Grade 10 Science Worksheets

Learning Objectives

• Explain how branching patterns in phylogenetic trees represent common ancestry and evolutionary divergence.
• Identify how synapomorphies, molecular sequences, and fossil placements support or challenge evolutionary hypotheses.
• Use evidence to interpret relationships and relative timing of splits in phylogenetic trees.+ Show more

Learning Objectives

• Explain how reproductive barriers reduce gene flow and can lead to speciation.
• Compare allopatric, sympatric, and parapatric speciation in terms of geographic/ecological context.
• Describe how genetic change (selection, drift, mutation) contributes to divergence over time.

Learning Objectives

• Explain what transitional fossils are and why they matter for understanding evolution.
• Identify anatomical features that show gradual change across major evolutionary groups.
• Describe how taphonomic bias and an incomplete fossil record can affect what we see in fossils.+ Show more

Learning Objectives

• Explain how ATP stores and releases usable energy through high-energy phosphate bonds and hydrolysis
• Describe how ATP couples exergonic and endergonic reactions during phosphorylation of substrates
• Compare how ATP is regenerated through oxidative phosphorylation and photophosphorylation

Learning Objectives

• Explain how allosteric regulation and feedback inhibition control metabolic pathway flux.
• Describe how covalent modification and cellular signaling can rapidly change enzyme activity.
• Compare hormonal regulation (insulin vs. glucagon) in regulating carbohydrate metabolism at the organism level.

Learning Objectives

• Explain how biodiversity supports ecosystem resilience and stability
• Describe how biodiversity contributes to ecosystem services such as pollination, nutrient cycling, and water purification
• Evaluate how habitat loss and species loss reduce ecological interactions and adaptive capacity+ Show more

Learning Objectives

• Explain how energy flows through trophic levels in a food chain and food web.
• Describe the role of primary producers, consumers, and decomposers in transferring matter and recycling nutrients.
• Analyze how changes in one species can create cascading effects in an ecosystem.

Learning Objectives

• Explain how human activities can alter ecosystems by changing habitat, pollution levels, and species interactions.
• Analyze how nutrient cycles and energy flows are affected by human-driven changes such as agriculture and climate change.
• Evaluate how invasive species, habitat fragmentation, and urbanization can reduce biodiversity and ecosystem resilience.

Learning Objectives

• Explain how microtubules, actin filaments, and intermediate filaments contribute to cell structure and function
• Describe how motor proteins use cytoskeletal tracks to move vesicles and support intracellular transport
• Connect cytoskeleton roles to cell movement, cytokinesis, and mitosis (organelle positioning and chromosome segregation)

Learning Objectives

• Identify and compare autocrine, paracrine, endocrine, and synaptic modes of intercellular communication
• Explain how receptor–ligand specificity enables cells to respond selectively to signals
• Describe how signal transduction cascades amplify cellular responses+ Show more

Learning Objectives

• Describe the components of DNA (nucleotide subunits, sugar-phosphate backbone, and nitrogenous bases).
• Explain how complementary base pairing (A–T and C–G) supports genetic information storage.
• Connect DNA structure to replication and RNA formation through base pairing.

Learning Objectives

• Explain how environmental chemical transformations (air, water, and soil) affect ecosystem health.
• Interpret reaction types and rate factors to predict pollution formation and breakdown.
• Use chemical pathway ideas (sources, transport, fate) to describe mass flow in real landscapes.

Learning Objectives

• Explain gas behavior using kinetic theory and particle motion.
• Apply pressure–volume–temperature relationships (Boyle’s, Charles’s, and Gay-Lussac’s laws) to real scenarios.
• Use partial pressures and deviations from ideality to interpret mixed gases and non-ideal behavior.

Learning Objectives

• Describe the main processes of the hydrologic cycle (evaporation, transpiration, condensation, precipitation, and runoff).
• Explain how seasonal storage in snowpack and groundwater affects streamflow and freshwater availability.
• Analyze how climate variability and watershed characteristics influence water security in river basins.

Learning Objectives

• Identify the geosphere, hydrosphere, atmosphere, and biosphere and describe basic properties of each.
• Explain how matter and energy move through sphere interactions using Alberta examples.
• Interpret how physical structure and processes create observable regional landscape and climate patterns.

