Grade 9 Science Worksheets

Learning Objectives

• Explain how glycolysis, the TCA cycle, and electron transport drive cellular respiration and ATP production.
• Compare aerobic and anaerobic outcomes using ATP yields and redox (NADH/FADH2) considerations.
• Use stoichiometry and pathway flux ideas to predict how substrate availability and enzyme regulation change cellular energy currency.

Learning Objectives

• Explain how the particle model describes matter as discrete particles in constant motion
• Relate temperature to particle kinetic energy and predict how heating/cooling affects particle motion
• Use particle spacing and collisions to interpret differences between solids, liquids, and gases+ Show more

Learning Objectives

• Explain how energy and biomass move through trophic levels in a food web
• Use ecological efficiency and production-to-biomass ideas to describe energy loss at each step
• Interpret trophic pyramids and connect top-down and bottom-up control to predator-prey outcomes

Learning Objectives

• Calculate the center of mass for simple composite systems and interpret what it means for balance
• Use moment and net-torque ideas to determine static equilibrium conditions
• Analyze tipping stability by comparing the line of action through the center of mass with a support base

Learning Objectives

• Identify the main lunar phases and their appearance
• Explain how the Moon's position relative to Earth and Sun causes different lunar phases
• Describe the concept of the synodic month and its significance+ Show more

Learning Objectives

• Identify the main factors that influence Earth's climate.
• Understand how greenhouse gases, albedo changes, aerosols, and land use affect climate.
• Explain basic concepts of radiative transfer and Earth's energy balance.+ Show more

Learning Objectives

• Understand the different sources of uncertainty in measurements and systems.
• Explain how measurement limitations and environmental factors contribute to uncertainty.
• Evaluate the impact of uncertainty on scientific results and conclusions.+ Show more

Learning Objectives

• Explain how innate and adaptive immunity work together to maintain homeostasis during infection or injury
• Describe how immune cells coordinate inflammation and repair using chemical and cellular signals
• Connect immune function with circulatory and endocrine system roles in transporting signals and regulating body processes+ Show more

Learning Objectives

• Explain how scientific knowledge evolves through observation, evidence, and models.
• Identify the importance of transparency and peer evaluation in scientific investigations.
• Describe how technological advances influence scientific conclusions.+ Show more

Learning Objectives

• Explain how energy can be transferred by work done, thermal processes, and electromagnetic radiation.
• Connect temperature change, motion change, and absorption to specific energy transfer modes.
• Distinguish energy stored in a system from energy transferred into or out of a system.+ Show more

Learning Objectives

• Explain how gravitational and electrostatic force magnitudes depend on separation using inverse-square relationships.
• Use proportionality and vector direction to determine net force between two interacting objects.
• Solve multi-step problems comparing force strengths at different distances and identifying attraction vs. repulsion.

Learning Objectives

• Understand the basic principles of gravity and how it influences objects in space.
• Explain how gravitational force affects the motion of planets and moons.
• Describe how changes in mass and distance impact the strength of gravity.

Learning Objectives

• Explain how gravity and the Earth–Moon–Sun geometry produce ocean tides.
• Describe how the Moon’s orbital motion leads to predictable tidal cycles related to a lunar day.
• Compare the roles of lunar and solar gravity in strengthening or weakening tides.

Learning Objectives

• Differentiate series and parallel circuit arrangements by how current and voltage behave.
• Predict and explain brightness and reliability outcomes when components are arranged in series versus parallel.
• Apply circuit concepts to real-world examples such as string lights and household outlets.

Learning Objectives

• Understand the purpose and types of scientific models.
• Differentiate between models, explanations, and theories.
• Recognize how scientific models are used to explain phenomena.

Learning Objectives

• Identify gas formation as evidence of a chemical reaction
• Understand various signs indicating a chemical change
• Describe how gas formation occurs during chemical reactions+ Show more

Learning Objectives

• Use constant-acceleration equations to relate displacement, velocities, acceleration, and time.
• Apply a sign convention to choose correct positive/negative values in motion problems.
• Substitute values into kinematic equations to predict stopping distance or travel distance.+ Show more

Learning Objectives

• Understand different ways scientists convey uncertainty in their findings
• Recognize the importance of transparency regarding assumptions and limitations
• Identify various visual and qualitative methods for expressing variability+ Show more

Learning Objectives

• Explain how mechanical and chemical digestion prepare food for absorption.
• Describe how villi and microvilli increase surface area for nutrient transport.
• Compare how monosaccharides, amino acids, and lipids are absorbed and transported in the body.+ Show more

Learning Objectives

• Identify different types of electric motors and their basic principles
• Explain how electromagnetic induction allows generators to produce electricity
• Apply knowledge of motor and generator operation to real-world applications

Learning Objectives

• Define adaptive radiation and describe how a single ancestral lineage can diversify into multiple species.
• Explain the roles of ecological niches, key innovations, and selective pressures in driving diversification.
• Use evidence and models to describe how gene flow, genetic drift, and natural selection shape evolutionary patterns.

