Grade 9 Science Worksheets

Learning Objectives

• Describe different types of intermolecular forces and their effects on physical properties.
• Explain how molecular structure influences intermolecular interactions.
• Compare London dispersion forces, dipole–dipole, and hydrogen bonding in terms of strength.+ Show more

Learning Objectives

• Explain how reaction-coordinate energy profiles represent activation energy and overall enthalpy change.
• Differentiate exothermic and endothermic reactions using the sign of ΔH.
• Identify the role of transition states in an energy profile and relate them to bond changes.

Learning Objectives

• Explain the basic principles of Mendelian inheritance, including segregation and independent assortment.
• Identify and describe non-Mendelian inheritance patterns such as incomplete dominance, codominance, and polygenic traits.
• Recognize how environmental factors and gene linkage modify phenotypic expression.+ Show more

Learning Objectives

• Understand how fossil records provide evidence of past life and evolution.
• Identify different methods used in dating fossils and interpreting their significance.
• Recognize the influence of taphonomy and preservation bias on fossil discovery and analysis.+ Show more

Learning Objectives

• Describe how sex chromosomes (X and Y) influence inheritance patterns of sex-linked traits
• Explain how hemizygosity and dosage compensation affect the expression and frequency of X-linked recessive conditions
• Interpret how sex-linked inheritance can change expectations for offspring in breeding and population genetics contexts

Learning Objectives

• Understand the ecological, economic, and health implications of genetic technologies.
• Identify potential risks such as gene flow, resistance development, and market impacts.
• Evaluate benefits including therapeutic opportunities and ecological advancements.+ Show more

Learning Objectives

• Understand challenges and solutions related to integrating wind and solar energy into the electrical grid.
• Identify mechanisms for grid balancing and storage needs associated with renewable energy sources.
• Evaluate environmental and economic implications of renewable energy integration.+ Show more

Learning Objectives

• Describe the basic particles that make up an atom: protons, neutrons, and electrons.
• Explain electron configurations and energy levels in atoms.
• Organize elements in the periodic table based on valence electrons and predict chemical behavior.+ Show more

Learning Objectives

• Identify and describe different types of seismic waves: P-waves, S-waves, and surface waves.
• Understand how seismic waves propagate through Earth's layers.
• Explain how seismic wave travel times help locate earthquakes and model Earth's interior.+ Show more

Learning Objectives

• Define net force and distinguish between balanced and unbalanced forces
• Explain how unbalanced forces cause objects to start, stop, or change direction
• Identify real-world examples of forces affecting motion

Learning Objectives

• Understand how combining kinematic descriptions, force balances, and energy considerations provides a comprehensive analysis of motion.
• Apply graph, equation, and net-force reasoning to real-world transport and recreational scenarios.
• Evaluate complex motions such as braking on a mountain pass, cable car system dynamics, and stopping distances under varied conditions.

Learning Objectives

• Understand the principle of mass conservation in chemical reactions.
• Identify real-world applications involving mass measurements in closed systems.
• Explain how atoms are conserved during chemical processes.+ Show more

Learning Objectives

• Explain the role of sex chromosomes in inheritance.
• Identify characteristics of sex-linked traits and their inheritance patterns.
• Understand mechanisms like hemizygosity and dosage compensation in mammals.+ Show more

Learning Objectives

• Understand the processes of mitosis and meiosis and their roles in the life cycle.
• Identify key features of chromosome pairing, segregation, and errors such as nondisjunction.
• Explain the implications of cell division processes in heredity, growth, and agriculture.+ Show more

Learning Objectives

• Understand the process of natural selection and how it influences adaptations in populations.
• Identify examples of adaptive traits and the role of selective pressures in different environments.
• Differentiate between natural selection and artificial selection in shaping species over generations.+ Show more

Learning Objectives

• Describe mechanisms of asexual reproduction including binary fission, budding, spore formation, and vegetative propagation.
• Explain the genetic consequences of producing clones and how this affects diversity.
• Assess the ecological contexts that favor asexual versus sexual reproduction.+ Show more

Learning Objectives

• Understand the differences between sexual and asexual reproduction.
• Identify examples of reproductive strategies used by Alberta species.
• Analyze ecological trade-offs related to reproductive methods.+ Show more

Learning Objectives

• Identify different sources of genetic variation such as mutation, recombination, gene flow, and chromosomal rearrangements.
• Explain how mutation affects genetic diversity and understand different mutation types.
• Describe mechanisms like recombination and gene flow that increase genetic variation.+ Show more

Learning Objectives

• Analyze ethical and societal implications of genetic technologies.
• Identify stakeholder responsibilities and ethical frameworks related to genetics.
• Evaluate regional examples of genetic applications and their societal impacts.+ Show more

Learning Objectives

• Explain the process of fertilization and how it initiates development in organisms.
• Differentiate between internal and external fertilization strategies with examples.
• Describe the stages of embryonic development and factors influencing successful growth.+ Show more

Learning Objectives

• Understand ecological, economic, and health risks associated with genetic technologies.
• Evaluate potential benefits and trade-offs of adopting genetic innovations.
• Analyze Alberta-relevant examples like canola gene flow and cattle genetics.+ Show more

