Science Worksheets

Learning Objectives

• Explain how homeostatic feedback loops maintain internal stability using sensors, control centers, and effectors.
• Differentiate negative feedback from positive feedback and predict their overall effects on a body variable.
• Describe how signaling pathways and transport processes help transmit information and coordinate responses across tissues.

Learning Objectives

• Explain how ethical scientific communication requires complete disclosure of methods, limitations, and uncertainty
• Interpret graphs and other representations in ways that remain understandable under scrutiny
• Evaluate how data quality and uncertainties affect the strength of scientific conclusions+ Show more

Learning Objectives

• Explain diurnal rising and setting as apparent motion caused by Earth’s rotation
• Describe how Earth’s orbit around the Sun leads to apparent changes in the Sun’s position over a year
• Use the celestial sphere and horizon concepts to interpret the apparent paths of visible stars

Learning Objectives

• Describe physical properties of materials using observation terms such as color, texture, transparency, and flexibility.
• Distinguish between measurable physical properties and properties identified through careful observation.
• Use physical properties to classify materials and predict how they behave in everyday situations.

Learning Objectives

• Explain how the nervous and endocrine systems work together to maintain homeostasis.
• Compare the roles of neural signaling and hormonal signaling in short-term and long-term responses.
• Describe how feedback loops can adjust signaling to keep internal conditions stable.

Learning Objectives

• Identify reversible phase changes and describe how temperature changes can reverse them.
• Match common phase-change processes to the correct direction (melting/freezing, evaporation/condensation).
• Explain why reversible phase changes usually do not create a new material.

Learning Objectives

• Understand how measurement tools have resolution limits affecting data accuracy.
• Explain the concept of uncertainty in repeated measurements and data interpretation.
• Interpret graphs and tables that include ranges or error estimates to evaluate data significance.+ Show more

Learning Objectives

• Explain how crossing over during prophase I creates new allele combinations.
• Describe how independent assortment during metaphase I reshuffles genetic material among gametes.
• Distinguish reductional segregation from equational segregation across meiosis I and meiosis II.+ Show more

Learning Objectives

• Explain how cell membranes enable selective transport through diffusion and transport proteins
• Describe how organelles support compartmentalized metabolism and efficient cellular reactions
• Interpret how the cytoskeleton provides structural support and enables internal transport+ Show more

Learning Objectives

• Distinguish between physical and chemical properties of materials using quantitative and qualitative descriptors.
• Identify examples of properties such as density, melting point, solubility, electrical conductivity, reactivity, and flammability.
• Analyze property data to support material identification and separation strategies.+ Show more

Learning Objectives

• Understand the subatomic components of atoms and their roles.
• Explain how emission spectra and mass spectrometry support discrete energy levels.
• Describe quantum numbers and orbital models for electron distribution.+ Show more

Learning Objectives

• Describe how flowers, cones, seeds, and vegetative propagation help plants reproduce.
• Explain how seed dispersal mechanisms (wind, animals, gravity) affect where plants grow.
• Compare examples of reproductive adaptations in Alberta (e.g., lodgepole pine cones and aspen root suckering) and relate them to survival after disturbance.

Learning Objectives

• Explain how net force acting over a short time during a collision changes an object’s velocity and momentum.
• Use the impulse concept (force–time area) to relate the collision interaction to changes in momentum before and after contact.
• Interpret rebound and separation outcomes using the direction and timing of net forces during collisions.

