Grade 9 Worksheets

Learning Objectives

• Understand how fossils support the theory of evolution.
• Identify different types of fossil evidence.
• Explain how fossils demonstrate gradual change in species over time.

Learning Objectives

• Understand the mechanisms of gene regulation, signal transduction, and intercellular communication.
• Identify examples of molecular signaling pathways such as insulin-mediated glucose uptake and receptor tyrosine kinase cascades.
• Explain how molecular regulation affects cellular functions and physiological outcomes.+ Show more

Learning Objectives

• Understand the key differences between prokaryotic and eukaryotic cells.
• Identify structural components unique to each cell type.
• Explain how cellular organization influences biological functions.+ Show more

Learning Objectives

• Describe the structure and function of the cardiovascular system.
• Explain how blood flow is regulated to meet tissue demands.
• Identify components of blood and their roles in transport.+ Show more

Learning Objectives

• Explain the concepts of negative and positive feedback in maintaining internal stability.
• Identify physiological examples of feedback loops such as thermoregulation and blood glucose regulation.
• Describe the role of set points, sensors, and effectors in feedback systems.+ Show more

Learning Objectives

• Explain how kinematics, net-force reasoning, and energy considerations work together to predict complex motion.
• Use force balance and energy ideas to determine acceleration and changes in speed during braking.
• Interpret how graphs and equations combine to estimate stopping distance under varying conditions.

Learning Objectives

• Explain how power relates to the rate of energy transfer in everyday and engineering systems
• Calculate and interpret efficiency as the fraction of input energy converted to useful output
• Identify major sources of energy loss and describe how they affect operational limits and design trade-offs

Learning Objectives

• Differentiate speed, velocity, and acceleration using scalar vs. vector ideas and direction conventions.
• Use basic kinematics relationships and unit conversions to compare motion in real contexts.
• Interpret sign conventions for motion and determine whether acceleration is increasing or decreasing velocity.

Learning Objectives

• Understand the processes involved in the rock cycle, including melting, crystallization, erosion, and metamorphism.
• Identify examples of rock transformations such as basalt formation, sandstone deposition, and regional metamorphism.
• Explain how rates, pressure-temperature conditions, and radiometric ages influence the sequencing of rock cycle events.+ Show more

Learning Objectives

• Describe the layered structure of Earth's interior as understood through seismic, gravity, and heat-flow evidence.
• Explain how seismic wave behavior and mantle temperature gradients inform models of Earth's internal processes.
• Identify the relationships between core composition, mantle convection, and planetary thermal evolution.+ Show more

Learning Objectives

• Identify the sequence of events in gene expression
• Explain how transcription and translation convert genetic information into a polypeptide
• Recognize the roles of mRNA, codons, and tRNA in building proteins

Learning Objectives

• Understand how land-use change, invasive species, pollution, and resource extraction affect biodiversity and ecosystems.
• Interpret empirical data from case studies like deforestation, coral reef degradation, and agricultural runoff.
• Evaluate approaches for mitigating environmental impacts to support ecosystem resilience.+ Show more

Learning Objectives

• Understand the algebraic relationships in constant-acceleration motion equations.
• Apply motion equations to real-world situations such as vehicle stopping, skiing, and free fall.
• Use appropriate units, sign conventions, and substitution methods for problem solving.+ Show more

Learning Objectives

• Understand Newton's three laws of motion and their applications.
• Explain how forces relate to motion in real-world contexts.
• Analyze scenarios involving inertia, force–acceleration, and action–reaction pairs.+ Show more

Learning Objectives

• Understand the concept of work as energy transfer by force and displacement.
• Identify how simple machines change the magnitude or direction of applied forces.
• Explain the relationships among force, distance, work, and mechanical advantage in practical contexts.+ Show more

Learning Objectives

• Understand how nucleic acid sequences determine amino acid chains and protein structures.
• Connect molecular coding and folding to the architecture and function of cellular organelles.
• Identify examples of proteins that influence cell function, such as hemoglobin and membrane transport proteins.+ Show more