Learning Objectives

• Explain how current, voltage, and resistance relate in a closed circuit
• Use Ohm’s law (V = I × R) to calculate missing circuit values
• Compare series and parallel circuits in terms of total current and voltage drops

Learning Objectives

• Explain how energy is converted and conserved across mechanical motion and electrical circuits in integrated systems.
• Analyze work-energy and kinematic relationships to predict changes in speed, height, or motion in real technologies.
• Use electromagnetic conversion ideas to trace energy flow from generators or motors to usable electrical power, including losses.

Learning Objectives

• Apply conservation of energy to systems that include friction, springs, and gravity
• Use quantitative relationships to calculate final speeds or heights after energy losses
• Identify when conservation of mechanical energy is valid and when non-conservative work must be included

Learning Objectives

• Explain how natural Earth processes create hazards and how human decisions can change risk.
• Compare multiple hazard-risk-reduction solutions by matching them to hazard type, exposure, and vulnerability.
• Evaluate tradeoffs among early warning, land-use planning, engineered barriers, and drought/flood management.

Learning Objectives

• Explain how the direction of net force determines the direction of acceleration
• Use vector addition to predict how multiple forces combine into a single net effect
• Relate force diagrams to observed changes in velocity, including speeding up, slowing down, and turning

Learning Objectives

• Explain chemical reaction outcomes using an atomic-level model that focuses on rearrangement of atoms.
• Connect conservation of atoms to evidence for balanced chemical reactions.
• Use electron structure and bonding ideas to predict how reactants form new product combinations.

Learning Objectives

• Explain how atmospheric structure, pressure systems, and circulation cells influence weather and regional climate.
• Interpret pressure-surface, wind-field, and hypsometric representations to reason about fronts, storm tracks, and vertical stability.
• Use thermodynamic and moisture ideas (temperature profiles, dew point, lapse rates, condensation) to predict precipitation patterns.

Learning Objectives

• Explain how genetic differences among individuals create variation in traits that can be passed to offspring.
• Describe how heritable traits influence survival and reproduction in different environments.
• Distinguish between sources of variation (genetic and environmental) and their roles in natural selection.+ Show more

Learning Objectives

• Explain how homologous structures provide evidence of shared ancestry between organisms
• Identify examples of homology in anatomy, development, and molecular features
• Distinguish homology from similarity due to convergent evolution+ Show more

Learning Objectives

• Explain how natural selection changes the frequency of traits in a population over generations.
• Distinguish individual survival traits from population-level adaptation outcomes.
• Use evidence and examples to describe selective pressures and differential reproductive success.

Learning Objectives

• Differentiate between measurable criteria and constraints in engineering and science design problems.
• Translate broad goals into observable, testable requirements using units, thresholds, and acceptance limits.
• Evaluate design choices to ensure optimization targets the correct criteria rather than irrelevant features.

Learning Objectives

• Explain how Earth’s geosphere, hydrosphere, atmosphere, and biosphere interact to cycle matter and transform energy.
• Describe how the water cycle and atmospheric circulation distribute solar energy and redistribute water across Earth.
• Explain how internal heat drives plate tectonics and volcanism, connecting Earth’s interior processes to surface changes.+ Show more

Learning Objectives

• Explain how relative dating methods (superposition, cross-cutting relationships, and unconformities) help order geologic events.
• Use the fossil record and index fossils to interpret relative geologic time.
• Describe how major Earth-system changes and mass extinctions can be inferred from the rock record.

Learning Objectives

• Explain how gravity and motion combine to produce stable orbital paths
• Interpret how distance and speed change in elliptical orbits
• Use gravitational interactions to describe real-world effects such as tides+ Show more

Learning Objectives

• Explain how a star’s mass influences its lifecycle stages
• Describe how fusion powers main-sequence stars and how changing fuel leads to later phases
• Compare the outcomes of lower-mass and high-mass stars (red giants, planetary nebulae, supernovae, and remnants)+ Show more

Learning Objectives

• Explain chemical reactions using the conservation of atoms and balanced chemical equations as particle models
• Interpret conservation of mass by accounting for what is inside a system boundary
• Use evidence from reaction products and reactants to predict whether atoms are conserved

Learning Objectives

• Explain how net force affects motion, including the relationship between balanced forces and constant velocity
• Predict changes in acceleration using proportionality to net force and inverse proportionality to mass
• Use free-body diagrams to identify forces and determine the likely direction of motion or acceleration

Learning Objectives

• Explain how reaction energy changes from reactants to products and distinguish endothermic and exothermic reactions.
• Use energy profiles to interpret bond breaking, bond forming, and overall energy change.
• Describe the role of activation energy and connect it to the energy barrier between reactants and products.

