Grade 9 Science Worksheets

Learning Objectives

• Understand the differences between sexual and asexual reproduction
• Identify examples of reproductive strategies in Alberta species
• Analyze ecological trade-offs related to reproduction

Learning Objectives

• Understand the basic concepts of cell signaling.
• Identify different types of signaling mechanisms.
• Describe how receptor proteins interact with ligands.+ Show more

Learning Objectives

• Understand the principle of mass conservation in chemical reactions.
• Identify factors affecting measured mass in experiments.
• Explain why apparent mass changes occur when gases escape.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the concept of electron configuration and how electrons are arranged in atoms
• Identify valence electrons and their role in chemical bonding
• Learn the order of electron shell filling and periodic trends related to atomic size and ionization energy+ Show more

Learning Objectives

• Identify common sources of air pollution.
• Understand how air pollutants affect human health.
• Recognize measures to reduce exposure to air pollution.

Learning Objectives

• Understand how the circulatory and respiratory systems work together to maintain homeostasis.
• Analyze feedback mechanisms involved in regulating blood volume and temperature.
• Describe the neural and endocrine responses that coordinate system functions during stress.

Learning Objectives

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

Learning Objectives

• Interpret position-time graphs to analyze motion along a straight line.
• Understand the basic concepts of displacement, velocity, and acceleration.
• Connect algebraic equations with graphical representations of motion.+ Show more

Learning Objectives

• Understand the basic concepts of force and motion.
• Identify different types of forces such as contact and field forces.
• Interpret free-body diagrams and apply Newton's second law.+ Show more

Learning Objectives

• Identify and describe observable properties such as colour and texture in various materials.
• Understand how properties like hardness, malleability, conductivity, density, and solubility help in classifying matter.
• Analyze regional examples of observable properties to draw scientific conclusions.

Learning Objectives

• Describe the basic concept of the particle model of matter.
• Explain how particles are arranged in solids, liquids, and gases.
• Understand the relationship between particle movement and properties like diffusion and pressure.

Learning Objectives

• Identify examples of physical changes in everyday life.
• Differentiate between physical changes and chemical transformations.
• Describe the properties of physical changes and their reversibility.

Learning Objectives

• Identify different types of magmas and their properties
• Understand the relationship between magma viscosity, volatile content, and eruptive style
• Recognize volcanic gas emissions and their impact on climate and environment+ Show more

Learning Objectives

• Identify components of the geosphere, hydrosphere, atmosphere, and biosphere.
• Describe interactions among Earth's spheres using conceptual models and diagrams.
• Recognize material and energy exchanges such as nutrient transport, gas fluxes, and ocean upwelling.+ Show more

Learning Objectives

• Identify different types of seismic waves and their features
• Understand how seismic waveforms and travel-time curves are used to infer Earth's subsurface structure
• Compare P- and S-wave characteristics to determine earthquake depth and fault behavior+ Show more

Learning Objectives

• Understand the distinction between power, energy, and system efficiency in technological systems.
• Calculate energy demand over time using power ratings and operational durations.
• Assess the impact of conversion losses and system inefficiencies on overall energy throughput.+ Show more

Learning Objectives

• Understand the mechanisms by which heritable variation influences differential survival and reproduction.
• Identify examples of natural selection, such as beak morphology shifts and antibiotic resistance.
• Describe how models of fitness and allele frequency changes illustrate different types of selection.+ Show more

Learning Objectives

• Understand the construction of phylogenetic trees using morphological and molecular data.
• Interpret relationships between species based on shared derived characters.
• Learn different methods for building phylogenies, including parsimony and molecular distance.+ Show more

Learning Objectives

• Understand the principles of conservation of mass in chemical reactions.
• Relate moles, mass, and particle counts using molar mass conversions.
• Perform limiting reagent analysis and calculate theoretical yields.+ Show more

Learning Objectives

• Explain how collision frequency, activation energy, and reaction pathways influence reaction rates.
• Describe the effect of temperature, concentration, and catalysts on reaction speed.
• Apply rate laws and determine reaction order in various chemical reactions.+ Show more

Learning Objectives

• Understand how temperature, pressure, concentration, and catalysts influence chemical reactions.
• Explain the principles of equilibrium and kinetics in reaction systems.
• Analyze how reaction conditions affect product yield and selectivity.+ Show more

Learning Objectives

• Understand the structural differences between ionic lattices, covalent networks, and molecular solids.
• Identify how properties like melting point, electrical conductivity, hardness, and solubility reflect lattice organization.
• Compare the characteristics of ionic solids, molecular solids, and covalent network solids based on their particle arrangement and electrical forces.+ Show more

Learning Objectives

• Explain the principle of conservation of linear momentum in isolated systems.
• Differentiate between elastic and inelastic collisions through vector sum calculations.
• Calculate total momentum before and after collisions in various scenarios.+ Show more

Learning Objectives

• Explain how reproductive isolation mechanisms contribute to speciation.
• Describe the roles of geographic separation and genetic divergence in lineage formation.
• Identify examples of allopatric and sympatric speciation, including hybrid zones and polyploidy.+ Show more

Learning Objectives

• Understand the layered internal structure of Earth based on seismic, gravity, and heat-flow evidence.
• Interpret behavior of P-waves and S-waves to distinguish Earth's internal composition.
• Analyze the role of density contrasts and mantle temperature gradients in convective heat transfer.+ Show more