Learning Objectives

• Understand major genetic technologies such as selective breeding, hybridization, genetic modification, and gene editing.
• Describe the application of biotechnology in agriculture and livestock breeding.
• Explain mechanisms for trait introduction and alteration at molecular and population levels.+ Show more

Learning Objectives

• Describe the structure of DNA and its double-helix formation.
• Explain how chromosomes organize genetic information within cells.
• Distinguish between nuclear and organelle genomes and their roles.+ Show more

Learning Objectives

• Explain the principles of allele frequency and Hardy-Weinberg equilibrium assumptions.
• Describe genetic drift, bottlenecks, and founder effects in small or isolated populations.
• Analyze how gene flow, selection coefficients, and stochastic processes influence evolutionary outcomes.+ Show more

Learning Objectives

• Explain Mendelian inheritance patterns including dominant and recessive alleles.
• Distinguish between genotype and phenotype in genetic traits.
• Apply Punnett square logic to predict trait segregation ratios.+ Show more

Learning Objectives

• Explain the sequence and roles of catabolic and anabolic pathways in cellular metabolism.
• Describe how enzyme regulation controls pathway activity in response to cellular energy demands.
• Identify the mechanisms of feedback inhibition, compartmentalization, and substrate availability in metabolic regulation.+ Show more

Learning Objectives

• Understand the origin and nature of Earth's magnetic field.
• Learn how magnetic declination varies regionally and affects navigation.
• Connect planetary-scale magnetism to local technological applications and instrument calibration.+ Show more

Learning Objectives

• Identify common sources of systematic and random errors in scientific experiments.
• Understand methods for detecting and quantifying errors such as bias, confounding, and model mis-specification.
• Explain how error contributes to overall uncertainty and how to interpret robust conclusions based on error analysis.

Learning Objectives

• Describe the different types of forces including contact and non-contact forces.
• Understand how vector quantities like magnitude and direction combine to influence motion.
• Apply qualitative reasoning to predict the effects of opposing forces on objects.+ Show more

Learning Objectives

• Understand the concepts of power and efficiency in engineering systems.
• Identify practical examples of power transfer and energy conversion.
• Analyze the relationship between input power, output work, and energy losses.+ Show more

Learning Objectives

• Understand how the slope of displacement–time graphs relates to velocity.
• Recognize how the slope of velocity–time graphs indicates acceleration.
• Interpret the area under a velocity–time graph as displacement.+ Show more

Learning Objectives

• Identify variables in constant-acceleration motion equations
• Understand the sign convention for velocity and acceleration
• Apply algebraic formulas to predict displacement and velocity+ Show more

Learning Objectives

• Define relative motion and understand the concept of frames of reference.
• Identify different examples of relative motion in everyday life.
• Describe how velocity depends on the observer's frame of reference.+ Show more

Learning Objectives

• Understand the fundamentals of kinematic descriptions through graphs and equations.
• Apply force balance principles to analyze complex motion scenarios.
• Integrate energy considerations with motion analysis for comprehensive explanations.+ Show more

Learning Objectives

• Define mechanical advantage and explain its importance in machinery.
• Identify different classes of levers and how they relate to mechanical advantage.
• Calculate mechanical advantage ratios for various simple machines.+ Show more

Learning Objectives

• Understand the basics of displacement-time graphs
• Interpret the slope of displacement-time graphs to determine speed
• Recognize different segments indicating uniform and changing motion+ Show more

Learning Objectives

• Understand the concepts of kinetic and potential energy
• Identify examples of energy transfer in real-world scenarios
• Explain how energy conservation applies to different situations+ Show more

Learning Objectives

• Identify the three laws of motion developed by Sir Isaac Newton.
• Explain how forces influence the movement of objects.
• Apply Newtonian principles to real-world situations such as transportation and structural stability.

Learning Objectives

• Describe the parts and operation of a lever.
• Identify different types of simple machines.
• Explain how simple machines reduce effort and change direction.+ 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 friction and how surface texture influences it.
• Identify everyday examples of friction and drag.
• Explain how friction and drag affect the performance of vehicles and objects.+ Show more

Learning Objectives

• Define net force and explain its role in motion.
• Describe how vector addition determines the resultant force.
• Identify factors influencing net force in practical scenarios.+ Show more

Learning Objectives

• Develop a testable prediction about changes in stream turbidity
• Identify safe procedures for investigating environmental chemistry questions
• Interpret turbidity observations and explain sources of uncertainty+ Show more

Learning Objectives

• Compare electricity generation methods using resource and environmental criteria
• Explain how batteries help balance electricity supply and demand
• Identify conservation actions that reduce unnecessary electricity use+ Show more

Learning Objectives

• Distinguish experimental evidence from theoretical atomic models.
• Explain how atomic number determines an element's identity.
• Describe the relationship between neutral atoms, protons, and electrons.+ Show more

Learning Objectives

• Distinguish mixtures, pure substances, elements, and compounds by composition.
• Compare materials using measured physical properties.
• Explain how controlled conditions improve material comparisons.+ Show more

Learning Objectives

• Explain how DNA, genes, and chromosomes relate to inherited characteristics
• Compare the outcomes and roles of mitosis and meiosis
• Distinguish natural selection from selective breeding using examples+ Show more

Learning Objectives

• Compare geocentric and heliocentric models of the solar system
• Distinguish astronomical observations from scientific models
• Explain how Galileo's observations challenged earlier explanations+ Show more