Learning Objectives

• Explain how chromosomes are transmitted from parents to offspring and how this affects allele distribution.
• Describe the relationship between gene loci on chromosomes and observed inheritance patterns.
• Use dominance and gene combinations to predict potential offspring phenotypes.

Learning Objectives

• Explain how competition, predation, parasitism, and mutualism affect survival and reproduction of organisms.
• Analyze how changes in biotic interactions can alter population sizes and community composition.
• Describe how community interactions can cause cascading effects across a food web and influence ecosystem resilience.

Learning Objectives

• Explain how fossil records provide evidence for evolutionary change over geologic time.
• Use comparative anatomy and biogeography to infer relationships among species.
• Describe how DNA sequence comparisons support common ancestry.+ Show more

Learning Objectives

• Explain how membrane-bound organelles contribute to overall cell function and homeostasis.
• Compare the roles of the nucleus, mitochondria, chloroplasts, ER, Golgi apparatus, and ribosomes.
• Describe how organelles coordinate to respond to internal and external conditions.

Learning Objectives

• Distinguish between position, displacement, speed, and velocity and explain how scalar/vector ideas apply to motion.
• Use time intervals and reference frames to interpret numerical motion values and motion graphs.
• Apply constant-acceleration relationships to predict future motion and explain acceleration using kinematic descriptions.+ Show more

Learning Objectives

• Identify and describe major forms of energy (kinetic, potential, thermal, chemical, radiant, and nuclear) and where they are found.
• Explain how energy transfers and transforms during common real-world processes such as heating, movement, and respiration.
• Use energy form reasoning to interpret questions about stored energy, energy in motion, and energy release.

Learning Objectives

• Explain how heat energy transfers through conduction, convection, and radiation
• Predict how material properties and surface area affect the rate of heat transfer
• Analyze real-world situations involving thermal equilibrium and temperature change

Learning Objectives

• Explain how light reactions convert photon energy into ATP and NADPH while producing oxygen
• Describe how the Calvin cycle uses ATP and NADPH to fix carbon dioxide into three-carbon sugars
• Compare how pigment absorption and reaction location affect photosynthesis efficiency

Learning Objectives

• Define carrying capacity and explain why it is context-dependent
• Identify factors that increase or decrease carrying capacity in real ecosystems
• Use population dynamics ideas (overshoot, crash, oscillation) to predict outcomes+ Show more

Learning Objectives

• Explain how ecosystems include living organisms and nonliving physical components that interact
• Differentiate producers, consumers, and decomposers and describe their roles in nutrient and energy flow
• Analyze how climate and habitat structure affect species distributions and population support+ Show more

Learning Objectives

• Explain how organelle composition varies across specialized cell types and how that supports specific functions
• Use examples (muscle, secretory cells, red blood cells) to connect cellular structure to organism-level outcomes
• Describe how specialized cells work together to form tissues and contribute to organ system functions

Learning Objectives

• Explain how promoters, enhancers, and transcription factors regulate transcription initiation and the activity of RNA polymerase.
• Describe how alternative splicing and RNA interference change the final mRNA (and thus protein) outcomes after transcription.
• Compare how DNA methylation and histone modifications affect chromatin accessibility and long-term gene expression.+ Show more

Learning Objectives

• Explain how different types of genetic mutations change nucleotide sequences
• Predict how mutations can alter gene expression and protein structure or function
• Connect mutation types to possible effects on traits, disorders, and fitness

Learning Objectives

• Explain how temperature, concentration, surface area, and catalysts affect reaction rates using collision theory and activation energy.
• Interpret qualitative cause-and-effect relationships between rate factors and observable real-world changes.
• Apply rate-factor concepts to describe how industrial and environmental conditions can speed up or slow down chemical reactions.

Learning Objectives

• Explain how Earth’s tilt and orbital motion change the solar angle and day length across seasons.
• Describe how daily and seasonal solar irradiance patterns influence temperature, weather, and climate processes.
• Connect solar forcing to circulation patterns and to observable Alberta phenomena such as prairie and alpine daylight variation.