Grade 7 Science Worksheets

Learning Objectives

• Explain how tectonic activity, weathering, erosion, and deposition shape Earth’s surface.
• Identify how transporting agents and energy changes lead to deposition.
• Use geologic vocabulary (tectonic activity, weathering, erosion, deposition) to describe landform change over time.

Learning Objectives

• Understand core principles of ecological restoration and reference conditions.
• Differentiate between active and passive restoration approaches.
• Learn criteria for species selection and long-term landscape monitoring.+ Show more

Learning Objectives

• Explain the processes that drive the transformation among igneous, sedimentary, and metamorphic rocks within the Earth's rock cycle.
• Describe how geological processes such as melting, crystallization, weathering, and sediment transport contribute to rock changes.
• Identify examples of rock formation processes like volcanic activity, sediment layering, and contact metamorphism.+ Show more

Learning Objectives

• Understand the key chemical properties and how they describe a substance.
• Identify observable indicators of chemical reactions.
• Assist in predicting reactions based on chemical properties like flammability, reactivity, and pH.

Learning Objectives

• Understand how nonliving factors such as temperature, light, water, soil, and salinity influence species distributions and ecosystems.
• Explain the concept of environmental gradients and microclimate effects on organism tolerances.
• Describe how abiotic factors interact with biotic relationships to shape biodiversity and community structure.+ Show more

Learning Objectives

• Understand how energy changes occur during chemical reactions, including exothermic and endothermic processes.
• Explain how energy transfer relates to bond breaking and formation in chemical reactions.
• Distinguish between chemical and physical changes using energy evidence and other signs.+ Show more

Learning Objectives

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

Learning Objectives

• Compare embryonic development stages across different animal groups and identify conserved features.
• Explain how shared embryonic structures and developmental timing can support evolutionary relationships.
• Use examples such as pharyngeal pouches and limb buds to interpret evidence for common developmental pathways.

Learning Objectives

• Identify how temperature impacts species distributions and survival
• Analyze the effects of temperature fluctuations on ecosystems
• Evaluate the role of abiotic factors in shaping biological processes

Learning Objectives

• Define metamorphism and explain how it alters rocks
• Identify different types of metamorphism and their features
• Recognize mineral changes occurring during metamorphism+ Show more

Learning Objectives

• Understand the structure and function of mitochondria in energy production.
• Explain the process of cellular respiration and how ATP is generated.
• Identify the role of the electron transport chain and membrane gradients in energy synthesis.+ Show more

Learning Objectives

• Understand how repeated measurements improve data reliability.
• Identify sources of error that affect measurement accuracy.
• Interpret data patterns and variability in testing results.+ Show more

Learning Objectives

• Understand the conventions of technical communication including drawings, schematics, and documentation.
• Identify and interpret standardized symbols, units, and labels used in engineering diagrams.
• Explain the importance of clarity, scale, and unambiguous dimensioning in technical drawings.+ Show more

Learning Objectives

• Understand the concept of scale in astronomy using units like astronomical units, light-years, and planetary diameters.
• Interpret scaled diagrams and logarithmic representations of distances within the solar system and galaxy.
• Analyze orders of magnitude differences and how scale influences observational limits and apparent motion.

Learning Objectives

• Explain the conservation of matter during chemical reactions using evidence such as equal total mass of substances before and after.
• Describe how atoms are rearranged in chemical reactions while the total number of atoms remains the same.
• Apply conservation of matter to everyday observations, like mass measurements in sealed containers.

Learning Objectives

• Understand how geological processes such as plate tectonics, sedimentation, weathering, and biological activity contribute to the formation of mineral and energy resources.
• Identify the relationship between Earth's history and the location of resource deposits.
• Analyze how geologic maps and cross sections illustrate resource distribution.+ Show more

Learning Objectives

• Use astronomical units (AU), planetary diameters, and light-years to compare distances in space.
• Interpret scaled diagrams and logarithmic ideas to explain orders of magnitude differences.
• Explain how scale affects what we can observe and how fast objects appear to move.

Learning Objectives

• Explain how predators, prey, and competitors affect access to resources in a community
• Describe how mutualism can change resource availability and improve survival for both partners
• Connect population interactions to changes in survival, reproduction rates, and population size over time

Learning Objectives

• Understand the structure and function of different tissues in the body
• Identify various types of tissues such as epithelial, muscle, and nervous tissue
• Explain how tissues combine to form organs and support organism functions

Learning Objectives

• Understand how increasing human populations affect water demand.
• Learn the connection between population growth and ecosystem health.
• Analyze regional examples of resource consumption and environmental pressure.+ Show more

Learning Objectives

• Explain how the kinetic motion of particles affects temperature.
• Describe the differences between heat and temperature.
• Identify the methods of thermal transfer: conduction, convection, radiation.+ Show more

Learning Objectives

• Identify signs of a physical change by linking particle behavior to observable properties.
• Explain how phase transitions and dissolving can occur without changing chemical identity.
• Use mass conservation in closed systems to support whether a change is physical.

