Grade 7 Science Worksheets

Learning Objectives

• Understand different types of temperature sensors used in environmental monitoring
• Learn how calibration, response time, and placement affect measurement accuracy
• Identify common sources of measurement error and how to minimize them+ Show more

Learning Objectives

• Explain how heat transfer occurs through convection in fluids.
• Identify the key factors that influence convective circulation.
• Relate convection phenomena to real-world environmental examples.

Learning Objectives

• Explain the concept of urban heat islands and their causes
• Identify the effects of urban heat on cities and human health
• Describe mitigation strategies used to reduce urban heat effects+ Show more

Learning Objectives

• Understand the properties of materials that conduct heat.
• Differentiate between metals and non-metals in terms of thermal conductivity.
• Identify factors that influence a material’s ability to transfer heat.+ Show more

Learning Objectives

• Understand the relationship between heat, mass, and temperature change
• Learn about specific heat capacity and basic heat calculations
• Recognize units such as joules and watts used in heat measurement+ Show more

Learning Objectives

• Explain how kinetic and potential energy are related to motion and elevation in mechanical systems.
• Use conservation of mechanical energy to predict qualitative energy changes during motion.
• Connect energy relationships to forces, safe speed, and structural loading in real-world transportation and industrial contexts.

Learning Objectives

• Explain how traditional ecological knowledge uses long-term observation to understand ecological relationships and seasonal cycles.
• Describe how oral histories and place-based information can serve as habitat indicators for species and ecosystems.
• Compare Indigenous knowledge with other knowledge systems and explain why both can support environmental understanding.

Learning Objectives

• Explain the differences between ionic and covalent bonding based on atomic interactions.
• Relate bonding types to properties like melting point, solubility, and electrical conductivity.
• Describe simple formation processes of binary ionic salts and molecular compounds.+ Show more

Learning Objectives

• Understand how to define design problems with clear criteria and constraints.
• Learn to translate societal and environmental needs into measurable targets.
• Identify real-world examples of problem specifications in science and engineering.+ Show more

Learning Objectives

• Explain how optimization uses explicit criteria to compare design changes under constraints
• Identify common optimization metrics such as strength-to-weight ratio, operating cost, and energy conversion efficiency
• Evaluate tradeoffs by describing how improving one metric can affect other performance requirements+ Show more

Learning Objectives

• Identify and describe conduction, convection, and radiation as three primary modes of thermal energy transfer.
• Explain how particles and matter (solids, fluids, and empty space) relate to each mode of heat transfer.
• Use everyday examples to predict how heat moves and which mode is most likely in a given situation.

Learning Objectives

• Explain the urban heat island phenomenon and identify key drivers such as surface materials, reduced vegetation, and anthropogenic heat.
• Describe how impervious surfaces, reduced evapotranspiration, and building geometry affect local heat retention and nighttime temperatures.
• Evaluate mitigation strategies (e.g., cool pavements, increased urban greenery, and strategic shading) and predict their likely impacts on comfort and energy use.

Learning Objectives

• Explain how calibration and traceable reference points improve temperature measurement accuracy.
• Describe how sensor response time, placement, shielding, and thermal contact affect measured temperature in environmental settings.
• Interpret temperature readings using uncertainty, resolution limits, and an uncertainty budget.+ Show more

Learning Objectives

• Distinguish temperature from internal energy and explain what each measures at the particle level.
• Describe how thermal energy moves from regions of higher internal energy to lower internal energy.
• Summarize common sources of thermal energy in natural and built environments and relate them to energy transfer.

