Grade 7 Science Worksheets

Learning Objectives

• Explain how solar energy becomes chemical energy in producers and then flows through trophic levels.
• Use trophic efficiency ideas to predict how energy availability changes from one level to the next.
• Interpret simple biomass pyramid patterns and describe why higher trophic levels have less energy and biomass.+ Show more

Learning Objectives

• Differentiate elements and compounds by describing their atomic composition and bonding.
• Explain how chemical formulas reflect fixed atomic ratios in compounds.
• Connect macroscopic properties (melting point and conductivity) to the difference between elements and compounds.+ Show more

Learning Objectives

• Understand what forces are and how they act on objects
• Identify different types of forces such as push, pull, friction, and gravity
• Learn how forces affect the motion of objects, including speed, direction, and rest+ Show more

Learning Objectives

• Identify and define what elements are, based on atomic composition.
• Differentiate between elements and compounds by their properties and composition.
• Understand the significance of chemical formulas and fixed atomic ratios in compounds.+ Show more

Learning Objectives

• Understand different types of population interactions such as competition, predation, and mutualism.
• Identify examples of competition in natural environments.
• Explain how competition influences species survival and community composition.+ 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 how observable physical and chemical properties influence material selection for specific applications.
• Learn to match material properties such as corrosion resistance, hardness, melting point, solubility, and reactivity to application requirements.
• Recognize the importance of chemical stability, density, and strength in structural and environmental decision-making.+ Show more

Learning Objectives

• Explain how insulation reduces heat transfer between inside and outside environments.
• Relate R-value, thickness, and construction details to thermal resistance and comfort.
• Describe how thermal bridges and air leaks can increase heat flow even when insulation is present.+ Show more

Learning Objectives

• Describe lithospheric plates and how they move on the mantle
• Explain how divergent, convergent, and transform boundaries differ
• Connect plate boundary interactions to earthquakes, volcanoes, and mountain building+ Show more

Learning Objectives

• Explain what net force means and how its direction affects motion
• Use vector addition ideas (with 1D sign conventions) to find net force
• Interpret equilibrium and free-body diagrams in real-world systems

Learning Objectives

• Use consistent metrics to compare two competing solution designs.
• Identify and quantify trade-offs among performance, cost, durability, and manufacturability.
• Use simple models and prototypes to predict and evaluate observed behavior.

Learning Objectives

• Define physical change and explain how it differs from chemical change at the particle level.
• Classify common physical changes, including phase changes and shape/appearance changes.
• Use reversible evidence (changing conditions) to justify why a change is physical.

Learning Objectives

• Explain what species richness and evenness measure in communities
• Interpret biodiversity values when comparing contrasting habitats
• Describe how habitat heterogeneity relates to niche diversity+ Show more

Learning Objectives

• Explain how food molecules are broken down and rearranged in the body for growth, repair, and maintenance.
• Describe how chemical energy in food becomes usable energy for life processes.
• Use evidence from food and digestion to connect eating habits with changes in body condition over time.

Learning Objectives

• Define and identify physical changes in matter.
• Differentiate between physical and chemical changes.
• Recognize common examples of physical changes.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how internal processes (uplift, deformation, earthquakes, volcanism) can change Earth’s surface
• Describe how external processes (erosion and deposition by water and wind) shape landforms
• Identify evidence of past surface processes using rock strata, landform patterns, and hazard history

Learning Objectives

• Understand the concept of inertia and Newton's First Law
• Identify real-world examples of inertia and force
• Describe the relationship between mass, force, and acceleration+ Show more

Learning Objectives

• Explain how abstraction and assumptions are used to build useful models of real-world systems
• Describe how parameter choices and units affect the predictions of a model
• Use evidence from observations to validate model outputs and recognize limits of predictions

Learning Objectives

• Explain the difference between closed and open systems in terms of matter transfer.
• Describe how mass conservation applies in closed systems during reactions.
• Identify examples of open and closed systems in real-world scenarios.+ Show more

Learning Objectives

• Explain that mass is conserved in a closed system during physical or chemical changes
• Use reactants and products to predict that total mass before and after remains equal
• Interpret sealed-container observations to support conservation of mass+ Show more

Learning Objectives

• Describe the different phases of matter and their particle arrangements during heating.
• Explain how temperature changes relate to phase transitions like melting and boiling.
• Identify patterns in temperature-time graphs during phase changes.+ Show more

Learning Objectives

• Explain how changes in an object’s motion energy relate to energy transferred into or out of the object.
• Use energy accounting to track where kinetic energy goes during braking, collisions, and bouncing.
• Distinguish quantitative (numerical) and qualitative evidence when reasoning about energy transfers.

Learning Objectives

• Explain how conservation of mass applies to reactions occurring in a closed system
• Use mass accounting ideas to connect the masses of reactants to the masses of products
• Identify sources of error when measured masses do not match conservation of mass expectations+ Show more

Learning Objectives

• Identify different types of symbiotic relationships in ecosystems.
• Describe mutualism, commensalism, and parasitism using regional examples.
• Understand ecological impacts of these relationships on community dynamics.