Learning Objectives

• Understand the basic units used in scientific measurements
• Learn the importance of accuracy and precision in measurements
• Recognize sources of measurement uncertainty, including systematic and random errors+ Show more

Learning Objectives

• Explain how inherited differences and recombination create variation within a population
• Describe how trait frequency can change across generations under environmental pressures
• Analyze data or statements to distinguish between heritable variation and non-heritable influences+ Show more

Learning Objectives

• Explain what happens at the particle level during melting and freezing.
• Identify energy absorption and release associated with phase changes.
• Describe how latent heat is involved in melting and freezing processes.+ Show more

Learning Objectives

• Understand the process of decomposition and its role in ecosystems
• Identify key organisms involved in decomposition such as detritivores, fungi, and bacteria
• Explain how nutrients like carbon and nitrogen are transformed during decomposition+ Show more

Learning Objectives

• Understand the purpose and function of bridges in structural engineering
• Identify key design features that fulfill load-bearing requirements
• Analyze how design choices affect the durability and performance of bridges+ Show more

Learning Objectives

• Describe the major layers of Earth (crust, mantle, outer core, inner core) and key properties of each.
• Explain how heat transport, density differences, and convection relate to Earth’s dynamic processes.
• Interpret seismic wave behavior as evidence for Earth’s internal structure.+ Show more

Learning Objectives

• Identify major structural failure modes (buckling, fatigue cracking, beam fracture, and connection/foundation failure) and describe what triggers them.
• Explain limit states design and how safety factors and redundancy reduce the risk of collapse.
• Relate failure mechanisms to geometry, materials, and loading conditions using bridge and structural examples.

Learning Objectives

• Explain the action-reaction relationship between two interacting objects.
• Identify action-reaction force pairs in real-world examples (contact and noncontact).
• Relate acceleration to net force and mass when forces come from interactions.

Learning Objectives

• Understand the role of gravity in orbital motion within the solar system and galaxies.
• Identify mathematical relationships that describe orbital velocity and centripetal effects.
• Analyze observational evidence such as orbital trajectories and Keplerian patterns.+ Show more

Learning Objectives

• Identify a design problem in a technology task.
• Distinguish criteria from constraints.
• Explain why clear criteria help guide brainstorming and prototype choices.

Learning Objectives

• Explain how atomic number relates to the number of protons and electrons in common cases.
• Compare particle, ball-and-stick, and lattice representations of atoms in molecules and extended structures.
• Use chemical formula notation to describe how bonding patterns affect properties such as melting point and conductivity.

Learning Objectives

• Understand the basic principles of filtration and sedimentation as mechanical separation techniques.
• Identify different pore sizes and their applications in filtration processes.
• Describe how flow behaviour affects filtration efficiency and separation quality.+ Show more

Learning Objectives

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

Learning Objectives

• Apply probability to monohybrid cross outcomes to predict expected genotype and phenotype ratios.
• Connect Punnett square results to the likelihood that offspring inherit dominant or recessive traits.
• Use expected ratios to explain why larger populations better match theoretical predictions.

Learning Objectives

• Describe how engineers map primary and secondary load paths in multi-span bridge and building systems
• Explain how diaphragms, shear walls, and moment frames change stiffness and redirect loads
• Predict how openings, re-entrant corners, and irregular geometry can redistribute gravity, lateral, and dynamic loads+ Show more

Learning Objectives

• Explain how the particle model describes matter as particles that have spaces and are in constant motion
• Use particle ideas to account for macroscopic properties and states of matter
• Describe how diffusion and density changes can be explained by particle arrangement and motion+ Show more

Learning Objectives

• Explain how energy flows within ecosystems through food chains, webs, and trophic pyramids.
• Describe the cycling of matter, including nutrients like carbon and water, in different ecosystems.
• Analyze how changes in energy pathways or inputs affect community structure and ecosystem processes.+ Show more

Learning Objectives

• Understand the mechanisms by which cells communicate through chemical and electrical signals.
• Identify the roles of receptor proteins, gap junctions, and plasmodesmata in cell communication.
• Explain how signal specificity, amplification, and feedback regulation control bodily processes.+ Show more

Learning Objectives

• Understand how friction influences movement and stability.
• Identify factors that affect friction between surfaces.
• Explain the relationship between applied force, friction, and motion.+ Show more

Learning Objectives

• Explain how design criteria and explicit constraints help frame a design problem.
• Identify measurable or observable success criteria and recognize trade-offs between requirements.
• Connect a solution plan to constraints to show what counts as improvement.

Learning Objectives

• Explain how manufacturing processes and microstructure affect strength, stiffness, and durability in advanced materials.
• Compare engineered timber, fibre-reinforced polymers, and high-performance concrete in terms of performance and practical use.
• Evaluate trade-offs among cost, fabrication complexity, and performance when selecting materials and connection methods.

Learning Objectives

• Identify the major organelles in plant and animal cells and describe their functions.
• Compare and contrast eukaryotic and prokaryotic cell organization.
• Explain the roles of nucleus, mitochondria, chloroplasts, endoplasmic reticulum, and membranes in cell function.+ Show more

Learning Objectives

• Identify and describe the functions of key organelles in plant and animal cells.
• Connect cell structure to its role in processes like transport, synthesis, and compartmentalization.
• Compare eukaryotic and prokaryotic cells, highlighting differences in organization and specialization.+ Show more

Learning Objectives

• Explain Newton’s third law using the action-reaction force pair for interacting objects
• Identify how equal and opposite forces relate to contact and noncontact interactions
• Use mass and Newton’s second law to reason about why accelerations may differ

Learning Objectives

• Explain the process of evaporation and crystallization in recovering solutes.
• Identify factors that influence crystal size, shape, and purity.
• Describe real-world examples of crystallization like salt and sugar production.+ Show more

Learning Objectives

• Explain how microstructure and manufacturing choices can increase strength, stiffness, and durability in advanced materials.
• Compare engineered timber, fibre-reinforced polymers, high-performance concrete, and composite systems using key properties and limitations.
• Describe how prefabrication, connections, and retrofits affect the real-world performance of advanced materials.