Learning Objectives

• Describe how feedback loops contribute to multi-system coordination in the body.
• Explain the roles of neural, hormonal, and local signals in mediating organism responses.
• Analyze how disruptions in one component of system coordination can cascade to affect overall homeostasis.+ Show more

Learning Objectives

• Define homeostasis and understand its significance in maintaining internal body conditions.
• Identify the roles of sensors, integrating centers, and effectors in feedback mechanisms.
• Describe how various body systems contribute to homeostasis, including respiratory, circulatory, endocrine, renal, and nervous systems.

Learning Objectives

• Identify major eukaryotic organelles and describe their specific functions
• Explain how organelle structure and molecular composition support cellular tasks
• Connect organelle roles to how different tissues carry out specialized activities

Learning Objectives

• Explain how the phospholipid bilayer creates a selective barrier using hydrophobic and hydrophilic regions.
• Describe how integral and peripheral proteins support transport, signaling, and structure in membranes.
• Connect membrane fluidity and selective permeability to cholesterol and the fluid mosaic model.

Learning Objectives

• Explain how genes are regulated through promoter, enhancer, silencers, and transcription factors.
• Describe epigenetic modifications such as DNA methylation and histone acetylation and their effects on gene expression.
• Analyze how regulatory networks and feedback loops respond to developmental and environmental signals.+ Show more

Learning Objectives

• Interpret molecular and phenotypic data to infer inheritance patterns.
• Compare observed genotype and phenotype frequencies with expected ratios.
• Identify variants through PCR-based markers, single nucleotide variants, and sequencing reads.+ Show more

Learning Objectives

• Describe the semi-conservative nature of DNA replication.
• Identify key enzymes involved in DNA replication and their functions.
• Explain the differences between leading and lagging strand synthesis.+ Show more

Learning Objectives

• Understand the concepts of polygenic traits, epistasis, and pleiotropy.
• Identify how variable penetrance and expressivity influence phenotype expression.
• Explain how linkage reduces independent assortment and the role of environmental factors.+ Show more

Learning Objectives

• Identify common molecular techniques used in biotechnology applications.
• Explain how techniques like PCR, gel electrophoresis, DNA sequencing, and CRISPR are used in research and medicine.
• Describe various applications of biotechnology in diagnostics, gene therapy, and agriculture.+ Show more

Learning Objectives

• Explain how observed speed and direction depend on the reference frame.
• Describe scenarios illustrating vector addition of velocities in relative motion.
• Analyze how frame choices impact calculations of displacement, speed, and acceleration.+ Show more

Learning Objectives

• Explain how molecular, cellular, and organ-level interactions produce emergent physiological properties.
• Analyze how genetic variations can lead to system dysfunction in conditions such as cystic fibrosis, heart failure, and metabolic syndrome.
• Interpret data from biochemical assays, histology, and organ function metrics to assess organismal health and disease pathways.+ Show more

Learning Objectives

• Interpret position–time and velocity–time graphs in the context of motion.
• Understand how the slope of a position–time graph indicates velocity and how the slope of a velocity–time graph indicates acceleration.
• Recognize that the area under a velocity–time graph corresponds to displacement.+ Show more

Learning Objectives

• Understand how nucleic acid sequences determine amino acid chains and protein structures.
• Connect molecular coding and folding to organelle architecture such as ribosomes, endoplasmic reticulum, and mitochondria.
• Identify functional roles of proteins like hemoglobin and membrane transporters based on their structure.+ Show more

Learning Objectives

• Understand the concept and stages of ecological succession.
• Differentiate between primary and secondary succession.
• Identify factors that influence succession trajectories and ecosystem stability.+ Show more

Learning Objectives

• Explain how fossil records provide evidence of past life through preserved remains, impressions, and traces.
• Describe how stratigraphy and radiometric dating contribute to determining fossil ages.
• Evaluate how taphonomy and preservation bias affect which organisms appear in the fossil record.+ Show more