Learning Objectives

• Understand the processes of erosion by water and how it shapes landscapes.
• Identify the distinctive features caused by water erosion such as valleys and graded beds.
• Recognize the agents involved in erosion and the patterns they produce.+ Show more

Learning Objectives

• Understand the causes and effects of deforestation and habitat loss
• Identify human activities that lead to habitat fragmentation
• Explain how habitat destruction impacts biodiversity and ecosystem functions

Learning Objectives

• Explain how assumptions and simplifications create limits in scientific models.
• Use evidence from observations to identify where a model may need revision.
• Describe how discrepancies can lead scientists to change parameters, add processes, or restructure a model.+ Show more

Learning Objectives

• Define a load path and identify the primary structural elements it connects (slabs/decks to beams/columns/trusses to foundations).
• Distinguish dead loads from live loads and explain why both matter for design.
• Identify how tension, compression, and shear commonly occur in structural members and why connections matter.+ Show more

Learning Objectives

• Understand how chloroplasts capture light energy and convert it into chemical energy during photosynthesis.
• Identify the structures within chloroplasts responsible for absorbing light and generating energy.
• Explain the process of carbon fixation in the stroma and its importance for plant growth.+ Show more

Learning Objectives

• Explain how the circulatory, respiratory, and digestive systems work together to support homeostasis.
• Describe how specialized structures (capillaries and alveoli) increase the efficiency of exchange.
• Use accurate science vocabulary to identify roles of organs and systems in transporting and processing materials.

Learning Objectives

• Explain Newton’s third law using the action-reaction force pair idea
• Identify action-reaction forces in contact and noncontact situations (including gravity)
• Use force and mass reasoning to predict acceleration direction and relative size

Learning Objectives

• Explain what a load path is and describe how loads transfer from slabs or decks to beams, columns, trusses, and foundations
• Differentiate between dead loads and live loads and identify how they affect structures
• Identify where tension, compression, and shear typically occur in common structural members+ Show more

Learning Objectives

• Understand how particle movement relates to temperature
• Identify different ways heat is transferred
• Recognize environmental examples of thermal exchange

Learning Objectives

• Explain how corrosion, rot, moisture uptake, freeze–thaw cycling, and UV degradation reduce material performance over time
• Describe protective measures (coatings, cathodic protection, and concrete cover) and how they slow deterioration
• Relate service environment and inspection/maintenance choices to expected lifespan of bridge decks and exterior roofing

Learning Objectives

• Describe Earth's internal layers and their properties.
• Explain how seismic waves provide evidence for Earth's internal structure.
• Understand mantle convection and its role in plate movement.+ Show more

Learning Objectives

• Observe plant epidermis and protists using microscopy to identify cellular structures.
• Differentiate between unicellular and multicellular organisms based on microscopic observations.
• Understand the hierarchical organization from cells to tissues and organs.+ Show more

Learning Objectives

• Understand different ways to represent matter interactions
• Interpret symbolic chemical equations
• Read and analyze graphs of mass or temperature versus time+ Show more

Learning Objectives

• Explain how environmental conditions (water, salts, freeze–thaw, and UV) lead to material degradation over time.
• Identify protective measures (coatings, cathodic protection, concrete cover, sealers, and detailing) that improve durability.
• Relate maintenance schedules and inspection intervals to expected lifespan and long-term structural reliability.

Learning Objectives

• Identify and describe ecological levels of organization from individuals to ecosystems
• Explain how higher-level patterns (population, community, ecosystem) can’t be predicted from individual traits alone
• Use examples (such as trout in Alberta waters) to distinguish levels by their properties and processes

Learning Objectives

• Understand what traits contribute to an organism's survival
• Learn how environment influences which traits are advantageous
• Explore the concept of fitness in different habitats+ Show more

Learning Objectives

• Understand how lever classes and pulley systems modify effort and direction of applied forces.
• Explain the concepts of torque, fulcrum placement, and mechanical advantage in simple terms.
• Calculate ideal mechanical advantage for common lever and pulley setups using basic arithmetic.+ Show more

Learning Objectives

• Explain the concepts of particle kinetic and potential energy during phase changes.
• Describe how latent heat phenomena are involved in melting, freezing, evaporation, and condensation.
• Interpret microscopic particle interactions in terms of macroscopic energy changes.+ Show more

Learning Objectives

• Define solution concentration as the amount of solute relative to solvent and explain why concentration matters.
• Use and interpret concentration measures such as mass percent and grams per litre.
• Predict how changing concentration can affect physical properties like freezing point and boiling point.

Learning Objectives

• Understand the origins and formation of the solar system.
• Identify key properties and features of planets and other celestial bodies.
• Compare and contrast terrestrial and gas giant planets.+ Show more

Learning Objectives

• Explain how scientific claims are supported by evidence using a clear chain from observations to reasoning.
• Evaluate arguments for consistency between stated quantities and what data actually show.
• Use scientific principles to justify why evidence supports a claim while avoiding unsupported cause-and-effect.

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Explain how unbalanced forces cause changes in motion.
• Describe the relationship between net force, mass, and acceleration using diagrams and reasoning.+ Show more

Learning Objectives

• Explain the role of calorimetry and energy conservation in predicting heat transfer.
• Use q = m · c · ΔT to relate temperature changes to energy transfer in joules.
• Identify how heat flows during melting, heating, and heat losses in real-world thermal scenarios.