Grade 9 Science Worksheets

Learning Objectives

• Describe how to relate acceleration to velocity-time graphs for braking scenarios.
• Use net-force reasoning to connect forces to changes in motion.
• Apply the work-energy idea to predict how stopping distance changes with slope and friction.

Learning Objectives

• Explain how solar energy enters Earth's atmosphere
• Describe the processes by which Earth loses energy
• Identify the factors affecting Earth's surface temperatures+ Show more

Learning Objectives

• Identify different types of constraints relevant to engineering challenges.
• Analyze how social, environmental, and economic factors influence project planning.
• Participate in problem framing by prioritizing functional requirements and constraints.+ Show more

Learning Objectives

• Explain how incoming solar radiation and outgoing infrared radiation drive Earth’s energy cycle.
• Describe how energy moves among the atmosphere, hydrosphere, geosphere, and biosphere.
• Compare radiation, conduction, convection, and latent heat as mechanisms of energy transfer.+ Show more

Learning Objectives

• Understand how insulin and glucagon regulate blood glucose levels.
• Describe the role of pancreatic hormones in metabolic homeostasis.
• Explain the interplay between liver, muscle, and adipose tissues in glucose regulation.+ Show more

Learning Objectives

• Understand the difference between weather and climate.
• Identify factors that influence long-term climate patterns.
• Explain how latitude and atmospheric circulation affect climate.+ Show more

Learning Objectives

• Explain how Earth's axial tilt and orbital eccentricity influence seasons and climate patterns.
• Describe the lunar phases and their predictable cycle.
• Understand how gravitational forces between Earth, Moon, and Sun create tides.+ Show more

Learning Objectives

• Identify different lines of evidence supporting evolutionary history.
• Understand how fossil, anatomical, and molecular evidence contribute to the study of evolution.
• Analyze how multiple evidence types reinforce scientific conclusions about population changes over time.

Learning Objectives

• Define electric current, voltage, and resistance using correct SI units and symbols
• Compare typical magnitudes of current, voltage, and resistance in household and farm equipment contexts
• Use relationships between voltage, current, and resistance to interpret measurements and select appropriate components

Learning Objectives

• Determine genotypes and phenotypes from monohybrid Punnett squares
• Predict genotype and phenotype ratios for dihybrid crosses
• Interpret pedigrees to identify inheritance patterns and carrier genotypes+ Show more

Learning Objectives

• Explain how DNA, RNA, and protein sequence comparisons can reveal evolutionary relationships.
• Describe how molecular clocks use sequence divergence rates to estimate divergence times.
• Evaluate how comparative genomics and gene duplication patterns complement fossil and morphological evidence.

Learning Objectives

• Explain how mechanical energy changes between kinetic and potential forms through work interactions
• Describe how non-conservative forces like friction convert mechanical energy into thermal energy
• Use energy bookkeeping to predict feasible speeds and heights for real situations+ Show more

Learning Objectives

• Distinguish when to use mean, median, and mode as measures of central tendency in different data contexts
• Explain how skewness, outliers, and multimodal distributions affect each central tendency measure
• Connect assumptions about an underlying data-generating process to the choice of a summary statistic+ Show more

Learning Objectives

• Distinguish systematic error from random error and identify how each affects measurements.
• Recognize common sources of error, including instrument bias, sampling limitations, confounding, and model mis-specification.
• Use evidence such as residual patterns, cross-method comparisons, and sensitivity analyses to detect bias.+ Show more

Learning Objectives

• Analyze spatial and temporal climate datasets to identify trends and anomalies in temperature, precipitation, and drought indices
• Use statistical trend ideas to distinguish long-term change from internal climate variability
• Interpret potential climate drivers by comparing observations with greenhouse gas and volcanic forcing evidence

Learning Objectives

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

Learning Objectives

• Explain the mechanism of natural selection and how it leads to genetic change in populations.
• Identify examples of natural selection such as beak morphology shifts and bacterial antibiotic resistance.
• Describe the role of genetic variation, inheritance, and environmental pressures in evolution.+ Show more

Learning Objectives

• Calculate velocity using constant-acceleration kinematic equations
• Select equations based on known variables and units
• Apply sign conventions to one-dimensional vertical free-fall+ Show more

Learning Objectives

• Explain hierarchical levels of organization from cells to systems using correct scientific vocabulary.
• Describe how cell specialization and extracellular matrices contribute to emergent organ functions.
• Interpret how tissue arrangement and transport at interfaces affect physiological capacity and constraints.

Learning Objectives

• Explain the components of trophic structure, including producers, consumers, and decomposers.
• Describe the roles of food chains and food webs in illustrating energy flow.
• Analyze how trophic efficiency influences biomass and ecosystem productivity.+ Show more

Learning Objectives

• Explain Newton’s Third Law using the idea of action–reaction pairs that act on different objects
• Identify forces in a scenario and determine the direction and relative size of the matching third-law force
• Predict how force pairs affect the motion of each object involved+ Show more

Learning Objectives

• Explain the relationship between net force, mass, and acceleration
• Distinguish mass from weight in force and acceleration contexts
• Calculate acceleration from net force and mass+ Show more

Learning Objectives

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

Learning Objectives

• Explain how magnets and moving electric charges create magnetic fields
• Use field line orientation to predict force direction on magnetic materials
• Relate current direction in a wire to magnetic field direction using right-hand rules

Learning Objectives

• Understand the fundamental principles of optical and electron microscopy.
• Identify differences between magnification, resolution, and contrast in microscopes.
• Explain how image interpretation depends on scale bars, staining, and sample preparation.+ Show more

