Reading comprehension Worksheets

Learning Objectives

• Explain how pulmonary ventilation and cardiovascular transport work together to deliver oxygen and remove carbon dioxide.
• Describe how heart rate, stroke volume, and vascular resistance can change in response to respiratory and metabolic demands.
• Use chemoreceptor feedback to predict how changes in blood gases affect ventilation and circulation.+ Show more

Learning Objectives

• Explain how biodiversity includes species diversity and genetic variation within ecosystems.
• Describe how environmental and human-caused changes can alter population sizes and species interactions.
• Evaluate how changes in biodiversity can affect ecosystem stability and functions.

Learning Objectives

• Explain Newton’s three laws using force–motion relationships and real-world examples.
• Use Newton’s laws to predict and justify how changes in force affect acceleration and motion.
• Apply action–reaction reasoning to systems involving recoil and anchoring loads.+ Show more

Learning Objectives

• Explain how push and pull forces can change an object’s state of motion.
• Distinguish between contact forces and non-contact forces with real-life examples.
• Describe the relationship between net force and resulting acceleration in qualitative terms.

Learning Objectives

• Explain conservation of mass in a closed system using the idea that atoms are conserved during physical and chemical changes
• Predict whether measured mass before and after a reaction will be equal in a sealed container and justify the prediction
• Describe how reactants and products relate to mass in observable sealed-container situations

Learning Objectives

• Explain how tectonic stress and rock strength lead to sudden slip along faults during earthquakes.
• Compare normal, reverse, and strike-slip fault motion and connect each type to local stress regimes.
• Describe how earthquake waves travel through Earth and how depth, magnitude, and local geology affect intensity.+ Show more

Learning Objectives

• Identify the three main tectonic boundary types and describe the motion between tectonic plates at each one
• Explain how boundary types create characteristic landforms, volcanic activity, and earthquake patterns
• Use evidence from descriptions to determine which boundary type is most likely occurring

Learning Objectives

• Explain that energy can change forms through energy transformations while total energy is conserved.
• Identify common energy forms (mechanical, chemical, electrical, thermal) and trace how they transform in real systems.
• Use energy transformation ideas to interpret examples such as hydroelectric power, wind turbines, and fuel combustion.

Learning Objectives

• Explain how magma composition influences volcanic landforms (shield volcanoes vs. stratovolcanoes and deposits).
• Describe how eruption style affects what materials volcanoes produce (lava flows vs. pyroclastic deposits).
• Compare volcanic features formed at different tectonic settings, including subduction zones and hotspots.+ Show more

Learning Objectives

• Explain how human activities can alter ecosystems through habitat fragmentation, pollution, and invasive species.
• Describe how these changes can shift biodiversity, food-web structure (trophic structure), and ecosystem services over time.
• Evaluate mitigation and restoration strategies and predict how they may affect ecosystem recovery.

Learning Objectives

• Explain how anthropogenic pollutants enter aquatic and terrestrial ecosystems through different exposure pathways.
• Describe how pollution can affect organism health and disrupt food web integrity.
• Connect pollutant sources (nutrient runoff, hydrocarbons, airborne deposition) to measurable ecological changes.

Learning Objectives

• Define states of matter in terms of particle arrangement and particle motion (energy).
• Describe and distinguish phase changes: melting, freezing, vaporization, condensation, and sublimation.
• Explain how temperature and pressure affect phase transitions, including boiling point changes with atmospheric pressure.+ Show more

Learning Objectives

• Explain how diffusion occurs due to the continual motion of particles moving from higher concentration to lower concentration
• Distinguish mixing from diffusion and describe how mixing can occur without particles stopping or changing into new substances
• Predict how temperature affects the rate of diffusion using the particle model

Learning Objectives

• Compare mutualism, commensalism, and parasitism based on how both species are affected.
• Use ecological examples to explain how symbiosis influences population sizes and community structure.
• Describe how adaptations and coevolution can develop in species that interact over time.

Learning Objectives

• Identify major eukaryotic cell organelles (nucleus, mitochondria, chloroplasts, and cell membrane) and describe their primary functions.
• Explain how organelle specialization supports cell survival and contributes to tissue and organ performance in multicellular organisms.
• Connect cellular energy capture in producers (photosynthesis) versus consumers (cellular respiration) to larger-scale ecological interactions.

