Grade 9 Science Worksheets

Learning Objectives

• Define chemical properties and distinguish them from physical properties.
• Identify examples of chemical reactions such as rusting and combustion.
• Observe and interpret signs of chemical change, including gas evolution, precipitate formation, and color change.+ Show more

Learning Objectives

• Understand the distinction between elements, compounds, and mixtures using macroscopic and compositional criteria.
• Define pure substances and mixtures based on their fixed or variable composition.
• Use symbols and formulas to represent elements and compounds.+ Show more

Learning Objectives

• Differentiate between homogeneous and heterogeneous mixtures.
• Describe physical methods used to separate components based on physical properties.
• Identify examples of mixtures such as saltwater, soil, and air.+ Show more

Learning Objectives

• Explain phase changes in terms of energy transfer and particle motion.
• Identify the processes of melting, vaporization, sublimation, and condensation.
• Understand how heat energy affects particle potential and kinetic energy during phase transitions.+ Show more

Learning Objectives

• Explain the particle model as a framework for understanding states of matter, diffusion, and temperature-dependent behavior.
• Describe how particle motion, spacing, and forces relate to microscopic and macroscopic phenomena.
• Relate kinetic energy to temperature and analyze particle arrangements in solids, liquids, and gases.+ Show more

Learning Objectives

• Understand the particle model to explain gas properties such as pressure, volume, and temperature.
• Describe how particle collisions and kinetic energy influence measurable pressure changes.
• Explain qualitatively how macroscopic gas laws emerge from microscopic particle motion.+ Show more

Learning Objectives

• Understand the process of speciation and how it leads to biodiversity.
• Identify different reproductive barriers involved in speciation.
• Distinguish between allopatric and sympatric speciation.+ Show more

Learning Objectives

• Describe different mechanisms of asexual reproduction such as binary fission, budding, spore formation, and vegetative propagation.
• Explain the ecological and genetic consequences of producing clones through asexual strategies.
• Identify Alberta-specific examples of asexual reproduction like aspen groves, bacteria in soil, and horticultural practices.+ Show more

Learning Objectives

• Understand the structure and function of genes as DNA segments that encode proteins.
• Explain the processes of transcription and translation in gene expression.
• Identify how gene regulation influences phenotype and observable traits in organisms.+ Show more

Learning Objectives

• Explain Mendelian inheritance patterns including dominant and recessive alleles.
• Differentiate between genotype and phenotype in trait expression.
• Use Punnett squares to predict trait segregation ratios.+ Show more

Learning Objectives

• Identify the differences between series and parallel circuits.
• Describe the properties of series and parallel arrangements in electrical circuits.
• Analyze simple combined circuits to determine current and voltage distribution.+ Show more

Learning Objectives

• Explain the mechanical and chemical processes involved in food breakdown during digestion.
• Describe how nutrients are absorbed across the intestinal epithelium, focusing on villi and microvilli.
• Understand the roles of enzymes, transport mechanisms, bile, and micelles in nutrient absorption.+ Show more

Learning Objectives

• Understand the standardized symbols used in circuit diagrams.
• Interpret circuit topology from schematic representations.
• Predict current paths, voltage drops, and node relationships in various systems.+ Show more

Learning Objectives

• Explain the structure of evidence-based reasoning linking observations, analyses, and claims.
• Identify standards for sufficiency, consistency, and handling competing explanations in evidence chains.
• Evaluate the use of multiple representations—graphs, summaries, diagrams—in supporting inferential claims.+ Show more

Learning Objectives

• Analyze how time-series data and difference equations describe changing systems.
• Interpret phase diagrams and identify equilibrium states in dynamic models.
• Understand feedback loops, rates, and causality in empirical and mathematical representations.+ Show more

Learning Objectives

• Understand the principles of metric measurement and the importance of standard units.
• Analyze how instrument resolution and calibration affect measurement accuracy and precision.
• Interpret and create tabular and graphical representations of measurement data.+ Show more

Learning Objectives

• Understand the principles of scaling laws and their application in scientific modeling.
• Identify how dimensional similarity affects the design and interpretation of models across scales.
• Apply proportional reasoning to analyze relationships in systems like diffusion, biomass, and periodic phenomena.+ Show more

Learning Objectives

• Understand how to quantify and interpret random and systematic uncertainties in datasets.
• Calculate and compare standard deviation, standard error, and confidence intervals.
• Apply basic error propagation methods to combined measurements.+ Show more

Learning Objectives

• Define and explain the key control criteria used in establishing causality and their importance.
• Analyze how variable isolation, replication, baseline characterization, and reference conditions influence causal interpretation.
• Evaluate the impact of residual confounding and uncontrolled variation on the strength of causal claims.+ Show more

Learning Objectives

• Define the components of scientific arguments, including claim, evidence, and reasoning.
• Analyze coherence, relevance, and alternative explanations in constructing scientific arguments.
• Evaluate how quantitative evidence and model comparison strengthen arguments.+ Show more

Learning Objectives

• Explain the differences between mean, median, and mode and their appropriate contexts.
• Analyze how skewness, outliers, and multimodality influence the choice of central tendency measure.
• Connect the selection of a central tendency to the underlying distribution or data-generating process.+ Show more

