Grade 7 Science Worksheets

Learning Objectives

• Explain how the circulatory, respiratory, digestive, and nervous systems interact to support homeostasis in multicellular animals
• Describe how oxygen and nutrients move through organ systems and how those movements affect body tissues
• Use examples to compare how transport systems work in humans and plants+ Show more

Learning Objectives

• Understand how material properties influence heat flow and energy efficiency.
• Identify examples of insulation in Alberta regional architecture.
• Explain the importance of R-values, thermal bridges, and lifecycle energy in building design.+ Show more

Learning Objectives

• Understand how data is organized into tables with consistent units and labels.
• Identify key features of graphs such as axes, scale, and categories.
• Interpret trends, clusters, and relationships in data visualizations.+ Show more

Learning Objectives

• Explain how different temperature measurement instruments work and what ranges they are most suitable for.
• Use Celsius scale conventions, including fixed points and interval meaning, to interpret temperature readings.
• Describe how calibration, thermal contact, and environmental factors affect measurement accuracy and uncertainty.+ Show more

Learning Objectives

• Compare thermal conductivity in metals, ceramics, polymers, and composites based on their internal structure.
• Explain how free electrons and lattice vibrations contribute to heat transfer in different materials.
• Describe how density, porosity, and moisture affect a material’s effective thermal conductivity.

Learning Objectives

• Explain how iterative refinement and quantitative comparison improve structural design.
• Describe topology/form optimization ideas and how performance criteria guide material efficiency.
• Apply life-cycle assessment and constructability constraints to choose feasible solutions.+ Show more

Learning Objectives

• Understand the mechanisms that lead to speciation and biodiversity.
• Identify different types of reproductive barriers and their roles in lineage divergence.
• Describe examples of adaptive radiation and plant polyploid speciation.+ Show more

Learning Objectives

• Explain how energy moves from producers to consumers through trophic levels
• Use quantitative ideas (energy-transfer efficiency percentages) to predict how much energy reaches higher levels
• Interpret biomass pyramids and describe why energy availability limits population sizes+ Show more

Learning Objectives

• Explain how walls, roofs, windows, and foundations affect heat loss and heat gain through conduction, air leakage, and radiation.
• Identify how thermal bridging and air infiltration reduce the effectiveness of insulation and air barriers.
• Use common indicators (R-value, U-value, and air changes per hour) to describe building envelope performance.+ Show more

Learning Objectives

• Understand the concept of optimization in scientific and engineering contexts.
• Identify key performance metrics and constraints in design problems.
• Analyze trade-offs among strength, cost, durability, and sustainability.+ Show more

Learning Objectives

• Identify testable questions and key parts of investigations
• Distinguish independent, dependent, and controlled variables
• Construct predictions and organize fair-test procedures+ Show more

Learning Objectives

• Identify testable questions and key parts of investigations
• Distinguish independent, dependent, and controlled variables
• Construct predictions and organize fair-test procedures+ Show more

Learning Objectives

• Explain how functional requirements and constraints guide the design process from ideas to solutions.
• Describe performance objectives (such as load capacity, stiffness, and serviceability) and how they affect design choices.
• Use criteria and trade-off analysis, including a decision matrix and sketches, to compare design options.+ Show more

Learning Objectives

• Identify cause-and-effect details about how weathering changes rocks
• Use evidence from a science passage to explain how different forces affect land surfaces
• Distinguish weathering from erosion by describing what each process does

Learning Objectives

• Explain how energy from the Sun drives convection in the atmosphere
• Describe cause-and-effect relationships between temperature, air movement, and pressure
• Identify key terms such as convection, rising air, and cooling with altitude

Learning Objectives

• Explain how resource availability influences population growth.
• Interpret logistic growth curves and concepts of carrying capacity.
• Analyze how competition affects birth, death, immigration, and emigration rates in ecosystems.+ Show more

Learning Objectives

• Understand what temperature measures and how it relates to the kinetic energy of particles.
• Identify different methods of heat transfer: conduction, convection, and radiation.
• Analyze real-world examples of heat transfer in environmental and engineered systems.+ Show more

Learning Objectives

• Define ecological succession and distinguish between primary and secondary succession.
• Identify the characteristic stages of succession.
• Describe the factors driving succession such as soil development, seed dispersal, competition, and facilitation.+ Show more

Learning Objectives

• Explain how photosynthesis converts light energy into chemical energy stored in sugars
• Identify the inputs and outputs of photosynthesis and describe where the process happens
• Connect photosynthesis to how matter and energy move through food chains

Learning Objectives

• Understand the purpose of model evaluation in scientific predictions.
• Learn how evidence supports or questions model assumptions.
• Interpret computational simulations to see the effect of changing input factors.+ Show more

Learning Objectives

• Understand the intrinsic properties that influence material thermal behavior.
• Compare common construction materials and their thermal resistance.
• Analyze how porosity, moisture, and layering affect thermal conductivity.+ Show more

Learning Objectives

• Calculate thermal energy using mass, specific heat capacity, and temperature change
• Explain how specific heat capacity affects thermal energy requirements
• Interpret joules and watts in quantitative heat-transfer contexts+ Show more

Learning Objectives

• Understand the concept of chemical properties and how they are identified.
• Recognize different observable outcomes that indicate chemical reactions.
• Describe how properties like flammability, reactivity, oxidation, and pH influence chemical behavior.+ Show more

Learning Objectives

• Explain how diffusion, osmosis, and active transport move substances across a selectively permeable cell membrane
• Distinguish passive transport from active transport using energy and concentration-gradient direction
• Describe how membrane proteins help regulate movement and maintain ion balance

