Grade 9 Science Worksheets

Learning Objectives

• Understand how surface currents are generated and their role in redistributing heat.
• Identify key features of ocean circulation such as gyres, upwelling zones, and boundary currents.
• Explain how ocean circulation influences regional climates and interacts with atmospheric systems.

Learning Objectives

• Explain how information flows from DNA to RNA to protein and then to phenotype
• Describe how replication fidelity, transcriptional control, RNA processing, and translation affect gene expression
• Predict how point mutations in coding regions versus regulatory regions can change protein function and phenotype+ Show more

Learning Objectives

• Explain how cellular organelles' structures support their specific functions.
• Describe how organism structures reflect their functional needs.
• Use models to connect physical features to biological roles.+ Show more

Learning Objectives

• Understand the role of engineering in addressing societal needs.
• Identify examples of engineering solutions that improve access, safety, and reliability.
• Analyze how technology choices impact social outcomes such as equity and sustainability.

Learning Objectives

• Explain how chemical equation coefficients reflect conservation of matter.
• Balance simple chemical equations by matching the number of atoms of each element on both sides.
• Use balanced equations to interpret particle/mole ratios and predict how changing reactants can affect products.

Learning Objectives

• Explain how mechanical digestion and chemical hydrolysis break food into molecules that can be absorbed.
• Describe how intestinal villi and microvilli increase surface area and improve nutrient transport.
• Compare facilitated diffusion, active transport, and transport via micelles for different nutrient types.+ Show more

Learning Objectives

• Understand the concept of uncertainty in scientific measurements.
• Identify common sources of measurement errors such as instrument limitations, human judgment, and environmental factors.
• Evaluate how measurement uncertainties can impact scientific conclusions.

Learning Objectives

• Explain how carrying capacity and density-dependent factors regulate population size.
• Differentiate between density-dependent and density-independent effects, and give examples.
• Use simple mathematical models (logistic growth) to describe how populations change over time.+ Show more

Learning Objectives

• Define and describe the concept of work in physics.
• Explain how work relates to energy transfer and energy change in systems.
• Identify scenarios where work is positive, negative, or zero.+ Show more

Learning Objectives

• Identify and explain the concepts of mean, median, and mode in biological data.
• Understand when to use each measure based on data distribution.
• Analyze biological datasets for skewness, outliers, and multimodality.+ Show more

Learning Objectives

• Explain how competition, predation, herbivory, parasitism, and mutualism influence species abundances in a community.
• Describe how niche partitioning and indirect effects can shape community structure and ecosystem processes.
• Compare the roles of keystone species and ecosystem engineers in altering habitat, energy flow, and matter cycling.+ Show more

Learning Objectives

• Identify the four major tissue types and match each to its primary function in the body.
• Explain how tissue structure and cell specialization affect the properties of organs.
• Compare epithelial, connective, muscle, and nervous tissues using correct science vocabulary.

Learning Objectives

• Explain why chemical equations must be balanced to conserve atoms.
• Use coefficients to represent relative numbers of reactant and product formula units or molecules.
• Interpret balanced equations with state indicators to predict relative reactant and product amounts.

Learning Objectives

• Explain how limiting factors constrain population growth in an ecosystem.
• Differentiate between resource availability, predation, disease, and environmental conditions as limiting factors.
• Describe how changes in limiting factors can affect community interactions and biodiversity over time.

Learning Objectives

• Explain how chemical reactions rearrange atoms and can exchange energy with the environment.
• Identify common types of chemical reactions (combustion, synthesis, decomposition) from real-world examples.
• Interpret symbolic chemical equations by matching reactants to products.+ Show more

Learning Objectives

• Identify the main idea of photosynthesis and key details about inputs and outputs
• Explain how light energy becomes chemical energy using chloroplast structures and steps

Learning Objectives

• Identify the parts of a cell and their functions
• Understand the structure of a typical cell
• Recognize the importance of cell organelles in maintaining life processes

Learning Objectives

• Explain how the rock cycle connects igneous, sedimentary, and metamorphic rocks through melting, crystallization, erosion, compaction, and metamorphism.
• Describe how pressure and temperature conditions affect whether rocks melt, crystallize, or transform without melting.
• Use evidence such as radiometric ages and rates (time, depth, and weathering) to reason about the sequence of rock transformations.

Learning Objectives

• Explain how diffusion, facilitated diffusion, and osmosis move substances across cell membranes using concentration and water potential 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 magma composition and tectonic setting influence volcanic eruption style and hazard potential.
• Compare effusive shield volcanism and explosive stratovolcano behavior using magma viscosity and volatile content.
• Use volcanic gas emissions and basic eruption timelines to describe how volcanoes modify landscapes and can affect climate.

Learning Objectives

• Identify the main components of the cardiovascular system
• Describe the structure and function of the heart
• Explain how blood vessels vary in size and function+ Show more

Learning Objectives

• Explain the roles of protons, neutrons, and electrons in atomic structure.
• Use valence electrons to predict common ion charges and basic trends in chemical behavior.
• Relate quantized energy levels to electron transitions in atoms.+ Show more

Learning Objectives

• Explain how decision models use scenarios to compare mitigation and adaptation options over time and space.
• Evaluate trade-offs among economic, environmental, and social outcomes using cost-benefit and lifecycle ideas.
• Apply systems thinking to policy instruments such as carbon pricing, land-use planning, and infrastructure investment.

Learning Objectives

• Compare sexual and asexual reproduction in terms of how offspring are produced and how variation changes.
• Explain how specific asexual mechanisms (budding, binary fission, and vegetative cloning) affect genetic similarity in offspring.
• Connect reproductive modes to ecological trade-offs such as population growth rate and genetic diversity.