Learning Objectives

• Explain the role of simple computational simulations and numerical models in generating predictions from hypotheses.
• Describe how parameter sensitivity and scenario comparison influence forecast accuracy.
• Illustrate how ensembles and visualizations depict uncertainty in predictions.+ Show more

Learning Objectives

• Understand the conventions used for conveying uncertainty and confidence in scientific communication.
• Identify different types of estimates and visualizations used to express variability and effect sizes.
• Evaluate the role of assumptions and limitations when reporting inferential results.+ Show more

Learning Objectives

• Explain the concepts of residual analysis and goodness-of-fit measures.
• Interpret graphical outputs such as residual plots and overlays.
• Identify patterns indicating model inadequacy or violations of assumptions.+ Show more

Learning Objectives

• Identify various sources of systematic and random errors in scientific research.
• Describe methods used to detect bias and errors, including cross-method comparison and residual analysis.
• Explain how quantified errors contribute to the overall uncertainty in measurements and conclusions.+ Show more

Learning Objectives

• Explain the steps in a design cycle and how feedback leads to improvements.
• Identify design requirements and constraints in an engineering problem.
• Use evidence to justify a design refinement.+ Show more

Learning Objectives

• Explain how data and diagrams help communicate design decisions to others.
• Identify how labeled component relationships support understanding of a design.
• Use reasoning to connect test results to design changes, including trade-offs.+ Show more

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

• Describe the key structural differences between DNA and RNA.
• Explain the significance of base pairing and strand orientation in genetic replication.
• Identify the chemical components that distinguish DNA from RNA and their roles in cellular functions.+ Show more

Learning Objectives

• Identify different types of mixtures such as homogeneous and heterogeneous.
• Describe physical methods used to separate components of mixtures.
• Understand examples of mixtures like saltwater, soil, and air.+ Show more

Learning Objectives

• Understand the components and architecture of power distribution systems.
• Identify how voltage transformation and network topology affect system reliability.
• Explain regional constraints and environmental considerations in power transmission.+ Show more

Learning Objectives

• Understand how ice cores, marine sediments, and terrestrial proxies record past atmospheric carbon levels.
• Identify methods used to analyze past greenhouse gas concentrations.
• Explain the significance of long-term carbon trends in understanding climate change.+ Show more

Learning Objectives

• Differentiate between homogeneous and heterogeneous mixtures
• Identify examples of mixtures from daily life
• Describe physical methods used to separate components of mixtures+ Show more

Learning Objectives

• Understand and explain Newton's three laws of motion.
• Identify real-world examples illustrating each of Newton's laws.
• Apply Newton's laws to analyze motion and forces in various situations.+ Show more

Learning Objectives

• Explain how organelles cooperate to support cellular metabolism
• Compare the roles of rough and smooth endoplasmic reticulum
• Describe how transport vesicles and the Golgi apparatus move materials+ Show more

Learning Objectives

• Explain how light microscopes and electron microscopes form images
• Distinguish magnification from resolution when interpreting microscope images
• Interpret scale bars to estimate the actual size of structures+ Show more

Learning Objectives

• Explain how organelles cooperate to support cellular metabolism
• Compare the roles of rough and smooth endoplasmic reticulum
• Describe how transport vesicles and the Golgi apparatus move materials+ Show more

Learning Objectives

• Explain how organelles cooperate to support cellular metabolism
• Compare the roles of rough and smooth endoplasmic reticulum
• Describe how transport vesicles and the Golgi apparatus move materials+ Show more

Learning Objectives

• Trace the pathway of a protein from genetic instructions to secretion
• Explain how the rough endoplasmic reticulum and Golgi apparatus process proteins
• Describe how transport vesicles move proteins between cell compartments+ Show more

Learning Objectives

• Explain how the hypothalamus and thermoreceptors coordinate heat gain and heat loss through feedback loops.
• Describe how the skin and vasculature adjust heat loss using vasoconstriction and vasodilation.
• Analyze how sweating, shivering, and metabolic-rate changes affect body temperature under different environmental conditions.

Learning Objectives

• Define series circuits and describe their main characteristics.
• Identify the behavior of current and voltage in series circuits.
• Differentiate between series and parallel circuit arrangements.+ Show more

Learning Objectives

• Explain how the particle model describes pressure, volume, and temperature relationships in gases.
• Describe how microscopic particle motion leads to observable gas properties such as pressure and flow.
• Understand how macroscopic gas laws emerge from particle behavior without using equations.+ 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 the different types of physical changes such as melting, freezing, evaporation, condensation, and dissolving.
• Differentiate between reversible and irreversible physical changes.
• Describe how energy transfer occurs during phase changes.+ Show more

Learning Objectives

• Explain how epithelial structure supports protection and selective exchange.
• Compare extracellular matrix properties in bone, blood, and other connective tissues.
• Relate muscle cell organization to contraction and force production.+ Show more

Learning Objectives

• Define diffusion, facilitated diffusion, and osmosis
• Compare passive and active transport by energy use and gradients
• Explain how membrane proteins support facilitated diffusion and active transport+ Show more

Learning Objectives

• Interpret scale bars when estimating cellular structure dimensions
• Explain how resolution limits affect microscopy image interpretation
• Compare evidence from electron and fluorescence microscopy+ Show more

Learning Objectives

• Explain the three central principles of cell theory
• Compare unicellular and multicellular organisms
• Describe how cell specialization supports organism function+ Show more