Grade 9 Worksheets

Learning Objectives

• Explain the processes involved in the water cycle, including evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow.
• Describe residence times of water in different reservoirs and the fluxes that control water availability.
• Analyze how watershed characteristics, porosity, and permeability affect water flow and distribution.+ Show more

Learning Objectives

• Understand the principles of mechanical energy conservation involving kinetic and potential energy.
• Identify examples of energy transfer and transformation in real-world scenarios.
• Analyze how energy transfer and dissipation by friction influence motion and speeds.+ Show more

Learning Objectives

• Describe how temporal data reflects rates, feedback loops, and equilibrium in dynamic systems.
• Interpret time-series data and simple phase diagrams to identify transient and steady-state behaviors.
• Understand how causal structures manifest in temporal patterns and how models constrain data interpretation.+ Show more

Learning Objectives

• Understand and apply the principles of dimensional analysis to check the consistency of physical quantities.
• Recognize how unit-checking helps identify algebraic errors and constrains possible models.
• Derive relationships and scale laws using units to verify plausibility of equations.+ Show more

Learning Objectives

• Explain how measured mass changes during chemical reactions reflect the conservation of atoms within system boundaries.
• Identify causes of apparent mass loss in open systems involving gaseous products.
• Describe methods to account for all phases and containment to verify mass conservation.+ Show more

Learning Objectives

• Identify different types of models used in science, including mathematical, graphical, schematic, and computational representations.
• Understand how models are selected based on fidelity, simplicity, and predictive ability.
• Explain how mapping model components to measurements helps interpret system behaviors.+ Show more

Learning Objectives

• Describe the structure of the plasma membrane and its role in selective permeability.
• Differentiate between passive and active transport processes across membranes.
• Identify various membrane proteins involved in transport and communication.+ Show more

Learning Objectives

• Understand the principle of conservation of energy in isolated systems.
• Identify how energy shifts between kinetic and potential forms in real-world scenarios.
• Explain the role of nonconservative forces like friction in dissipating mechanical energy.+ Show more

Learning Objectives

• Explain the concept of crystal lattices and their atomic arrangements.
• Identify different types of lattice structures such as ionic, metallic, and covalent networks.
• Describe how lattice types influence material properties like hardness, conductivity, and melting points.+ Show more

Learning Objectives

• Understand the concept of phylogenetic trees and their purpose in illustrating evolutionary relationships.
• Interpret different types of phylogenetic trees, including rooted and unrooted trees.
• Identify monophyletic, paraphyletic, and polyphyletic groups within trees.+ Show more

Learning Objectives

• Identify and describe the different categories of chemical reactions.
• Recognize characteristic reactant patterns and products in various reactions.
• Classify reactions into synthesis, decomposition, displacement, and combustion based on their features.+ Show more

Learning Objectives

• Explain Newton's First Law as a statement about inertia and its relationship with external forces.
• Distinguish between rest and constant velocity states of motion.
• Describe how balanced forces contribute to static and dynamic equilibrium.+ Show more

Learning Objectives

• Explain the role of simple computational simulations and numerical models in generating predictions.
• Identify how parameters influence simulation outcomes and the importance of scenario comparison.
• Describe how ensembles and visualizations represent forecast uncertainty.+ Show more

Learning Objectives

• Understand the process of speciation and how it contributes to biodiversity.
• Identify different reproductive barriers and mechanisms involved in speciation.
• Differentiate between allopatric and sympatric speciation and their causes.+ Show more

Learning Objectives

• Understand how feedback loops, redundancy, and cross-regulation contribute to multi-system coordination.
• Describe how exercise affects respiratory, cardiovascular, and metabolic responses via neural, hormonal, and local signals.
• Explain the impact of disruptions in one organ system on overall homeostasis and health outcomes.+ Show more

Learning Objectives

• Differentiate between heterogeneous mixtures and homogeneous solutions.
• Identify key components such as solute and solvent in a mixture.
• Understand how concentration affects the appearance and behavior of solutions.+ Show more

Learning Objectives

• Understand that net force is the vector sum of all forces acting on an object.
• Describe how balanced and unbalanced forces affect motion.
• Solve problems involving resolving forces into components and calculating resulting acceleration.+ Show more

Learning Objectives

• Understand the conventions for representing forces in free-body diagrams.
• Identify and label common forces such as weight, normal force, tension, and friction.
• Apply free-body diagrams to analyze situations involving equilibrium and acceleration.+ Show more

Learning Objectives

• Understand the differences between series and parallel circuits.
• Identify how current and voltage behave in different circuit arrangements.
• Recognize real-world examples of series and parallel circuits.+ Show more

Learning Objectives

• Understand the origin and nature of Earth's magnetic field.
• Describe regional variation in magnetic declination and its implications.
• Explain how magnetic field measurements are used in geological and environmental monitoring.+ Show more

Learning Objectives

• Understand the composition and movement of Earth's tectonic plates.
• Identify the forces responsible for plate movements such as mantle convection, slab pull, and ridge push.
• Explain how plate interactions cause earthquakes, volcanoes, and mountain formations.+ Show more

Learning Objectives

• Explain the process of natural selection and how heritable traits influence reproductive success.
• Distinguish between natural selection and artificial selection in shaping populations.
• Identify examples of adaptation in Alberta species such as prairie grass resilience and snowshoe hare camouflage.+ Show more

Learning Objectives

• Identify and describe diagnostic physical properties of common rock-forming minerals.
• Explain how mineral composition relates to formation environment and stability.
• Connect mineral assemblages to petrogenetic histories and economic significance.

