Science Worksheets

Learning Objectives

• Explain how energy transfers through interconnected feeding relationships in a food web
• Identify direct and indirect effects when a population changes in an ecosystem
• Use trophic-level ideas to predict how changes can ripple to other organisms

Learning Objectives

• Explain cause-and-effect relationships between body systems during oxygen needs
• Describe how circulatory and respiratory systems support cellular metabolism
• Use terms from the passage to interpret how internal balance is maintained

Learning Objectives

• Explain how photosynthesis converts light energy into chemical energy stored in organic molecules
• Describe the roles of chlorophyll, electron transport, and ATP/NADPH in photosynthesis
• Connect photosynthesis to the cycling of carbon dioxide and oxygen in ecosystems+ Show more

Learning Objectives

• Explain how Earth’s axial tilt changes the angle of incoming sunlight and affects seasons.
• Describe how Earth’s yearly revolution around the Sun, combined with tilt, produces consistent seasonal patterns.
• Identify how seasonal changes in day length and sunlight intensity influence heating of land and water.

Learning Objectives

• Use proportional reasoning to interpret how population size and allele/trait frequencies change over generations
• Read and describe patterns in time-series graphs (increase, decrease, stabilization) and relate them to environmental influences
• Connect demographic factors (births, deaths, migration, genetic drift/selection) to changes in population dynamics

Learning Objectives

• Understand how human land use changes impact habitats and species.
• Identify different types of human activities that modify ecosystems.
• Analyze the effects of resource extraction and urban expansion on biodiversity.+ Show more

Learning Objectives

• Understand the concept of valence electrons in molecules.
• Explain how electron distribution influences molecular polarity.
• Differentiate between polar and nonpolar molecules using examples.+ Show more

Learning Objectives

• Identify different forms of energy such as mechanical, chemical, electrical, and thermal
• Understand how energy transforms from one form to another
• Recognize real-world examples of energy transformation+ Show more

Learning Objectives

• Understand different types of DNA mutations and their effects
• Identify various mutation types such as point mutations, insertions, deletions, and chromosomal alterations
• Explore how mutations contribute to genetic diversity and evolution+ Show more

Learning Objectives

• Understand how observations can be summarized and communicated scientifically.
• Learn methods for visualizing data with appropriate plots.
• Recognize the importance of citing data sources and labeling units.+ Show more

Learning Objectives

• Analyze how acid–base reactions and buffering influence environmental pH in Alberta contexts.
• Use stoichiometry and titration ideas to estimate neutralization requirements for contaminated water.
• Explain how dissociation and equilibrium affect remediation decisions and compliance targets.

Learning Objectives

• Identify reactants and products in chemical equations.
• Understand the importance of balancing chemical equations.
• Learn how coefficients affect the number of atoms and molecules.+ Show more

Learning Objectives

• Explain how energy transfer during phase changes affects particle motion and interactions without changing chemical identity.
• Describe why temperature can stay nearly constant during melting/freezing or boiling/condensation.
• Connect latent heat to the energy required to separate particles or form stronger attractions.+ Show more

Learning Objectives

• Explain how acceleration is related to net force and mass using Newton’s Second Law
• Determine the direction and magnitude of acceleration from multiple forces using vector sums
• Apply Newton’s Second Law to predict how changes in force or mass affect motion

Learning Objectives

• Understand the components of the global energy balance and their roles in climate variability.
• Interpret radiative flux diagrams and albedo maps to analyze Earth's energy system.
• Explain phenomena such as seasonal cycles and polar amplification through feedback mechanisms.+ Show more

Learning Objectives

• Explain how multiple simultaneous forces combine to create a net effect on an object’s motion.
• Use directional arrow ideas to determine whether forces add or cancel when they point the same or opposite directions.
• Compare qualitative force strengths to predict the dominant direction of motion.

Learning Objectives

• Understand how observational data reveals regularities and anomalies in climate and space phenomena.
• Learn methods for identifying temporal and spatial patterns in environmental data.
• Recognize the importance of data quality, sampling frequency, and statistical analysis in pattern detection.+ Show more

Learning Objectives

• Explain how gene expression involves transcription and translation to produce functional proteins.
• Describe how promoters, enhancers, and transcription factors regulate when and where genes are expressed.
• Analyze how epigenetic modifications and regulatory networks affect tissue specificity and timing of expression.+ Show more

Learning Objectives

• Understand the mechanisms linking oceanic and atmospheric variability, including phenomena like ENSO.
• Analyze how sea surface temperature anomalies influence atmospheric convection and climate patterns.
• Interpret time-series analyses, lag-correlation maps, and energy-budget perspectives related to ocean–atmosphere interactions.+ Show more

Learning Objectives

• Explain conservation of mass in chemical reactions using particle-level ideas.
• Describe how closed systems affect mass before and after a reaction.
• Use evidence from balanced equations and atom rearrangement to justify constant total mass.

Learning Objectives

• Explain how heritable variation and selective pressures lead to differential survival and reproduction in natural selection.
• Distinguish directional, stabilizing, and disruptive selection using fitness and allele-frequency ideas.
• Use examples such as finch beaks and antibiotic resistance to describe population-level adaptive change.

Learning Objectives

• Identify signs that indicate a physical change has occurred
• Differentiate between physical and chemical changes based on observable indicators
• Understand examples of physical changes in daily life

Learning Objectives

• Differentiate temperature from internal energy using particle motion and particle interactions.
• Explain that thermal energy transfer occurs from higher internal energy to lower internal energy.
• Use conservation of energy ideas to describe heat exchange between objects.+ Show more

Learning Objectives

• Explain how melting and freezing are changes of state caused by temperature changes.
• Describe how particles and matter behave during melting and during freezing using everyday observations.
• Use thermometer readings to determine the direction of temperature change and connect it to melting or freezing.

