Science Worksheets

Learning Objectives

• Explain how xylem transports water and minerals through stems
• Explain how phloem transports sugars through stems
• Compare how environmental stressors affect stem transport+ Show more

Learning Objectives

• Interpret chemical names and formulas to identify elements and compounds.
• Identify elements and compounds using particle models.
• Predict combining ratios using the charges of ions.+ Show more

Learning Objectives

• Calculate fluid density using given mass and volume measurements.
• Explain floating and sinking using differences in density.
• Compare the viscosity of different liquids.+ Show more

Learning Objectives

• Identify energy transformations in chemical cells, motors and generators.
• Compare energy inputs and useful outputs in electrical technologies.
• Explain unwanted energy transfers using evidence from technological examples.+ Show more

Learning Objectives

• Compare evidence from monitoring, research collaborations, and climate models
• Distinguish observations from model projections and exact predictions
• Identify assumptions and uncertainty within climate evidence+ Show more

Learning Objectives

• Calculate buffer relationships using the Henderson-Hasselbalch equation
• Relate pH and pKa to conjugate base-to-acid ratios
• Explain how buffer composition produces predictable pH changes+ Show more

Learning Objectives

• Select indicators whose transition ranges fit titration endpoints
• Compare indicator choices across three acid-base titration types
• Interpret indicator suitability from steep titration-curve pH changes+ Show more

Learning Objectives

• Identify testable questions in experimental investigations
• Distinguish changed variables from measured outcomes
• Identify controls used to create fair comparisons+ Show more

Learning Objectives

• Identify practical applications of acid-base neutralization
• Apply balanced equations to neutralization requirements
• Use mole ratios to relate acids and bases+ Show more

Learning Objectives

• Identify how observations and measurements support evidence-based claims
• Choose useful displays for different kinds of scientific data
• Explain why units make scientific evidence easier to interpret+ Show more

Learning Objectives

• Explain sequential proton transfers in polyprotic acid-base systems
• Identify species produced during successive proton transfers
• Compare predominant polyprotic species under different pH conditions+ Show more

Learning Objectives

• Explain degree of dissociation for weak acids and bases
• Predict concentration effects on weak-acid and weak-base equilibria
• Interpret how pH changes influence dissociation equilibria+ Show more

Learning Objectives

• Trace energy transfers through real thermal devices
• Distinguish useful output from other energy transfers
• Compare device efficiency using consistent input and output quantities+ Show more

Learning Objectives

• Compare chemical measurements with biological observations
• Explain what pH reveals about an environment
• Interpret dissolved oxygen as environmental evidence+ Show more

Learning Objectives

• Compare frame and shell structures by form and function
• Explain how different materials help structures support loads
• Identify factors that contribute to structural success or failure+ Show more

Learning Objectives

• Identify producers, consumers, and nutrient recyclers in forest food webs
• Trace effects of population changes through interconnected food webs
• Explain how habitat changes affect ecosystem relationships+ Show more

Learning Objectives

• Identify evidence of igneous, sedimentary, and metamorphic rock processes
• Explain how weathering and erosion reshape Earth's surface
• Connect transport and deposition to changing surface materials+ Show more

Learning Objectives

• Compare heating systems by energy source and resource needs
• Identify energy losses associated with heating systems
• Compare environmental effects of different heating choices+ Show more

Learning Objectives

• Identify digital sources used to investigate environmental events
• Explain why metadata matters when selecting digital evidence
• Compare time and spatial coverage across digital sources+ Show more

Learning Objectives

• Identify resources and conditions organisms require from habitats
• Explain how human activities change habitat conditions
• Explain changes in relationships among species+ Show more

Learning Objectives

• Explain how design margins prepare structures for uncertain loads
• Compare structural improvements involving shape, bracing, connections and damping
• Evaluate structural changes using safety, cost, function and environmental considerations

Learning Objectives

• Identify Alberta forest types using vegetation and environmental clues
• Explain how elevation influences forest distribution
• Explain how soil moisture and climate shape forest environments+ Show more

Learning Objectives

• Identify five sampling approaches used in environmental investigations
• Compare systematic, stratified, targeted, repeated, and broad-area sampling
• Explain how sample location and spacing affect representation+ Show more

Learning Objectives

• Identify trends, cycles, spatial patterns, and unusual data values
• Connect observed patterns to plausible environmental drivers
• Consider alternative explanations for patterns in environmental data+ Show more