Learning Objectives

• Understand the basic concepts of radiometric dating
• Identify different isotope systems used in dating
• Recognize factors affecting the accuracy of radiometric ages+ Show more

Learning Objectives

• Understand molecular orbital theory and how it extends valence-bond descriptions.
• Identify concepts of bonding order, delocalization, and electronic structure in diatomic systems.
• Interpret energy-level diagrams and symmetry considerations to predict magnetic behavior and bond strength.+ Show more

Learning Objectives

• Define trophic levels and understand their roles in ecosystems
• Explain the concept of energy transfer between trophic levels
• Describe why energy diminishes at higher trophic levels+ Show more

Learning Objectives

• Understand the fundamental principles of ionic bonding and lattice formation.
• Identify the role of electrostatic forces between ions in ionic solids.
• Explain how lattice energy influences the stability of ionic compounds.+ Show more

Learning Objectives

• Evaluate tradeoffs among freshwater sources and treatment options using cost, reliability, energy use, water quality, and environmental impacts.
• Identify constraints that affect water system design, such as infrastructure limits, pollution risk, and altered flow patterns.
• Explain how designs can reduce risk from scarcity and contamination while supporting long-term sustainability.

Learning Objectives

• Draw Lewis structures showing valence electrons, bonding pairs, and lone pairs for common molecules.
• Use formal charge to select the most likely Lewis structure and minimize overall charge.
• Identify when resonance structures are needed to represent electron delocalization.+ Show more

Learning Objectives

• Understand the relationship between voltage, current, and power in resistive circuits
• Calculate power dissipation in resistive elements
• Analyze power delivery from electrical sources including internal resistance effects+ Show more

Learning Objectives

• Analyze test data and parameters to refine and improve design solutions.
• Use quantitative comparisons to evaluate design modifications.
• Apply iterative adjustment techniques based on performance data.+ Show more

Learning Objectives

• Explain how collision frequency, collision orientation, and activation energy influence reaction rates.
• Describe how temperature and catalysts can change reaction rates.
• Interpret concentration-versus-time graphs and use qualitative reasoning to infer reaction order.

Learning Objectives

• Use significant figures, correct units, and consistent terminology to report scientific measurements clearly and precisely.
• Evaluate whether a scientific claim is reproducible by checking evidence presentation (tables, graphs, labeled diagrams) and methodological detail.
• Choose and apply appropriate communication conventions to reduce ambiguity in laboratory and data-based scientific communication.

Learning Objectives

• Explain static equilibrium using the conditions ΣF = 0 and (when applicable) ΣM = 0 for rigid bodies
• Interpret equilibrium as having zero net acceleration, not as the absence of individual forces
• Apply equilibrium ideas to support reactions, suspended loads, and tensions in simple string/pulley setups

Learning Objectives

• Draw and interpret free-body diagrams by identifying all forces acting on an isolated object
• Apply force-vector conventions (direction, labeled forces, points of application, and coordinate axes)
• Differentiate equilibrium from acceleration using net force and Newton’s second law+ Show more

Learning Objectives

• Identify observable indicators that a chemical reaction has formed a new substance.
• Explain how chemical evidence suggests changes in composition rather than temporary mixing.
• Use examples (such as rusting and burning) to connect evidence to particle-level rearrangements.

Learning Objectives

• Understand the purpose and types of models used in scientific and engineering contexts
• Interpret system diagrams that represent physical systems under constraints
• Identify the role of scaling relationships and physics-based models in predicting outcomes+ Show more

Learning Objectives

• Explain how grounding, overcurrent protection, and insulation work together to reduce electrical hazards.
• Interpret common device labels and identify what information matters for safe installation.
• Describe how environmental conditions (moisture, temperature, outdoor exposure) affect electrical safety requirements.

Learning Objectives

• Interpret graph axes, units, and scales to accurately understand scientific data
• Distinguish random scatter from meaningful trends and justify conclusions using visual evidence
• Evaluate how slope, intercepts, and curvature relate to the scientific claims being tested+ Show more

Learning Objectives

• Explain how an inclined plane changes gravity into components parallel and perpendicular to the surface.
• Predict how friction and slope angle affect acceleration down an incline.
• Relate mechanical advantage to the tradeoff between force and distance using work ideas.