Learning Objectives

• Explain how corrosion, rot/moisture uptake, freeze–thaw cycling, and UV degradation reduce material performance over time
• Identify protective measures (coatings, cathodic protection, concrete cover) and how they affect service lifespan
• Use bridge deck and exterior roofing examples to connect environmental exposure, inspection, and maintenance to long-term reliability

Learning Objectives

• Understand the principle of conservation of mass during physical and chemical changes.
• Recognize that total mass remains constant in a closed system during reactions.
• Observe and interpret measurements of mass before and after sealed reactions.+ Show more

Learning Objectives

• Understand the key indicators of physical changes in substances.
• Identify examples of physical changes in real-world contexts.
• Differentiate between physical and chemical changes based on observable signs.+ Show more

Learning Objectives

• Understand the defining properties of pure substances such as fixed melting and boiling points, density, and reactivity.
• Distinguish between elements and compounds through physical and chemical tests.
• Identify examples of pure substances, including elemental metals and chemical compounds like calcium carbonate.+ Show more

Learning Objectives

• Explain how phase changes reflect changes in particle energy and discuss latent heat phenomena.
• Identify examples of phase energy in real-world scenarios, such as snowmelt and evaporation.
• Interpret how microscopic particle interactions contribute to macroscopic energy changes during phase transitions.+ Show more

Learning Objectives

• Understand the concepts of accuracy, precision, and measurement uncertainty.
• Identify sources of systematic and random errors in measurement.
• Learn techniques for estimating and reporting measurement uncertainty.+ Show more

Learning Objectives

• Understand how deposition shapes different landforms such as deltas, alluvial fans, and dunes.
• Identify depositional features and processes based on sediment characteristics.
• Explain the formation of layered strata, cross-bedding, and graded beds in depositional environments.+ Show more

Learning Objectives

• Describe the main processes involved in the water cycle, including evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow.
• Explain how the water cycle is driven by solar energy and gravity, and how it affects Earth's spheres.
• Identify pathways such as river discharge to oceans and groundwater contributions to springs.+ Show more

Learning Objectives

• Understand the concept of equilibrium as a state where forces balance and the vector sum equals zero.
• Identify differences between static and dynamic equilibrium.
• Recognize examples of forces at play in real-world objects at rest or moving at constant velocity.+ Show more

Learning Objectives

• Use data and observations to support scientific claims with direct references to evidence.
• Explain why evidence implies a claim by using appropriate relationships and units.
• Evaluate alternative explanations by stating which evidence supports one explanation more strongly.

Learning Objectives

• Construct a testable prediction about plant growth under different watering conditions
• Identify safe practices for investigating plant-growing methods
• Interpret plant-growth observations and recognize uncertainty in results+ Show more

Learning Objectives

• Identify the functions of roots, stems, leaves, and flowers
• Explain how water moves from roots toward plant leaves
• Describe how photosynthesis uses light, water, and carbon dioxide+ Show more

Learning Objectives

• Compare soil textures and explain their effects on water availability.
• Explain how soil nutrients and organic matter support plant growth.
• Distinguish biological pest control from chemical pest control.+ Show more

Learning Objectives

• Describe how pollination and fertilization contribute to seed formation.
• Identify the structures and functions of a flowering plant seed.
• Explain the conditions required for successful seed germination.+ Show more

Learning Objectives

• Explain how birth and death rates change population size using cause-and-effect.
• Identify how resource availability and abiotic constraints can increase deaths or limit births.
• Use measurement of population trends to describe whether a population is growing, shrinking, or fluctuating.

Learning Objectives

• Identify key details of standardized fixed-site survey protocols
• Explain how consistent sampling helps detect ecological change over time
• Use vocabulary from monitoring methods (fixed-site, point count, replicate, quality control) to interpret results

Learning Objectives

• Identify key details about cold tolerance adaptations in boreal animals.
• Summarize how an adaptation helps an animal survive and reproduce in cold environments.
• Explain how variation in traits can change in populations across generations through selection.

Learning Objectives

• Summarize how seasonal migration helps animals meet food and shelter needs.
• Identify timing cues that influence when animals move.
• Explain how migration affects population dynamics over time.