Learning Objectives

• Understand the concept of the Big Bang as the origin of the universe.
• Explore evidence supporting the expansion of the universe.
• Learn about the cosmic microwave background and its significance.+ Show more

Learning Objectives

• Understand the concept of energy profiles for chemical reactions.
• Identify exothermic and endothermic reactions from energy diagrams.
• Describe the significance of activation energy and transition states.+ Show more

Learning Objectives

• Use quantitative and qualitative criteria to compare competing engineering design solutions.
• Explain how life-cycle cost, manufacturability, and environmental impact affect design choices.
• Apply uncertainty and sensitivity reasoning when ranking alternatives using documented assumptions.+ Show more

Learning Objectives

• Explain how multiple molecular and cellular processes create heritable genetic variation.
• Describe how changes in DNA sequence and chromosome structure can affect gene expression and proteins.
• Connect individual genetic changes to population-level variation and shifts in allele frequencies.

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 the conservation of matter in chemical reactions
• Identify reactants and products in chemical equations
• Learn the importance of balancing chemical equations+ 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 modeling or prototyping creates tangible representations for testing.
• Identify types of evidence used to evaluate prototypes, such as performance metrics.
• Describe how evidence links observable results to success criteria in engineering design.+ Show more

Learning Objectives

• Explain how inherited traits are transmitted through genetic mechanisms.
• Describe the process of meiosis and how it contributes to genetic variation.
• Identify sources of genetic diversity such as chromosome combinations and mutations.+ Show more

Learning Objectives

• Understand the basic components of a lever
• Identify levers in everyday objects
• Explain how levers make work easier+ Show more

Learning Objectives

• Identify key ideas about risk–benefit thinking in biotechnology ethics.
• Use evidence from a passage to explain why ethical decisions depend on more than scientific claims.
• Practice evaluating genetic technologies by considering benefits, risks, and uncertainty.

Learning Objectives

• Explain how net force is found by vector addition of forces and how its direction relates to acceleration.
• Determine motion outcomes (accelerate, decelerate, or remain in equilibrium) using net force and friction/air resistance.
• Solve and interpret quantitative net force and acceleration relationships for real-world Alberta scenarios.

Learning Objectives

• Use kinematics, net-force reasoning, and energy ideas together to explain motion in Grade 9 physics problems.
• Connect free-body diagrams and force balances to acceleration and motion graphs.
• Apply energy and friction/grade effects to predict quantities such as stopping distance or speed.

Learning Objectives

• Understand the concepts of electric and magnetic fields and their vectors.
• Identify the use of field lines to represent magnetic and electric fields.
• Learn how charged particles move in magnetic fields and how forces affect their trajectories.+ Show more

Learning Objectives

• Differentiate heterogeneous mixtures from homogeneous solutions using the concepts of uniformity and separability.
• Identify solute, solvent, and explain how concentration relates to the amount of solute in a solution.
• Describe common separation methods based on physical properties (e.g., filtration, evaporation, distillation).

Learning Objectives

• Understand mechanisms of reproductive isolation that lead to speciation.
• Describe models of allopatric and sympatric speciation with examples.
• Explain the role of hybrid zones, polyploidy, and adaptive radiation in speciation.+ Show more

Learning Objectives

• Understand and identify key physical properties of minerals
• Develop observational skills to examine minerals accurately
• Apply knowledge of mineral properties to real-world examples+ Show more

Learning Objectives

• Explain how multiple lines of evidence support the idea of common ancestry and evolutionary change.
• Use anatomical, fossil, and molecular data to describe patterns of similarity and divergence among organisms.
• Interpret how shared traits and genetic information can indicate evolutionary relationships even when species look different.

Learning Objectives

• Explain how carbon moves among the atmosphere, biosphere, oceans, and geosphere through key fluxes.
• Describe major processes that exchange carbon (photosynthesis, respiration, dissolution, sedimentation, and fossil fuel formation).
• Interpret the idea of carbon residence time and why it matters for understanding budgets.+ Show more

Learning Objectives

• Understand the concept of physical changes and how they differ from chemical changes.
• Identify examples of physical changes such as melting and freezing.
• Describe the processes of melting and freezing in everyday life.+ Show more

Learning Objectives

• Understand the importance of proper device ratings for safe electrical systems.
• Identify safety measures necessary for residential wiring.
• Recognize different electrical device functions and appropriate protective measures.+ Show more

Learning Objectives

• Understand the concept of work as energy transfer due to force and distance
• Identify situations where work is done on an object
• Explain how work affects the kinetic energy of an object+ Show more

Learning Objectives

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

Learning Objectives

• Explain how runoff, erosion, transport, and deposition shape Earth’s surface.
• Interpret hydrologic evidence (discharge records, sediment load, and watershed maps) to support claims.
• Describe how hydrologic change can occur over short storm timescales and long landscape evolution timescales.+ Show more

Learning Objectives

• Understand how to interpret coefficient ratios in balanced chemical equations
• Relate chemical equation coefficients to quantities of reactants and products
• Apply proportional reasoning to real-world chemical problems involving mass

Learning Objectives

• Understand the concept of chemical reactions and how matter is conserved.
• Identify reactants and products in chemical equations.
• Recognize energy changes during chemical reactions, including exothermic and endothermic processes.+ Show more

Learning Objectives

• Describe the basic properties of Earth's magnetic field.
• Explain how a compass indicates direction based on Earth's magnetism.
• Identify regional variations in magnetic declination.+ Show more