Learning Objectives

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

Learning Objectives

• Identify common sources of random and systematic error in scientific investigations.
• Distinguish between confounding and model mis-specification, and explain how each can affect results.
• Use evidence from cross-method comparisons, residual patterns, and sensitivity analyses to evaluate bias.+ Show more

Learning Objectives

• Explain the purpose of assessing model-data fit in scientific analysis.
• Identify graphical and quantitative methods used to evaluate the consistency between models and observations.
• Interpret residual plots and goodness-of-fit measures to diagnose potential issues in models.+ Show more

Learning Objectives

• Explain the interactions among the geosphere, hydrosphere, atmosphere, and biosphere using conceptual models.
• Identify key processes such as riverine nutrient transport, soil-atmosphere gas fluxes, and ocean upwelling effects.
• Understand how spatial schematics and mass-balance thinking help interpret environmental system feedbacks.+ Show more

Learning Objectives

• Explain the basic principles of orbital motion
• Describe how gravity influences planetary and satellite trajectories
• Interpret Kepler's laws and Newton's law of universal gravitation+ Show more

Learning Objectives

• Understand the basic concepts of Earth's orbital variations.
• Learn how Milankovitch cycles influence Earth's climate over long timescales.
• Identify the three main components of Milankovitch cycles: eccentricity, axial tilt, and precession.

Learning Objectives

• Explain how eccentricity, axial tilt, and precession affect seasonal insolation patterns.
• Describe tidal forcing by the Moon and Sun using ideas of gravitational gradients and relative geometry.
• Connect tidal locking, resonance, and observational effects such as day length and tidal range.

Learning Objectives

• Understand the components that make up an ecosystem.
• Recognize how disturbances can alter ecosystem stability.
• Learn about factors that influence ecosystems' ability to recover.+ Show more

Learning Objectives

• Explain how Earth's eccentricity influences seasonal weather patterns.
• Identify the effects of axial tilt on the distribution of sunlight during different seasons.
• Describe the concept of precession and its impact on long-term climate variability.+ Show more

Learning Objectives

• Describe how the heart and lungs coordinate to deliver oxygen and remove carbon dioxide.
• Explain the roles of pulmonary ventilation and cardiovascular transport in cellular respiration.
• Identify how heart rate, stroke volume, and vascular resistance respond to respiratory and metabolic demands.+ Show more

Learning Objectives

• Explain what homeostasis is and identify regulated variables and set points.
• Describe how negative feedback mechanisms reduce deviations and restore balance.
• Apply homeostasis feedback ideas to real-life examples (temperature, blood glucose, oxygen delivery).

Learning Objectives

• Understand the structure and function of the nephron and glomerulus
• Explain the processes of blood filtration, reabsorption, secretion, and urine concentration
• Describe how the kidney regulates electrolytes, pH, and blood pressure+ Show more

Learning Objectives

• Describe observational evidence supporting the expanding universe
• Explain the significance of cosmic microwave background measurements
• Understand how redshift surveys relate to galaxy motion+ Show more

Learning Objectives

• Explain how enzymes lower activation energy to increase reaction rates
• Describe how enzyme structure, active sites, and induced fit support substrate specificity
• Compare the roles of cofactors and coenzymes in enzyme-catalyzed reactions+ Show more

Learning Objectives

• Understand the different types of magmatic systems and eruptive styles.
• Explain how compositional controls influence volcanic gas emissions and landscape modifications.
• Differentiate between effusive shield volcanism and explosive stratovolcano behavior based on magma viscosity and volatile content.+ Show more

Learning Objectives

• Explain the process of pulmonary gas exchange at the alveolar–capillary interface.
• Describe how partial pressures, surface area, and membrane thickness influence diffusion of gases.
• Identify factors affecting oxygen uptake and carbon dioxide removal, including haemoglobin affinity and perfusion.+ Show more

Learning Objectives

• Understand the concepts of kinetic and potential energy
• Learn how energy transforms and conserves in mechanical systems
• Identify examples of energy transfer such as in pendulums and roller coasters+ Show more

Learning Objectives

• Understand the concept of significant figures and their importance in measurements
• Identify significant figures in various measurement readings
• Learn how to convert measurement units accurately+ Show more

Learning Objectives

• Understand the mechanisms of asexual reproduction such as binary fission, budding, spore formation, and vegetative propagation.
• Identify examples of asexual reproduction in Alberta's flora and fauna.
• Explain the genetic and ecological advantages and disadvantages of asexual reproduction.+ Show more

Learning Objectives

• Describe the three main states of matter: solid, liquid, and gas, and their key properties.
• Explain the processes of phase transitions such as melting, freezing, evaporation, condensation, and sublimation.
• Link energy changes to phase transitions and understand environmental influences on states of matter.

Learning Objectives

• Explain how inertia affects whether the motion of an object changes when forces are applied
• Use Newton’s second law to predict how acceleration changes with net force and mass
• Apply Newton’s third law to real situations involving recoil and anchored objects+ Show more

Learning Objectives

• Define evolution in terms of changes to heritable traits over generations.
• Identify key vocabulary related to evolution: allele, population, selection, drift, mutation, gene flow.
• Explain, using evidence from a text, how allele frequencies can change over time.

Learning Objectives

• Explain how forces change an object’s state of motion using acceleration and velocity ideas
• Classify forces as contact forces or field forces and give relevant examples
• Use vector thinking to describe force magnitude and direction, including the idea of net force