Learning Objectives

• Define and understand physical properties such as density, melting point, boiling point, color, hardness, solubility, and electrical conductivity.
• Explain how physical properties are used to identify and categorize substances.
• Describe the importance of density and solubility in separating mixtures and selecting materials for specific applications.+ Show more

Learning Objectives

• Understand the concept of astronomical units and how they are used to measure distances within the solar system.
• Interpret different scales and representations, such as diagrams and logarithmic plots, to compare planetary sizes and distances.
• Analyze data related to stellar distances, including light-years, and assess how scale influences observation and perception of celestial objects.+ Show more

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Explain how unbalanced forces produce changes in an object's motion.
• Understand the relationship between net force, mass, and acceleration using free-body diagrams.+ Show more

Learning Objectives

• Understand the concept of specific heat capacity and its units of measurement.
• Apply formulas to calculate the energy required to change the temperature of a substance.
• Interpret tabular data and perform unit conversions involving Joules, kilojoules, grams, and degrees Celsius.+ Show more

Learning Objectives

• Explain how mitochondria convert chemical energy from food into ATP using cellular respiration.
• Describe how mitochondrial structure (especially the inner membrane folds) supports energy-releasing reactions.
• Use evidence to identify correct statements about electron transport chains and ATP synthesis.

Learning Objectives

• Explain why animals migrate using food availability and breeding needs as drivers.
• Describe how timing cues and energetic demands affect migration schedules.
• Analyze how migratory connectivity links ecosystems across regions and influences population dynamics.

Learning Objectives

• Explain how density relates mass and volume to identify and compare materials.
• Calculate and interpret density using appropriate units.
• Distinguish intensive properties from extensive properties using density as an example.

Learning Objectives

• Understand the different categories of chemical reaction types.
• Identify and distinguish syntheses, decompostions, single and double displacements, acid-base neutralizations, and combustion reactions.
• Predict possible products based on reaction type at the particle level.+ Show more

Learning Objectives

• Explain how DNA is organized into chromosomes and how genes on chromosomes influence traits
• Describe how chromosome segregation during meiosis helps offspring inherit genetic material from both parents
• Use molecular and cellular examples (such as pigmentation genes and structural proteins) to connect DNA sequence differences to observable traits

Learning Objectives

• Understand the fundamentals of engineering design, including problem definition, criteria, and constraints.
• Learn how to develop and evaluate conceptual solutions using specification writing and trade-off analysis.
• Explore how feasibility criteria influence material selection, cost analysis, and environmental considerations.+ Show more

Learning Objectives

• Evaluate different management strategies for maintaining biodiversity and ecosystem services.
• Analyze trade-offs associated with habitat corridors, protected areas, and restoration efforts.
• Assess the ecological, economic, and social impacts of biodiversity management approaches.+ Show more

Learning Objectives

• Explain how optimization metrics and constraints help guide scientific design choices
• Identify tradeoffs when improving one performance measure may worsen another
• Apply metric-based reasoning to decide which option best meets an overall goal

Learning Objectives

• Understand what invasive species are and how they affect native ecosystems.
• Identify mechanisms by which invasive species spread and establish.
• Analyze ecological consequences of invasive species on biodiversity and habitat structure.+ Show more

Learning Objectives

• Define and describe physical properties such as mass, volume, density, melting point, boiling point, electrical conductivity, and optical clarity.
• Explain how physical properties are used to differentiate and classify substances based on their molecular structure and intermolecular forces.
• Relate macroscopic measurements to microscopic structures and discuss practical examples like metal conductivity and melting points.

Learning Objectives

• Understand the principles of convection and how it transports heat in fluids.
• Identify natural and forced convection examples in environmental and engineered systems.
• Analyze flow patterns, boundary layers, and buoyancy forces in convection processes.+ Show more

Learning Objectives

• Define net force as the vector sum of all forces acting on an object and explain the effect of balanced vs. unbalanced forces on motion.
• Use free-body diagrams to identify forces (including applied forces and friction) and determine the direction of the net force.
• Describe how net force relates to acceleration and how mass affects acceleration using proportional reasoning within Grade 7 scope.