Learning Objectives

• Identify the organization of tissues within organs.
• Understand how organs and systems collaborate to sustain the organism.
• Describe the relationship between tissue types, organs, and organ systems.+ Show more

Learning Objectives

• Define chemical properties and identify examples in real substances.
• Describe how observations such as gas evolution and color change signify chemical reactions.
• Differentiate between physical and chemical changes based on reaction products.+ Show more

Learning Objectives

• Explain the three laws of motion proposed by Sir Isaac Newton.
• Identify observable effects that demonstrate each of Newton's laws.
• Draw connections between forces, mass, and motion outcomes.+ Show more

Learning Objectives

• Understand the basic types and functions of simple machines.
• Explain how simple machines modify force and displacement to achieve mechanical advantage.
• Identify examples of simple machines in real-world applications.+ Show more

Learning Objectives

• Understand the concept of inertia as resistance to change in motion.
• Relate inertia to an object's mass and its effect on acceleration.
• Identify real-world examples demonstrating inertia.+ Show more

Learning Objectives

• Describe the process of natural selection and how it leads to evolutionary change.
• Identify examples of natural selection such as beak variation and antibiotic resistance.
• Differentiate between types of selection: directional, stabilizing, and disruptive.+ Show more

Learning Objectives

• Understand the importance of balancing chemical equations to conserve atoms and mass.
• Learn how to balance simple and complex chemical equations accurately.
• Recognize the relationship between formula notation and measurable mass.+ Show more

Learning Objectives

• Understand the concepts of power and how it measures the rate of energy transfer.
• Explain the meaning of efficiency and how it compares useful output energy to input energy.
• Analyze why real systems often lose energy and how this affects efficiency.+ Show more

Learning Objectives

• Understand how the kidneys regulate water and ion balance through various processes.
• Describe the roles of hormones like antidiuretic hormone and aldosterone in osmoregulation.
• Explain how the nephron adjusts solute and water movement to maintain homeostasis.+ Show more

Learning Objectives

• Compare the structural differences between prokaryotic and eukaryotic cells.
• Identify key components of prokaryotic and eukaryotic cells.
• Explain how cellular organization affects the functions of cells in living organisms.+ Show more

Learning Objectives

• Identify common sources of systematic and random error in scientific research.
• Describe methods for detecting and quantifying bias and error.
• Explain how error contributes to overall uncertainty in data interpretation.+ Show more

Learning Objectives

• Understand the concept of limiting reactants and how they determine product yields.
• Calculate theoretical yield based on mole ratios and molar masses.
• Differentiate between actual yield and theoretical yield.+ Show more

Learning Objectives

• Describe measures of central tendency and their appropriate uses.
• Differentiate between mean, median, and mode, and understand their sensitivities.
• Connect the choice of a central tendency to data distribution and context.+ Show more

Learning Objectives

• Understand the process of solution formation and the interactions between solutes and solvents.
• Identify factors that influence the solubility of substances, such as temperature and agitation.
• Differentiate between saturated, unsaturated, and supersaturated solutions with examples.+ Show more

Learning Objectives

• Describe the composition of atoms in terms of protons, neutrons, and electrons.
• Understand how atomic number and mass number define isotopes and element identity.
• Explain models of atomic nuclei and electron shells to predict chemical behavior.+ Show more

Learning Objectives

• Understand how fossil, anatomical, and molecular evidence support evolutionary relationships.
• Analyze different lines of evidence to infer common ancestry among organisms.
• Interpret data from fossil records, anatomical comparisons, and molecular sequences.+ Show more

Learning Objectives

• Understand the anatomical structures involved in neuroendocrine control.
• Describe how the hypothalamus integrates neural and hormonal signals.
• Identify glandular specializations that facilitate hormone regulation.+ Show more

Learning Objectives

• Compare the structural differences between bacterial and archaeal cells and eukaryotic cells.
• Identify key features such as size, compartmentalization, and genetic material in prokaryotes and eukaryotes.
• Explain how the lack of membrane-bound organelles affects prokaryotic cell functions.+ Show more

Learning Objectives

• Understand how enzyme activity is modulated through various mechanisms such as allosteric control, inhibition, and covalent modification.
• Explain how environmental factors like temperature and pH influence enzyme function.
• Describe the role of feedback inhibition in metabolic pathways.+ Show more

Learning Objectives

• Understand the key components involved in gene regulation.
• Describe how epigenetic modifications influence transcription.
• Explain the roles of promoters, enhancers, silencers, and transcription factors.+ Show more

Learning Objectives

• Understand how fossil record, anatomical comparisons, and molecular data provide evidence for evolution.
• Identify different types of evidence used to infer evolutionary relationships.
• Explain how integrating multiple lines of evidence strengthens understanding of descent with modification.+ Show more

Learning Objectives

• Understand the composition and organization of the phospholipid bilayer.
• Identify the roles of membrane proteins and other components in membrane function.
• Explain the fluid mosaic model and how it relates to membrane dynamics and permeability.+ Show more

Learning Objectives

• Describe the main phases of the Calvin cycle and their roles in photosynthesis.
• Explain how atmospheric carbon dioxide is fixed into organic molecules during the cycle.
• Identify the enzymes involved in the Calvin cycle and their functions.+ Show more

Learning Objectives

• Explain how energy moves through ecosystems from producers to consumers and decomposers.
• Describe the process of photosynthesis and how energy is transferred at trophic levels.
• Understand the concept of energy transfer efficiency and its impact on populations and food chains.+ Show more

Learning Objectives

• Explain the different processes of membrane transport, including passive and active mechanisms.
• Differentiate between diffusion, osmosis, facilitated diffusion, and active transport.
• Describe vesicular transport methods such as endocytosis and exocytosis.+ Show more