Learning Objectives

• Describe how simple machines change the size and/or direction of a force to make work easier.
• Explain mechanical advantage and connect it to the geometry of a machine.
• Identify and compare lever, pulley, wedge, screw, inclined plane, and wheel-and-axle in everyday contexts.+ Show more

Learning Objectives

• Define physical and chemical properties and explain how they help classify substances.
• Use quantitative observable criteria (e.g., density, solubility, hardness, conductivity, magnetism, flammability) to distinguish among elements, compounds, and mixtures.
• Apply property-based tests to identify practical examples of metals, dissolving substances, magnetic materials, and combustibility.

Learning Objectives

• Explain how organ structure and tissue types work together to carry out physiological functions (e.g., nutrient processing, gas exchange).
• Analyze how organ-level interfaces with the external environment support survival and reproduction across different environments in Alberta.
• Use examples from plant root systems and mammalian digestive organs to describe structure–function relationships, including vascularization and microbial interactions.

Learning Objectives

• Explain how scientific models are revised when new evidence conflicts with prior expectations
• Evaluate evidence quality using consistency, explanatory power, and predictive accuracy
• Distinguish evidence-driven model refinement from changes made without empirical support

Learning Objectives

• Explain how insulin and glucagon regulate blood glucose using negative feedback during fasting and after eating.
• Compare insulin and glucagon effects on the liver, muscle, and adipose tissue to maintain energy homeostasis.
• Use cause-and-effect reasoning to describe what happens to blood glucose when one hormone is increased or decreased.

Learning Objectives

• Explain trophic efficiency and how energy transfer between trophic levels is constrained by metabolic losses and heat dissipation.
• Use trophic efficiency to predict how energy availability affects biomass pyramids and the maximum number of trophic levels in an ecosystem.
• Analyze how differences in trophic efficiency among ecosystems can shape food web structure and predator abundance.

Learning Objectives

• Explain how energy enters ecosystems through sunlight and moves through trophic levels.
• Describe how energy transfer losses limit biomass and population sizes at higher trophic levels.
• Use food chains and food webs to interpret energy flow and ecosystem constraints.

Learning Objectives

• Compare photosynthesis and cellular respiration by tracing their inputs and outputs at the cellular level.
• Explain how carbon atoms and energy change forms as they move through autotrophs and heterotrophs.
• Use reaction and system-scale comparisons to interpret reciprocal relationships between processes.

Learning Objectives

• Explain how scale and models connect size, distance, and motion when studying space phenomena.
• Use astronomical units and light-years to compare distances within and beyond the solar system.
• Describe how angular size and apparent brightness help infer relative distance and intrinsic power.+ Show more

Learning Objectives

• Explain how current and conductor resistance contribute to power (energy) loss during electrical transmission.
• Describe how increasing transmission voltage helps reduce current and resistive losses over long distances.
• Evaluate trade-offs in transmission infrastructure, including insulation, transformer use, and grid reliability.

Learning Objectives

• Explain how proxy archives (tree rings, lake sediments, peat deposits) preserve evidence of past climate variability.
• Describe how scientists extract and validate temporal signals in proxy records.
• Interpret how proxy evidence can reconstruct past temperature, precipitation, and fire regimes.+ Show more

Learning Objectives

• Interpret chemical equations by identifying reactants, products, and the arrow that shows the reaction direction.
• Use coefficients and state symbols to explain relative amounts and physical phases in chemical reactions.
• Apply conservation of matter to predict what must be balanced in a chemical equation.+ Show more

Learning Objectives

• Explain how energy enters ecosystems through primary sources and moves through trophic levels.
• Describe how energy is lost at each transfer and how this limits food-web size and diversity.
• Connect the roles of producers, consumers, decomposers, and detritivores in energy and matter recycling.

Learning Objectives

• Explain how membrane-bound compartments and cytoplasm support cell functions and homeostasis.
• Describe the roles of the nucleus, mitochondria, and chloroplasts in maintaining cellular activity.
• Compare prokaryotic and eukaryotic cell organization and relate the differences to observable structures.