Learning Objectives

• Distinguish between mixtures and solutions based on uniformity and separability.
• Identify the roles of solute and solvent in a solution.
• Explain how concentration affects the appearance and behavior of mixtures.+ Show more

Learning Objectives

• Understand the components and functions of homeostatic feedback loops.
• Differentiate between negative and positive feedback mechanisms.
• Explain how signaling pathways and transport processes transmit information in feedback loops.+ Show more

Learning Objectives

• Understand the molecular mechanisms of DNA replication, transcription, RNA processing, and translation.
• Explain how sequence variation and mutations affect gene expression and protein function.
• Apply molecular models and sequence reasoning to predict phenotypic outcomes of allelic changes.+ Show more

Learning Objectives

• Identify the basic parts of a cell and describe their functions.
• Understand the principles of cell theory and its significance in biology.
• Differentiate between unicellular and multicellular organisms.+ Show more

Learning Objectives

• Understand the concept of phylogenetic trees and their components.
• Identify the differences between monophyletic, paraphyletic, and polyphyletic groups.
• Interpret branch lengths and rooted versus unrooted trees.+ Show more

Learning Objectives

• Explain the process of natural selection and its role in evolution.
• Identify examples of adaptation in Alberta's ecosystems such as prairie grass and snowshoe hares.
• Distinguish between natural and artificial selection and their effects on populations.+ Show more

Learning Objectives

• Understand the principles of gravitational interactions governing planetary and satellite orbits.
• Explain Kepler's laws and Newton's law of universal gravitation as they relate to orbital motion.
• Analyze relationships between orbital period, semi-major axis, and escape velocity through examples.+ Show more

Learning Objectives

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

Learning Objectives

• Explain the principles governing orbital motion, including Kepler's laws and Newton's law of gravitation.
• Calculate relationships between orbital period, semi-major axis, and escape velocity.
• Describe the effects of orbital resonance and perturbations on satellite and planetary stability.+ Show more

Learning Objectives

• Understand the role of models in scientific explanations
• Identify different types of scientific models
• Evaluate how models are used to interpret measurement data+ Show more

Learning Objectives

• Understand the different lines of evidence used to infer evolutionary relationships.
• Identify how fossil, anatomical, and molecular data support evolutionary history.
• Explain the importance of integrating multiple evidence types to reconstruct biodiversity over time.

Learning Objectives

• Understand the principles of safe and effective electrical system use in various applications.
• Learn to match device ratings and functions with appropriate power sources and environmental conditions.
• Identify protective measures essential for safety and efficiency in electrical systems.+ Show more

Learning Objectives

• Understand that genes are DNA segments encoding proteins and regulatory elements influencing phenotype.
• Explain the processes of transcription and translation in gene expression.
• Describe how gene regulation affects protein production and phenotypic traits.+ Show more

Learning Objectives

• Differentiate between heat and temperature.
• Explain basic mechanisms of heat transfer: conduction, convection, radiation.
• Perform calculations involving specific heat capacity, mass, and temperature change.+ Show more

Learning Objectives

• Identify major cell components (membranes, organelles, cytoskeleton) and describe how they support cellular functions.
• Explain how compartmentalization affects diffusion, selective transport, and metabolism.
• Analyze how membrane or organelle damage can change diffusion/transport rates and reduce metabolic efficiency.

Learning Objectives

• Explain how friction and drag act as opposing forces to relative motion
• Analyze how friction and drag can change acceleration in real-world situations
• Relate friction to contact conditions and normal force, and drag to speed and fluid resistance

Learning Objectives

• Explain the process of photosynthesis and its significance in converting solar energy to chemical energy.
• Identify the inputs and outputs involved in photosynthesis.
• Describe the role of pigments and the compartments within chloroplasts during photosynthesis.+ Show more