Grade 9 Science Worksheets

Learning Objectives

• Explain the components of an atom, including protons, neutrons, and electrons.
• Describe electron configurations and energy levels.
• Understand how the periodic table organizes elements based on valence electrons and properties.+ Show more

Learning Objectives

• Understand the basic concepts of force and how it affects motion.
• Identify contact and non-contact forces in real-world Alberta settings.
• Explain how magnitude and direction of forces combine vectorially.+ Show more

Learning Objectives

• Explain the gravitational interactions among the Moon, Sun, and Earth that produce tidal forces.
• Differentiate between spring and neap tides based on celestial alignments.
• Describe how local geography and ocean features influence tidal amplitudes.+ Show more

Learning Objectives

• Understand the concept of tectonic plates and their movements.
• Identify the causes of plate motion such as mantle convection, slab pull, and ridge push.
• Recognize the effects of plate interactions, including earthquakes, volcanism, and mountain building.+ Show more

Learning Objectives

• Explain the concept of electron configuration and how electrons are distributed among energy levels and orbitals.
• Identify the significance of valence electrons in chemical reactivity and bonding.
• Describe the periodic trends related to atomic size and ionization energy based on electron configurations.+ Show more

Learning Objectives

• Understand the structure and significance of crystal lattices in solids.
• Identify different lattice types and their properties.
• Explain how unit cells describe the smallest repeating pattern in a crystal.+ Show more

Learning Objectives

• Identify the different types of chemical bonds and their electron arrangements.
• Explain how ionic, covalent, and metallic bonds influence the properties of materials.
• Recognize observable physical and chemical properties associated with each bond type.+ Show more

Learning Objectives

• Explain how subduction zones form and their key features.
• Identify the geological processes associated with subduction zones, including earthquakes and volcanism.
• Describe how variations in subduction parameters influence seismic hazards and topography.+ Show more

Learning Objectives

• Understand the processes of kidney osmoregulation, including filtration, reabsorption, secretion, and concentration.
• Identify the roles of hormones such as antidiuretic hormone and aldosterone in regulating water and ion balance.
• Explain how renal, cardiovascular, and endocrine systems coordinate to maintain homeostasis of blood volume, osmolarity, and electrolyte composition.

Learning Objectives

• Understand how mole relationships connect masses of reactants and products in chemical equations.
• Learn how molar mass converts between mass and amount of substance.
• Interpret coefficients in balanced equations to determine mole ratios.+ Show more

Learning Objectives

• Describe the roles of insulin and glucagon in blood glucose regulation.
• Explain how hormonal feedback loops maintain metabolic homeostasis during fasting and feeding.
• Identify tissues involved in glucose uptake and release during hormonal control.+ Show more

Learning Objectives

• Describe the structure of the plasma membrane and its components.
• Differentiate between passive and active transport mechanisms.
• Explain how membrane proteins facilitate specific transport and communication.+ Show more

Learning Objectives

• Understand the mechanisms involved in thermoregulation and homeostasis.
• Identify responses such as sweating, shivering, and blood flow changes that regulate internal temperature.
• Describe how the hypothalamus detects and orchestrates temperature responses.+ Show more

Learning Objectives

• Understand how the nervous and endocrine systems coordinate responses to stimuli.
• Identify the roles of nerve impulses and hormones in maintaining homeostasis.
• Explain how neural and hormonal signals interact to regulate body functions.+ Show more

Learning Objectives

• Explain how mechanical systems transfer energy as kinetic or potential energy.
• Identify different methods of energy transfer such as work, collisions, and frictional dissipation.
• Describe how energy converts into heat during mechanical processes like braking or spring compression.+ Show more

Learning Objectives

• Understand the concept of centripetal force and its role in circular motion.
• Identify the relationship between speed, radius, and acceleration in uniform circular motion.
• Analyze how tension, friction, and normal force contribute to maintaining curved trajectories.+ Show more