Learning Objectives

• Explain how energy flows through trophic levels in an ecosystem
• Describe how matter cycles through decomposition and nutrient pathways
• Predict how changes in nutrients or plant growth can affect consumer populations+ Show more

Learning Objectives

• Interpret distance–time graphs to describe uniform motion, acceleration, and rest intervals.
• Understand how the slope of a velocity–time graph relates to speed.
• Describe motion patterns using graphical information and relate them to real-world examples.+ Show more

Learning Objectives

• Distinguish between quantitative and qualitative observations
• Identify appropriate metric units and instruments for length, mass, and volume
• Understand sources of error in scientific data collection+ Show more

Learning Objectives

• Explain what net force of zero means for an object’s motion
• Identify static and dynamic equilibrium using examples
• Interpret force pairs qualitatively to predict stable and changing motion+ Show more

Learning Objectives

• Explain how water moves through the atmosphere, land, and oceans during the water cycle
• Describe how energy from the Sun and gravity drive major water cycle processes
• Connect water cycle pathways to weather, climate, and ecosystems

Learning Objectives

• Explain how living organisms function as interconnected systems with specialized structures
• Describe how body systems process inputs (food, oxygen, water) into forms cells can use
• Use cause-and-effect reasoning to connect structure function to organism survival+ Show more

Learning Objectives

• Explain how natural processes and human use affect the availability of land, water, and air resources.
• Describe how precipitation patterns and groundwater storage influence access to freshwater.
• Evaluate how droughts, floods, and human demand can change ecosystem stress and resource availability.

Learning Objectives

• Explain how sound waves affect perceived loudness and pitch as they travel through space
• Describe how reflection and absorption by materials change the intensity of sound
• Connect frequency and amplitude to pitch and volume

Learning Objectives

• Explain how reliability and variability affect the confidence of scientific conclusions.
• Identify common sources of measurement and interpretation error in experimental data.
• Use patterns in repeated measurements to decide whether evidence supports design changes.

Learning Objectives

• Understand the factors that drive seasonal and annual animal migration.
• Identify examples of migration routes and their ecological importance.
• Explain how migration connects ecosystems across regions.+ Show more

Learning Objectives

• Explain how torque depends on force and lever arm distance
• Identify how moving the fulcrum changes which direction and size of force is produced
• Use simple arithmetic to relate input force to output force in lever situations

Learning Objectives

• Understand how cells communicate through chemical and electrical signals.
• Identify the role of receptor proteins, gap junctions, and plasmodesmata in cell communication.
• Explain the importance of signal specificity, amplification, and feedback in biological processes.

Learning Objectives

• Describe different reaction types such as synthesis, decomposition, single and double displacement, acid–base neutralization, and combustion.
• Explain how bonds are broken and formed during reaction types at the particle level.
• Identify reaction types based on chemical equations and particle explanations.+ Show more

Learning Objectives

• Understand how natural processes and human activities affect Earth's land, water, and air resources.
• Identify factors that influence resource availability, such as precipitation, geological storage, and ecosystem capacity.
• Analyze how natural events like droughts and floods impact resource access.+ Show more

Learning Objectives

• Explain how energy moves through trophic levels from primary producers to higher consumers
• Use quantitative ideas like trophic efficiency (e.g., ~10%) to predict how much energy is available at higher levels
• Describe how respiration and heat conversion limit energy availability and shape biomass pyramids+ Show more

Learning Objectives

• Identify criteria for strong scientific questions and use them to form testable hypotheses.
• Explain how operational definitions, variables, and reproducibility improve the reliability of results.
• Apply measurement precision and clear documentation practices to support valid comparisons across trials.+ Show more

Learning Objectives

• Explain what chemical properties are and how they help predict reactions.
• Identify observable evidence (gas, color change, heat) that indicates chemical changes.
• Describe how flammability, reactivity with acids or bases, oxidation, and pH behavior are chemical properties.

Learning Objectives

• Understand how traits vary within animal populations
• Identify examples of traits such as body size, coloration, and disease resistance
• Learn about the sources of variation including inheritance and recombination+ Show more

Learning Objectives

• Explain what a keystone species is and why its impact is disproportionate to its abundance
• Describe how removing a keystone species can cause trophic cascades and change ecosystem structure
• Identify keystone species using evidence from food webs and species interactions+ Show more

Learning Objectives

• Explain how different biotic interactions (predation, competition, mutualism, commensalism, and parasitism) affect survival and reproduction.
• Describe how changes to one species can spread through a community and alter biodiversity.
• Predict how human actions (habitat alteration, overharvesting, and species introductions) may disrupt ecological relationships.

Learning Objectives

• Explain how energy transfers from higher-energy systems to lower-energy systems
• Identify common forms of energy involved in energy transfer (heat, light, motion, sound)
• Describe energy transformations and how they relate to observable changes (temperature, motion, light)

Learning Objectives

• Explain how food availability and breeding needs can drive migration patterns.
• Identify timing cues and energetic demands that influence when animals migrate.
• Describe how migratory connectivity links ecosystems across habitats and provinces.

Learning Objectives

• Understand the different types of population interactions: competition, predation, and mutualism.
• Identify how resource use and niche partitioning influence community stability.
• Explain mechanisms that allow species to coexist and how interactions affect biodiversity.+ Show more

Learning Objectives

• Explain how waves transfer energy without permanently moving matter.
• Differentiate transverse and longitudinal waves using particle motion and wave patterns.
• Relate amplitude and wavelength to the energy and spacing of a wave pattern.