Learning Objectives

• Explain heating and cooling effects using the particle model
• Distinguish temperature change from thermal-energy transfer
• Explain expansion and contraction in materials+ Show more

Learning Objectives

• Trace direct and indirect changes through food webs
• Explain how matter moves through interconnected ecosystems
• Explain movement of nutrients, water, and pollutants+ Show more

Learning Objectives

• Explain how operational definitions make scientific measurements repeatable
• Identify variables and units used in environmental monitoring
• Identify measurement locations and timing in monitoring procedures+ Show more

Learning Objectives

• Distinguish systematic errors from random errors in scientific examples
• Explain how calibration can reveal or reduce measurement error
• Explain why repeated measurements help identify random variation+ Show more

Learning Objectives

• Identify evidence of chemical change in documented reaction examples.
• Explain chemical changes involving combustion and corrosion.
• Compare factors that influence chemical reaction rates.+ Show more

Learning Objectives

• Identify organism adaptations to freshwater and marine environments.
• Explain how environmental conditions affect aquatic populations.
• Describe human impacts on aquatic habitats and organisms.+ Show more

Learning Objectives

• Explain how forest managers balance multiple management objectives
• Compare tools used for landscape-scale forest management
• Identify how monitoring supports forest management decisions+ Show more

Learning Objectives

• Identify environmental challenges associated with surviving in space
• Explain how space technologies address pressure and temperature challenges
• Compare engineering solutions using evidence from documented space missions+ Show more

Learning Objectives

• Distinguish mass percent from volume percent in chemical solutions
• Interpret parts per million in environmental concentration measurements
• Identify appropriate concentration units for different chemical contexts+ Show more

Learning Objectives

• Identify roles organisms play in maintaining healthy ecosystems
• Explain how species interactions affect habitats and food webs
• Connect organism roles to important ecosystem processes+ Show more

Learning Objectives

• Classify materials using composition and measurable properties.
• Distinguish mixtures from pure substances using scientific evidence.
• Differentiate elements, compounds, metals and non-metals.+ Show more

Learning Objectives

• Explain environmental chemistry problems using relevant evidence
• Identify uncertainty in environmental investigations
• Interpret alternative explanations of environmental evidence+ Show more

Learning Objectives

• Identify evidence used to support a scientific claim
• Evaluate the relevance of evidence to a stated claim
• Judge whether evidence is strong enough for a conclusion+ Show more

Learning Objectives

• Identify external loads acting on structures
• Explain tension, compression, shear, bending and twisting
• Interpret deformation as evidence of structural stress+ Show more

Learning Objectives

• Explain thermal energy transfer using observations and measurements
• Compare evidence from real heating and cooling problems
• Identify limitations and uncertainties in scientific conclusions+ Show more

Learning Objectives

• Compare electrical generation technologies using environmental and economic evidence.
• Identify resource demands associated with electrical storage technologies.
• Investigate benefits and unintended consequences of electrical technology projects.+ Show more

Learning Objectives

• Identify functions of specialized cells and tissues within leaves
• Explain how leaf structures support photosynthesis and gas exchange
• Connect vascular tissues with transport functions in leaves+ Show more

Learning Objectives

• Compare seed reproduction with forms of vegetative propagation
• Explain how pollination leads to seed formation
• Explain how germination produces a new plant+ Show more

Learning Objectives

• Identify conduction, convection and radiation in heating and cooling systems
• Explain how materials affect paths of thermal-energy transfer
• Explain how design choices increase or reduce thermal-energy transfer+ Show more

Learning Objectives

• Compare how moving water, waves and tides reshape landforms.
• Identify evidence of erosion, transportation and deposition.
• Explain how glaciers contribute to landscape changes.+ Show more

Learning Objectives

• Explain bonding properties using molecular orbital models
• Interpret conductivity using electronic band structure
• Compare effects of orbital overlap and electron delocalization+ Show more

Learning Objectives

• Explain atomic size differences using periodic trends
• Compare ionization energy across positions in the periodic table
• Interpret electronegativity patterns across periods and groups+ Show more

Learning Objectives

• Trace energy from its source to a useful heating purpose
• Compare how heating technologies control energy transfer
• Explain how resources influence heating technology design+ Show more

Learning Objectives

• Explain how roots support important plant life processes
• Explain how stems, leaves and flowers support plant functions
• Connect investigation evidence with water movement in plants+ Show more