Learning Objectives

• Explain how impulse relates force, contact duration, and change in momentum during collisions.
• Differentiate between elastic and inelastic collisions based on energy transformations.
• Analyze force-time profiles in collision scenarios to understand impulse effects.+ Show more

Learning Objectives

• Understand the purpose and components of free body diagrams.
• Learn to sketch vectors representing forces acting on an object.
• Calculate net force by vector addition of forces in free body diagrams.+ Show more

Learning Objectives

• Understand Newton's third law and how forces occur in pairs between objects.
• Describe real-world examples of action-reaction forces and their effects on motion.
• Explain why paired forces act on different objects and do not cancel each other within a single object.+ Show more

Learning Objectives

• Understand how human choices impact air, water, and land systems.
• Evaluate multiple constraints and mechanisms of environmental harm.
• Analyze interconnected environmental systems and predict how changes propagate.+ Show more

Learning Objectives

• Understand the three fundamental laws of motion proposed by Sir Isaac Newton.
• Identify real-world examples illustrating each of Newton's laws.
• Explain how forces influence the motion of objects in different scenarios.+ Show more

Learning Objectives

• Understand how constraints influence engineering design choices.
• Identify different types of constraints in real-world engineering scenarios.
• Analyze how constraints affect performance and decision-making in engineering projects.+ Show more

Learning Objectives

• Identify different types of evidence supporting common ancestry among organisms.
• Explain how anatomical, fossil, and molecular data contribute to understanding evolutionary relationships.
• Analyze similarities and differences in traits to infer evolutionary divergence.+ Show more

Learning Objectives

• Understand how individual electrical components exhibit characteristic behaviors such as resistance, diode conduction, and temperature dependence.
• Identify real-world examples of component behaviors like filament heating, thermistor sensors, and resistor networks.
• Describe how component curves, power ratings, and operating limits influence circuit stability and longevity.+ Show more

Learning Objectives

• Understand the concept of scale in the solar system and how sizes and distances vary.
• Analyze planetary motion and how relative scale properties relate to observations.
• Connect apparent brightness and movement to actual distances and orbital periods.+ Show more

Learning Objectives

• Understand how Earth processes create landforms and concentrate resources.
• Identify the roles of tectonic activity, erosion, and weathering in shaping landforms.
• Describe how geological processes over time influence resource availability and land stability.+ Show more

Learning Objectives

• Describe Mendelian inheritance patterns including dominance, segregation, and independent assortment.
• Use Punnett squares to predict genotype and phenotype ratios in monohybrid and dihybrid crosses.
• Interpret pedigrees to analyze inheritance patterns.+ Show more

Learning Objectives

• Understand the alignment of the Sun, Earth, and Moon during solar and lunar eclipses.
• Identify the conditions necessary for each type of eclipse.
• Explain how orbital inclinations affect eclipse frequency and paths of totality.+ Show more

Learning Objectives

• Describe the geological processes involved in mountain building such as plate convergence, thrust faulting, and crustal uplift.
• Identify different types of mountains and ranges formed by tectonic activity.
• Explain how weathering and erosion shape mountain landscapes over time.+ Show more

Learning Objectives

• Describe the components of Milankovitch cycles and their influence on Earth's climate.
• Explain how variations in Earth's orbit affect glacial and interglacial periods.
• Identify the three main orbital parameters involved in Milankovitch cycles and their effects on insolation.+ Show more

Learning Objectives

• Explain the causes of lunar phases based on the positions of the Sun, Earth, and Moon.
• Describe the sequence of lunar phases and how they relate to the Moon's orbit.
• Predict lunar phases using the geometry of the Sun-Earth-Moon system.+ Show more

Learning Objectives

• Understand how different frames of reference affect observed velocity and displacement.
• Describe vector addition of velocities in various scenarios.
• Explain how choice of reference frame influences apparent motion and acceleration.+ Show more

