Grade 9 Science Worksheets

Learning Objectives

• Describe the solid, liquid, and gas phases of matter and their distinguishing features.
• Explain the processes of phase changes such as freezing, evaporation, and condensation.
• Link energy changes to phase transitions in environmental contexts.+ Show more

Learning Objectives

• Define endothermic and exothermic reactions based on energy flow.
• Describe how bond breaking and formation influence energy changes.
• Interpret energy diagrams to connect molecular interactions with observable phenomena.

Learning Objectives

• Explain the causes of apparent diurnal and annual motion of celestial objects as viewed from Earth.
• Describe how Earth's rotation and revolution create observable patterns in the sky over nights and seasons.
• Relate celestial coordinate concepts such as rising, setting, altitude, and azimuth to observational sky patterns.+ Show more

Learning Objectives

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

Learning Objectives

• Explain the particle model of matter and how particles behave in solids, liquids, and gases.
• Describe real-world examples of particle behavior, such as diffusion and pressure.
• Connect observable phenomena to particle arrangements and motion.

Learning Objectives

• Understand measures of dispersion such as variance, interquartile range, range, and coefficient of variation.
• Interpret how each variability measure informs confidence in estimates and decision-making.
• Relate variability to sampling design, heterogeneity across groups, and model expectations.+ Show more

Learning Objectives

• Understand the process of seafloor spreading at mid-ocean ridges.
• Identify evidence supporting the theory of plate tectonics, including magnetic striping and age progression.
• Explain how oceanic crust is created and recycled in earth's lithosphere.

Learning Objectives

• Understand what a free body diagram represents and its purpose in physics.
• Identify and sketch all external forces acting on a single object in a free body diagram.
• Calculate net force and determine the resulting acceleration from force vectors.+ Show more

Learning Objectives

• Describe the stepwise process of glycolysis and its key intermediates.
• Explain how ATP and NADH are produced during glycolysis.
• Identify the different fates of pyruvate under aerobic and anaerobic conditions.+ Show more

Learning Objectives

• Describe mechanisms of molecular movement across cellular membranes such as diffusion, osmosis, and active transport.
• Explain the role of electrochemical gradients and membrane potential in facilitating transport.
• Differentiate between paracellular and transcellular pathways in epithelial layers.+ Show more

Learning Objectives

• Define evolution and identify its main mechanisms.
• Explain how natural selection, genetic drift, mutation, and gene flow influence genetic change over time.
• Analyze examples of how populations adapt and diverge through evolutionary processes.+ Show more

Learning Objectives

• Compare the structural features of bacterial, archaeal, and eukaryotic cells.
• Identify key differences in size, compartmentalization, and genetic material among these cell types.
• Explain how cell organization affects metabolic processes and complexity.

Learning Objectives

• Explain how organelle systems coordinate functions within a cell.
• Identify key organelles involved in energy transduction, lipid synthesis, and detoxification.
• Describe the role of transport vesicles and cytoskeletal elements in organelle function.+ Show more

Learning Objectives

• Explain the process of fertilization and zygote formation.
• Differentiate between internal and external fertilization strategies.
• Describe embryonic stages, cell differentiation, and morphogenesis.+ Show more

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 the structure of DNA and its double-helix organization
• Explain the concept of chromosomes and their role in heredity
• Differentiate between nuclear and organelle genomes+ Show more

Learning Objectives

• Identify and classify different types of chemical reactions such as synthesis, decomposition, single and double displacement, and combustion.
• Describe observable outcomes and patterns in reactant-product relationships for each reaction type.
• Explain how reaction classification helps in predicting products and understanding conservation of mass.+ 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 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

• 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

• 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

• 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

• 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

• 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 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

• 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 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

• 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 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

• 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

• 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

• 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

• 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 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 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 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

• 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

• 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

• 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

• 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 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 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

• 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 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