Learning Objectives

• Analyze hydrologic data to understand water’s role in shaping Earth's surface.
• Identify processes like erosion, transport, and deposition in landscape change.
• Interpret discharge records, sediment measurements, and watershed maps.+ Show more

Learning Objectives

• Understand the key processes involved in plate tectonics, including seafloor spreading, subduction, and mountain formation.
• Explain how mantle convection relates to surface geological features and plate movements.
• Analyze evidence such as magnetic anomalies and geologic cross-sections that support tectonic theories.+ Show more

Learning Objectives

• Analyze how land-use change, invasive species, pollution, and resource extraction impact biodiversity.
• Interpret case studies such as deforestation, coral reef degradation, and agricultural runoff.
• Evaluate trade-offs between conservation efforts, provisioning services, and socioecological outcomes.+ Show more

Learning Objectives

• Understand the processes involved in nutrient cycling within ecosystems.
• Identify the roles of microbes and human activities in nutrient pathways.
• Analyze how alterations in nutrient fluxes affect ecosystem productivity and long-term nutrient availability.+ Show more

Learning Objectives

• Understand the principles of algebraic and computational models in engineering systems.
• Apply model formulation and parameter estimation techniques to real-world systems.
• Analyze the sensitivity of system outputs to design variables through numerical methods.+ Show more

Learning Objectives

• Understand the roles of producers and consumers in ecosystems.
• Explain how photosynthesis and cellular respiration transfer energy and cycle carbon and oxygen.
• Analyze how productivity and respiration rates affect energy availability and biomass accumulation.+ Show more

Learning Objectives

• Identify key factors involved in problem framing within engineering projects.
• Explain the importance of social, economic, and environmental constraints.
• Analyze how stakeholder criteria influence design decisions.+ Show more

Learning Objectives

• Understand the inverse-square relationship in gravitational and electrostatic forces.
• Apply mathematical formulas to calculate the magnitude of forces between objects.
• Analyze the direction of forces in vector form and predict interactions in various scenarios.+ Show more

Learning Objectives

• Explain energy transfer across trophic levels in ecosystems.
• Describe the structure of food webs and their ecological significance.
• Quantify energy loss using trophic pyramids and understand ecological efficiency.+ Show more

Learning Objectives

• Understand the structure and function of chromosomes and DNA in heredity.
• Explain the process of DNA transmission through meiosis and fertilization.
• Identify observable genetic phenomena such as karyotype patterns and transmission ratios.+ Show more

Learning Objectives

• Identify different types of natural hazards and their triggering mechanisms.
• Analyze spatial patterns and recurrence intervals of hazards.
• Evaluate the impacts of hazards on human and ecological systems.+ Show more

Learning Objectives

• Understand different prototyping methods and their appropriate applications.
• Identify materials and techniques used in various prototyping approaches.
• Analyze test data to iteratively improve prototypes.+ Show more

Learning Objectives

• Understand the observational evidence that constrains the age and evolution of the universe.
• Identify key concepts such as redshift surveys, cosmic microwave background, and primordial abundances.
• Explain how different measurements contribute to the understanding of cosmic timescales.+ Show more

Learning Objectives

• Explain the basic principles of orbital motion and gravitational interactions.
• Describe Kepler's laws of planetary motion and Newton's law of universal gravitation.
• Analyze the relationship between orbital period and semi-major axis in planetary and satellite orbits.+ Show more

Learning Objectives

• Understand various natural hazards such as earthquakes, volcanoes, tsunamis, hurricanes, and floods.
• Evaluate hazard risks using historical records, probabilistic models, and hazard mapping techniques.
• Analyze factors like exposure, vulnerability, and cascading effects on communities and infrastructure.+ Show more

Learning Objectives

• Compare energy and mineral resource options based on environmental and economic impacts.
• Evaluate the life-cycle trade-offs of different resource extraction and use methods.
• Analyze case studies such as coal combustion, mountaintop removal, hydraulic fracturing, solar arrays, and wind farms.+ Show more

Learning Objectives

• Understand the concept of energy conservation within closed and open systems.
• Identify different forms of energy transfer and their representations.
• Apply mathematical models to analyze energy flow in electrical and chemical systems.+ Show more

Learning Objectives

• Understand various devices and processes involved in energy conversion.
• Analyze the efficiency and energy bookkeeping during different energy transfer processes.
• Identify examples of photovoltaic cells, thermoelectric modules, and electrochemical cells.+ Show more

Learning Objectives

• Understand how molecular, cellular, and organ interactions lead to physiological properties.
• Link genetic variation to cellular responses and organ system functions.
• Interpret biochemical, histological, and organ function data in health and disease.+ Show more

Learning Objectives

• Understand the interactions between land use, water management, and ecosystem health.
• Identify indicators of soil and water ecosystem resilience.
• Evaluate sustainable agriculture practices and their trade-offs.+ Show more

Learning Objectives

• Explain how balancing chemical equations enforces conservation of atoms
• Use coefficients to produce equal numbers of each element on both sides of a chemical equation
• Connect balanced equations to quantitative relationships between reactants and products

Learning Objectives

• Simplify mixed (series-parallel) circuit networks by identifying equivalent resistances
• Apply Ohm’s law and series/parallel rules to determine current and voltage trends in combined circuits
• Trace current paths through branches to analyze how loads behave in real systems