Learning Objectives

• Explain how neurons convert stimuli into electrical signals and transmit them through axons.
• Describe how myelination and synaptic vesicles improve the speed and reliability of neural signaling.
• Connect neuron networks to reflexes, voluntary movement, and gland secretion.

Learning Objectives

• Define iterative design and explain its importance in engineering.
• Identify the different stages in an iterative design cycle.
• Apply the concept of iterative design to real-world engineering problems.+ Show more

Learning Objectives

• Define keystone species and explain why their impact can be out of proportion to their abundance.
• Describe trophic cascades and how they affect populations, biodiversity, and habitat complexity.
• Use indicators of keystone status to predict ecosystem consequences and management needs.

Learning Objectives

• Describe the overall process of photosynthesis
• Identify the main components involved in light-dependent reactions
• Explain the function of the Calvin cycle in photosynthesis+ Show more

Learning Objectives

• Explain how assumptions and simplifications create limits in scientific models
• Interpret discrepancies between model predictions and observations as evidence for revising models
• Describe ways models can be revised using new parameters, missing processes, or changed structure

Learning Objectives

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

Learning Objectives

• Explain why safe tool use helps prevent injuries and protects materials.
• Identify safe workspace behaviors and correct tool handling practices.
• Use safety rules to choose appropriate actions when building or measuring.

Learning Objectives

• Use data and observations to support a scientific claim with specific references.
• Explain why evidence supports a claim using appropriate relationships and units.
• Evaluate alternative explanations by comparing which evidence fits best.

Learning Objectives

• Explain how scientific methods are iterative and how evidence can lead to revising a hypothesis
• Differentiate descriptive approaches from comparative approaches in scientific investigations
• Use operational definitions to connect hypotheses to measurable outcomes+ Show more

Learning Objectives

• Explain how cell culture, controlled differentiation, and scaffold interactions are used to guide tissue repair in biotech.
• Describe how molecular markers help track stem cell differentiation toward specific cell types.
• Evaluate ethical, safety, and regulatory trade-offs in therapies that manipulate cells and tissues.

Learning Objectives

• Explain how Kepler’s laws describe planetary motion using orbital period, eccentricity, and semi-major axis.
• Use Newtonian gravitation and central-force ideas to describe how speed changes along an orbit.
• Interpret orbital elements and Doppler-shift evidence as constraints on models of planetary motion.

Learning Objectives

• Understand the structure and function of mitochondria in energy production.
• Explain the process of cellular respiration and how ATP is generated.
• Identify the role of the electron transport chain and membrane gradients in energy synthesis.+ Show more

Learning Objectives

• Describe how rocks form, transform, and break down across geologic time within the rock cycle.
• Explain how plate tectonics control metamorphism, magma generation, and sedimentation.
• Use stratigraphic and tectonic ideas to trace material pathways and discuss residence time concepts.+ Show more

Learning Objectives

• Explain matter-wave duality and use the de Broglie relation to connect particle properties to wave behavior.
• Describe how wave-based interference and diffraction explain observed patterns for massive particles.
• Connect quantum wavefunctions to discrete atomic energy levels and spectral lines.+ Show more

Learning Objectives

• Describe the processes involved in hydrologic systems, including precipitation, infiltration, surface runoff, and groundwater flow.
• Explain the concepts of aquifer recharge and discharge, water-table fluctuation, and residence times in porous media.
• Analyze how fluxes are constrained by precipitation records, isotopic tracers, and stream-gauge data to assess freshwater availability.+ Show more

Learning Objectives

• Understand the concept of oxidation states in inorganic molecules
• Identify oxidation and reduction in chemical reactions
• Learn how to formulate half-reactions+ Show more

Learning Objectives

• Understand the concept of density as a ratio of mass to volume.
• Identify the behavior of materials with different densities in fluids.
• Calculate density using mass and volume measurements.+ Show more

Learning Objectives

• Explain how range, interquartile range (IQR), variance, and coefficient of variation (CV) measure variability and what each metric reveals.
• Use variability metrics to compare datasets, interpret overlapping distributions, and evaluate confidence in estimates.
• Connect quantified variability to sampling design, heterogeneity across groups, and expectations from theoretical models.

Learning Objectives

• Identify the major parts of a DNA nucleotide and explain why DNA is a polymer.
• Use base-pairing rules to describe how DNA stores information in sequence.
• Explain how DNA double-helix features support protein interactions.

Learning Objectives

• Explain how friction, wear, and deformation reduce a machine’s efficiency
• Distinguish ideal mechanical advantage from actual mechanical advantage
• Describe how material choice, lubrication, and surface finish affect performance and reliability

Learning Objectives

• Understand the concept of scale in astronomy using units like astronomical units, light-years, and planetary diameters.
• Interpret scaled diagrams and logarithmic representations of distances within the solar system and galaxy.
• Analyze orders of magnitude differences and how scale influences observational limits and apparent motion.

Learning Objectives

• Define what constraints are in the context of engineering design.
• Identify various constraints that influence design choices.
• Understand how trade-offs are made when constraints limit options.+ Show more

Learning Objectives

• Understand basic weather measurements such as temperature, humidity, wind, and pressure.
• Learn how weather data patterns can indicate atmospheric conditions.
• Recognize the relationship between atmospheric measurements and observable weather phenomena.+ Show more

Learning Objectives

• Explain how chemical formulas show the fixed ratios of elements in compounds
• Distinguish ionic and covalent bonding and relate them to observable properties
• Apply the law of definite composition to predict elemental mass relationships in a compound