Learning Objectives

• Understand the hierarchy of biological organization from molecules to organisms.
• Identify key characteristics and functions at each level of organization.
• Explain how emergent properties develop at higher levels from lower levels.+ Show more

Learning Objectives

• Understand the concept of simple harmonic motion and the role of restoring forces.
• Identify and explain properties of waves such as wavelength, frequency, period, and speed.
• Differentiate between transverse and longitudinal waves and their propagation characteristics.+ Show more

Learning Objectives

• Understand the distinction between independent, dependent, and controlled variables in scientific experiments.
• Recognize how operational definitions and boundary conditions influence measurement and observation.
• Identify criteria for selecting variables that help isolate causal relationships.+ Show more

Learning Objectives

• Explain how reproductive isolation prevents gene flow and leads to distinct lineages over time
• Compare allopatric, sympatric, and peripatric speciation and identify the main drivers of each mode
• Use examples to connect barriers, divergent selection, and founder events to genetic and reproductive boundaries

Learning Objectives

• Interpret the sign of acceleration and relate it to changes in velocity (speeding up, slowing down, or reversing direction).
• Use velocity-time and position-time graph features (slope, curvature) to reason about acceleration qualitatively.
• Explain acceleration trends using consistent sign conventions and connect them to observed motion outcomes.

Learning Objectives

• Understand the importance of formulating testable questions in scientific investigations
• Identify and define key variables: independent, dependent, and controlled
• Distinguish between baseline conditions, control treatments, and ethical considerations+ Show more

Learning Objectives

• Explain how cells obtain and use energy for biological functions.
• Describe the process of cellular respiration and its role in energy production.
• Understand how photosynthesis captures light energy to produce sugars and oxygen.+ Show more

Learning Objectives

• Explain how density helps predict whether an object will sink or float in a fluid.
• Use comparisons of object density and fluid density to justify buoyant behavior.
• Describe how buoyant force relates to displaced fluid and forces acting on objects.

Learning Objectives

• Understand the concept of linear momentum as a vector quantity.
• Explain how momentum is conserved in isolated systems.
• Define impulse as the time integral of force and its relation to change in momentum.+ Show more

Learning Objectives

• Understand how gene regulation influences cell specialization in multicellular organisms.
• Identify different mechanisms by which genes are turned on or off during development.
• Explain the importance of timing and intensity of gene expression in cellular functions.+ Show more

Learning Objectives

• Explain how plate tectonics can cause rapid geologic hazards such as earthquakes and volcanic eruptions
• Describe how weathering, erosion, and deposition reshape Earth’s surface over longer timescales
• Use evidence (fault features, lava flows, ash layers, sediment layers) to connect geologic processes to landforms+ Show more

Learning Objectives

• Explain how hydrogen bonding forms between a hydrogen atom and a lone pair on an acceptor atom
• Describe how hydrogen bonding affects physical properties such as melting and boiling points
• Analyze the role of hydrogen bonding in water structure, ice formation, and biological/industrial materials

Learning Objectives

• Explain how net force (vector sum of forces) relates to acceleration and changes in motion
• Determine whether motion stays constant or speeds up/slows down based on balanced vs. unbalanced forces
• Use force directions and vector ideas to predict the direction of acceleration+ Show more

Learning Objectives

• Understand different forms of energy including kinetic, potential, elastic, thermal, chemical, and electrical.
• Recognize common transformations among energy types in everyday situations.
• Apply basic equations to compare kinetic and potential energy qualitatively.+ Show more

Learning Objectives

• Define gene expression and describe its significance in living organisms.
• Identify key elements involved in transcription regulation such as promoters, enhancers, and repressors.
• Explain processes like post-transcriptional modifications, including alternative splicing and RNA interference.+ Show more

Learning Objectives

• Understand the importance of wetlands for biodiversity
• Learn management strategies like wetland restoration and habitat corridors
• Evaluate benefits and potential unintended consequences of conservation methods+ Show more

Learning Objectives

• Organize data using tables and graphs to look for patterns.
• Use evidence from multiple data points to support a claim.
• Explain relationships between variables using trends rather than single results.

Learning Objectives

• Explain how births, deaths, immigration, and emigration change population size over time.
• Describe limiting factors and how competition for resources affects population growth.
• Use predator–prey relationships and resource availability to interpret changes in population size.+ Show more