ Show more

Learning Objectives

• Identify common sources of uncertainty in scientific measurements and models.
• Explain how experimental error and model limitations affect confidence in results.
• Distinguish between true values, observed values, and the role of uncertainty ranges.

Learning Objectives

• Interpret displacement–time, velocity–time, and acceleration–time graphs by relating slope and area to physical meaning
• Use graphing conventions (axis choice, labels, units) to compare different motion profiles
• Explain how changing acceleration appears on graphs, including curved segments and direction changes

Learning Objectives

• Explain how simple machines transfer forces to reduce effort or change the direction of a force
• Compare ideal mechanical advantage (IMA) and practical mechanical advantage (PMA) using friction and support geometry
• Use the relationships between input force, load, and displacement to predict which machine provides an advantage+ Show more

Learning Objectives

• Explain the processes of transcription and translation in gene expression.
• Identify the roles of key molecules such as DNA, mRNA, tRNA, and ribosomes.
• Describe how regulation influences gene expression at different stages.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how plate convergence and continental collision can fold, thicken, and uplift crust to form mountains.
• Identify key mechanisms of mountain building, including thrust faulting, crustal shortening, and magmatic intrusion.
• Describe how weathering and erosion transport sediments and how rock and structure patterns reveal tectonic history.

Learning Objectives

• Differentiate divergent, convergent, and transform plate boundaries based on plate motion and typical landforms.
• Explain how each boundary type relates to earthquakes, volcanism, and crustal deformation.
• Use spatial patterns of trenches, ridges, arcs, and fault zones to infer boundary processes over geologic time.

Learning Objectives

• Explain mechanical advantage as a ratio of load force to input force and connect it to how machines move loads.
• Calculate and interpret mechanical advantage for lever and pulley systems, noting the force–distance trade-off.
• Use real-world examples (e.g., bale lifters and scaffold hoists) to predict how design choices affect safety and required input effort.

Learning Objectives

• Understand the process of chemical reactions.
• Identify reactants and products in chemical equations.
• Learn how bonds break and form during reactions.+ Show more

Learning Objectives

• Distinguish producers, consumers, and decomposers and explain their roles in energy transfer and nutrient cycling
• Interpret food chains and food webs to describe how energy flows through trophic levels
• Explain trophic efficiency and trophic cascades and how they affect biomass distribution and ecosystem productivity

Learning Objectives

• Interpret microscopy images using scale bars and understand how resolution limits affect what can be seen
• Use staining and contrast patterns to infer the likely location of cellular structures
• Distinguish biological signals from artifacts when comparing images across time or treatments+ Show more

Learning Objectives

• Explain how net force (vector sum of forces) relates to acceleration and changes in motion
• Determine whether motion stays constant or speeds up/slows down based on balanced vs. unbalanced forces
• Use force directions and vector ideas to predict the direction of acceleration+ Show more

Learning Objectives

• Explain how gravity provides the inward (centripetal) force that keeps planets and moons in curved orbits
• Describe how orbital paths are repeatable and how orbital period relates to time-based patterns in the sky
• Use qualitative reasoning to connect an object’s distance from a massive body to its orbital motion

Learning Objectives

• Understand the process of DNA replication and its semi-conservative nature.
• Identify key enzymes involved in DNA replication such as helicase, primase, and DNA polymerase.
• Explain the roles of leading and lagging strand synthesis and the significance of Okazaki fragments.+ Show more

Learning Objectives

• Understand the different types of motion graphs: position–time and velocity–time graphs
• Interpret the slope of position–time graphs as velocity
• Interpret the slope of velocity–time graphs as acceleration+ Show more

Learning Objectives

• Understand how different organ systems communicate through feedback mechanisms
• Identify examples of feedback loops in physiological processes
• Explain the role of redundancy and cross-regulation among body systems+ Show more

Learning Objectives

• Explain how major organelles in eukaryotic cells are structured for specific functions.
• Connect membrane folding and compartmentalization to rates of metabolism and efficient exchange.
• Describe how the nucleus, endoplasmic reticulum, Golgi apparatus, mitochondria, ribosomes, and cytoskeleton work together.

Learning Objectives

• Explain how epithelial tissue structure supports protection and selective exchange
• Describe how connective tissue extracellular matrix and blood support transport and strength
• Connect muscle and nervous tissue microscopic organization to their physiological roles

Learning Objectives

• Understand how iteration uses test evidence to refine solutions.
• Explain the connection between the design cycle and iterative improvements.
• Identify examples of modifications made during iterative testing to improve performance.+ Show more

Learning Objectives

• Explain how environmental chemical changes can be interpreted using observable evidence and particle/atomic ideas.
• Apply the idea of mass conservation and clear system boundaries to environmental chemical problems.
• Relate chemistry concepts to Alberta-relevant contexts such as acid deposition, tailings chemistry, and nutrient cycling.

Learning Objectives

• Explain how the Moon and Sun create tidal forces on Earth’s oceans.
• Describe the difference between spring tides and neap tides.
• Predict how local geography and ocean basin features can change tidal range and currents.

Learning Objectives

• Explain how insulin and glucagon respond to changes in blood glucose using negative feedback
• Identify the roles of beta cells, alpha cells, target tissues, set points, and effectors in glucose regulation
• Describe how glycogenolysis and gluconeogenesis help restore blood glucose when it drops

Learning Objectives

• Explain how forces combine to produce a net force and how net force relates to acceleration.
• Determine the direction of acceleration when forces oppose each other.
• Use the idea of net force being nonzero to predict changes in motion.

Learning Objectives

• Explain particle conservation using a particulate model of matter.
• Use atom counts to check whether proposed chemical equations balance.
• Identify the relationship between reactants, products, and rearranged atoms.

Learning Objectives

• Define mechanical advantage and explain its significance in machinery.
• Identify different types of simple machines that provide mechanical advantage.
• Describe how mechanical advantage affects force and distance in machines.+ Show more

Learning Objectives

• Identify key components of ecosystems including organisms and environmental factors.
• Understand how predation, competition, and mutualism influence species populations.
• Explain the impact of environmental variables like water, temperature, and nutrients on ecosystems.+ Show more

Learning Objectives

• Understand the key nutrients involved in biological processes
• Describe how nutrients move through ecosystems
• Recognize human impacts on nutrient cycling+ Show more

Learning Objectives

• Describe how to report quantitative uncertainty using confidence/interval language in scientific claims.
• Use and interpret effect sizes, likelihood statements, and variability visualizations to avoid misleading conclusions.
• Identify assumptions, limits of extrapolation, and alternative explanations when interpreting data and models.

Learning Objectives

• Use balanced chemical equations to determine mole ratios between reactants and products.
• Convert between mass, moles, and molar mass using stoichiometry relationships.
• Apply mole ratios to calculate unknown masses of reactants or products.+ Show more

Learning Objectives

• Understand the importance of balancing chemical equations to reflect atomic conservation.
• Learn how to identify and apply coefficients to balance chemical equations correctly.
• Recognize the role of state indicators and stoichiometric coefficients in symbolic chemical equations.+ Show more

Learning Objectives

• Explain how adaptive radiation leads to multiple species from a single ancestral lineage
• Describe how ecological niches, key innovations, and selection pressures influence divergence
• Use concepts like niche partitioning and varying selective pressures to predict patterns of biodiversity

Learning Objectives

• Describe the biological hierarchy from molecules to organisms
• Explain how emergent properties arise at higher levels of organization
• Connect structure at each level to function at the next level up