Learning Objectives

• Understand how allele frequencies and trait distributions change in populations over time.
• Explain the role of genetic variation, mutations, and natural selection in evolution.
• Connect individual genetic differences to broader evolutionary patterns and trait shifts.+ Show more

Learning Objectives

• Explain how distance and time relate to speed using motion data and appropriate reasoning
• Describe how changes in speed over time indicate acceleration and positive/negative trends
• Interpret distance–time and speed–time ideas to connect graphs and calculations

Learning Objectives

• Explain how energy flows through food chains in one direction and decreases at each trophic level.
• Describe how matter cycles through biological systems by rearranging atoms during processes like photosynthesis and cellular respiration.
• Use evidence such as trophic relationships and biomass changes to interpret energy transfer and matter cycling.

Learning Objectives

• Explain how balanced and unbalanced forces affect an object’s motion and velocity.
• Use the idea of net force to predict changes in speed and direction.
• Relate the direction of net force to the direction of resulting acceleration.

Learning Objectives

• Explain conservation of matter and how it applies to chemical reactions and balanced equations
• Use coefficients to match the number of atoms (or representative particles) of each element on both sides of an equation
• Identify and correct errors in unbalanced chemical equations using quantitative reasoning+ Show more

Learning Objectives

• Explain how waves transfer energy and, in many cases, information without transporting matter overall
• Describe the relationships between frequency, wavelength, amplitude, and observable wave behavior
• Use wave property definitions to interpret wave effects in real-world contexts such as sound, sensors, and communication

Learning Objectives

• Explain how frequency, wavelength, and amplitude describe different aspects of a wave.
• Use the relationship between frequency, wavelength, and wave speed to predict how changing one parameter affects another.
• Connect wave parameter descriptions to interpretations of real signals and experimental observations.

Learning Objectives

• Explain how diagrams and data summaries help communicate design decisions and results.
• Use reasoning to connect test outcomes to specific design choices, including trade-offs.
• Interpret and evaluate communication elements such as labels, criteria, uncertainty, and variations.

Learning Objectives

• Explain how prototypes provide evidence to test whether a design meets success criteria.
• Use data from prototype tests to determine if a solution needs refinement or redesign.
• Match evidence to specific criteria (e.g., accuracy, strength under load, temperature change, contaminant reduction).+ Show more

Learning Objectives

• Describe the steps in a design cycle for solving an engineering problem.
• Use constraints and criteria to evaluate and improve a prototype.
• Explain how evidence from testing leads to redesign.

Learning Objectives

• Interpret information presented in graphs and tables by describing trends, spread, and outliers.
• Select and explain appropriate axis labels, scales, and units to support valid comparisons.
• Use reasoning from data representations to determine what conclusions are supported.

Learning Objectives

• Explain how air temperature, air pressure, moisture, and wind interact to produce weather changes.
• Describe how heat transfer (radiation, conduction, and convection) drives atmospheric motion.
• Connect condensation/evaporation to cloud formation and precipitation.+ Show more

Learning Objectives

• Explain how atoms are rearranged in chemical reactions while remaining conserved.
• Use particle-level reasoning to connect reactant quantities to possible product quantities.
• Describe how mass is conserved in a closed system during chemical reactions.

Learning Objectives

• Explain how allele combinations and dominance affect predicted phenotypes in offspring
• Use probability to estimate expected trait frequencies across one or more generations
• Interpret family evidence to infer likely parental genotypes

Learning Objectives

• Explain how limiting factors affect population growth and carrying capacity
• Differentiate biotic and abiotic limiting factors in an ecosystem
• Analyze how limiting factors influence species interactions and biodiversity+ Show more

Learning Objectives

• Differentiate climate from short-term weather and explain why climate varies by region
• Describe how latitude, distance from water, elevation, and atmospheric circulation influence temperature and precipitation ranges
• Analyze how climate shapes ecosystems and surface processes over time+ Show more