Learning Objectives

• Identify ecosystem components (producers, consumers, decomposers) and describe their trophic roles
• Explain abiotic factors and how climate shapes biome structure and community composition
• Model energy flow and matter cycling using examples such as food webs and energy pyramids+ Show more

Learning Objectives

• Explain how different pollutants change ecosystem chemistry and disrupt nutrient cycles.
• Describe how excess nutrients can lead to eutrophication, algal blooms, and oxygen loss in aquatic systems.
• Connect contaminant pathways and bioaccumulation to health effects in organisms and food webs.+ Show more

Learning Objectives

• Identify kinetic and potential energy and describe how mechanical energy changes form
• Explain how forces doing work can transfer energy from one object to another
• Describe how friction and air resistance convert some mechanical energy into thermal energy

Learning Objectives

• Explain how primary producers convert energy into organic matter and support food webs
• Describe factors that influence primary productivity, including light and soil nutrients
• Compare land producers (grasses, shrubs, boreal trees) and aquatic producers (algae) in Alberta food chains+ Show more

Learning Objectives

• Describe how electricity moves through generation, transmission, and distribution in an electric power grid
• Explain how voltage conversion and grid controls help reduce losses and keep supply and demand balanced
• Use examples from regional generation mixes (e.g., Alberta wind, hydro, and thermal) to discuss reliability and intermittency+ Show more

Learning Objectives

• Explain how human use of land, water, and air can change Earth systems.
• Describe cause-and-effect relationships between resource use and environmental outcomes.
• Use evidence from text to identify impacts of extraction, pollution, and land conversion.

Learning Objectives

• Explain how systems thinking identifies components, interactions, and boundaries in physical and ecological contexts
• Use box-and-arrow models and conservation statements to track energy or matter flow
• Interpret how perturbations change system outputs and describe emergent properties using evidence

Learning Objectives

• Explain how grounding, insulation, and overload protection reduce electrical shock and fire risks.
• Describe how protective devices and correct component specifications support safe system design.
• Analyze environmental implications of electricity generation and electrical infrastructure impacts.

Learning Objectives

• Explain how latitude affects the angle of incoming sunlight and why this changes climate.
• Describe how greenhouse gases, ocean currents, and atmospheric circulation influence regional climate.
• Use evidence from radiation and heat-transfer ideas to predict how changes in drivers can shift climate.

Learning Objectives

• Explain how mechanical energy shifts between gravitational potential energy and kinetic energy as an object moves up or down
• Use conservation of mechanical energy to predict how speed changes on a roller coaster track
• Distinguish gravitational potential energy from kinetic energy using height and motion

Learning Objectives

• Explain how mineral and energy resource assessment uses geological and geophysical evidence to estimate deposit size and quality.
• Differentiate measured reserves from inferred resources and describe why confidence levels differ.
• Evaluate how extraction methods and environmental constraints (waste, water demand, and greenhouse gases) affect project feasibility.+ Show more

Learning Objectives

• Explain how environmental pressures can change allele frequencies through differential survival and reproduction.
• Differentiate directional, stabilizing, and disruptive selection and predict how each affects trait distributions.
• Use examples like antibiotic resistance to connect genetic variation to observable evolutionary change.

Learning Objectives

• Explain radioactive decay, half-life, and activity using quantitative relationships.
• Apply conservation of nucleon number and charge to balance nuclear equations.
• Analyze nuclear reaction energetics using mass-energy concepts and interpret decay chains.

Learning Objectives

• Explain how genetic drift and selection can both change allele frequencies over generations.
• Use probability-based reasoning to predict changes in allele frequencies in small vs. large populations.
• Interpret statements about evolutionary mechanisms using population-level models.

Learning Objectives

• Explain how environmental monitoring networks are designed using representative sampling and appropriate sensor placement.
• Select indicators and justify temporal and spatial resolution for detecting long-term environmental trends.
• Apply quality assurance ideas to improve reliability and interpret results in the presence of spatial heterogeneity and human (anthropogenic) sources.

Learning Objectives

• Explain how energy is transferred and dissipated in oscillatory systems, including the role of damping.
• Analyze how resonance and driving frequency affect amplitude and energy flow in forced oscillations.
• Apply conservation of energy to systems with non-conservative forces such as friction and air resistance.

Learning Objectives

• Explain how organisms in an ecosystem depend on each other for resources and survival
• Describe how predators, prey, competition, and mutualism affect population sizes
• Predict how a change in one population can ripple through a community

Learning Objectives

• Explain how uneven heating of Earth drives rising and sinking air that forms global wind patterns.
• Describe how warm air and cool air differ in density and how that affects movement in the atmosphere.
• Connect atmospheric circulation to moisture transport and the development of storms.+ Show more

Learning Objectives

• Explain how lift, drag, and stability relate to aerodynamic design choices.
• Describe how changes in wing curvature, aspect ratio, and surface area can affect performance.
• Use real-world examples (kites and model gliders) to make predictions about aerodynamic outcomes.