Learning Objectives

• Describe the process of photosynthesis and its main components.
• Identify the inputs and outputs of photosynthesis.
• Explain the compartmentalized steps involved in photosynthesis.+ Show more

Learning Objectives

• Explain how thermoregulation maintains internal temperature within functional limits through coordinated body responses
• Describe the roles of the hypothalamus, skin blood flow, sweating, shivering, and metabolic adjustments in homeostasis
• Analyze how temperature changes affect enzyme activity, membrane stability, and overall cellular function

Learning Objectives

• Explain how storage reservoirs affect how fast or slow Earth system variables change
• Describe how carbon exchange with the ocean and living systems can change atmospheric carbon
• Connect energy flow to evaporation, wind, and temperature, and predict how feedbacks may reinforce or dampen change

Learning Objectives

• Understand the fundamental principles of optical and electron microscopy.
• Identify differences between magnification, resolution, and contrast in microscopes.
• Interpret microscope images considering scale bars, staining artifacts, and preparation methods.

Learning Objectives

• Identify key processes involved in the carbon cycle
• Explain how carbon moves through ecosystems
• Understand the role of decomposers and producers in the carbon cycle+ Show more

Learning Objectives

• Identify the main pathways of carbon movement in ecosystems.
• Explain how microorganisms contribute to carbon cycling.
• Analyze human impacts on the carbon cycle, such as fossil fuel combustion and deforestation.+ Show more

Learning Objectives

• Explain the concept of centripetal force in circular motion.
• Identify the role of tension, friction, and normal forces in maintaining curved paths.
• Calculate acceleration and force components involved in circular motion.+ Show more

Learning Objectives

• Explain how genes and alleles determine genotypes and lead to observable phenotypes
• Use dominant and recessive inheritance relationships to predict trait outcomes across generations
• Interpret heredity evidence using genotype-to-phenotype reasoning

Learning Objectives

• Define limiting reactant in a chemical reaction
• Identify the limiting reactant from initial quantities
• Differentiate between theoretical and actual yields+ Show more

Learning Objectives

• Understand the basic layout and structure of the periodic table
• Learn how atomic number correlates with element properties
• Identify trends in element reactivity, ion charge, and bonding tendencies+ Show more

Learning Objectives

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

Learning Objectives

• Understand the structure of electron shells and energy levels
• Identify how electrons are distributed in atoms based on their electron configuration
• Recognize the importance of valence electrons in chemical reactivity and bonding+ Show more

Learning Objectives

• Understand what a prototype is and its purpose in scientific testing
• Learn how prototypes provide evidence for evaluating design performance
• Identify examples of criteria used to assess prototypes such as strength, accuracy, and efficiency

Learning Objectives

• Explain how changes in greenhouse gases can create positive and negative climate feedbacks.
• Describe how water vapor and ice/snow surface reflectivity can amplify or reduce warming.
• Analyze how clouds and atmospheric circulation affect the balance between absorbed sunlight and outgoing infrared radiation.+ Show more

Learning Objectives

• Explain how intermolecular forces influence physical properties such as boiling point and viscosity
• Differentiate between London dispersion forces, dipole–dipole interactions, and hydrogen bonding
• Relate molecular polarity and molecular size to the strength of intermolecular attractions+ Show more

Learning Objectives

• Distinguish ionic, covalent, and metallic bonds based on electron behavior.
• Predict how bond type affects properties such as melting point, conductivity, volatility, and solubility.
• Use particle models (ions, shared electrons, electron sea) to explain observable material behaviors.

Learning Objectives

• Understand the basic concepts of forces and how they affect motion.
• Identify different types of forces, including contact and field forces.
• Learn how vectors are used to represent force size and direction.+ Show more

Learning Objectives

• Describe how forces act as push or pull interactions and identify examples of contact and non-contact forces in everyday Alberta contexts.
• Use magnitude and direction to reason about forces as vectors, including how opposing forces affect motion.
• Explain, qualitatively, how net force expectations relate to whether an object speeds up, slows down, or changes direction.

Learning Objectives

• Describe how fossils provide evidence for past life and evolutionary history.
• Identify types of fossils and their significance in stratigraphy.
• Explain how stratigraphic context and dating methods determine fossil ages.+ Show more

Learning Objectives

• Explain how the particulate model describes solids, liquids, and gases using particle spacing and motion
• Use the particulate model to predict diffusion, changes in pressure, and temperature effects
• Connect particle collisions and kinetic energy to observable macroscopic properties

Learning Objectives

• Explain how inherited variation and environmental pressures lead to changes in a population over generations
• Use the ideas of variation, differential survival/reproduction, and inheritance to describe natural selection
• Analyze how environmental change can alter which traits become more common

Learning Objectives

• Explain how Hubble’s law and redshift observations support an expanding-universe timeline.
• Describe how cosmic microwave background measurements and element abundances constrain the early universe.
• Interpret statements and examples about cosmic timescales using key scientific vocabulary.

Learning Objectives

• Explain how unequal solar heating creates temperature and air pressure differences that drive atmospheric circulation
• Describe how energy transfers between Earth’s surface and the atmosphere influence humidity, clouds, and precipitation
• Use cause-and-effect reasoning to connect weather patterns to temperature, humidity, and energy balance

Learning Objectives

• Understand how engineering design addresses societal needs and public priorities.
• Identify factors that influence technology choices and social outcomes.
• Analyze examples of engineering solutions that improve access, safety, and reliability.+ Show more