Grade 7 Science Worksheets

Learning Objectives

• Understand Newton's three laws of motion and how they describe force and movement.
• Identify real-world phenomena that illustrate inertia, acceleration, and action-reaction pairs.
• Connect qualitative descriptions of force and mass to algebraic proportionality in objects in motion.

Learning Objectives

• Understand the concept of mechanical energy conservation in ideal and real systems.
• Explain how energy transfers among system components during motion such as swinging pendulums and springs.
• Identify observable signs of energy loss and discuss how nonmechanical energy forms influence system behavior.

Learning Objectives

• Understand how to calculate average speed using distance and time data.
• Distinguish between average speed and instantaneous speed through examples.
• Convert units between meters per second and kilometers per hour.+ Show more

Learning Objectives

• Understand the concept of net force and how it determines the motion of objects.
• Compose vectors representing forces in free-body diagrams.
• Apply vector addition and equilibrium conditions to analyze systems like elevators, tug-of-war, and carts on ramps.+ Show more

Learning Objectives

• Define kinetic energy as energy of motion and potential energy as stored energy.
• Describe everyday phenomena illustrating kinetic and potential energy.
• Explain how height and motion relate to different forms of energy.+ Show more

Learning Objectives

• Identify the main parts of a cell and their functions.
• Describe the diversity in cell shapes and components based on their roles.
• Understand the structural differences between plant and animal cells.+ Show more

Learning Objectives

• Identify the three principal boundary types and their characteristic landforms.
• Explain how divergent boundaries create mid-ocean ridges and rift valleys.
• Describe the processes that occur at convergent boundaries, including subduction and mountain formation.+ Show more

Learning Objectives

• Identify different tissue types in the human body.
• Describe the functions of epithelial, muscular, connective, and nervous tissues.
• Understand how tissues work together to form organs and systems.+ Show more

Learning Objectives

• Explain the concept of trophic efficiency
• Describe how energy is transferred through food chains
• Identify factors that cause energy loss in ecosystems+ Show more

Learning Objectives

• Understand the properties and manufacturing processes of engineered timber, fibre-reinforced polymers, and high-performance concrete.
• Explain how microstructure enhances the strength, stiffness, and durability of advanced materials.
• Analyze the trade-offs among cost, fabrication complexity, and performance of modern construction materials.+ Show more

Learning Objectives

• Understand key principles of structural optimization including topology and form optimization.
• Identify criteria used in performance-based optimization, including life-cycle assessment and constraints.
• Analyze how optimization reduces weight and cost while maintaining strength, stiffness, and durability.+ Show more

Learning Objectives

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

Learning Objectives

• Explain the difference between genotype and phenotype.
• Use dominant and recessive alleles to predict possible phenotypes.
• Describe how environmental factors can affect how a genotype becomes a phenotype.+ Show more

Learning Objectives

• Observe and compare plant epidermis, animal epithelial tissue, and protist cells under a microscope.
• Identify cell boundaries such as plasma membranes and cell walls in different types of cells.
• Distinguish between unicellular and multicellular organization using examples like onion epidermis and protists.

Learning Objectives

• Understand the concept of ecosystem resilience and factors influencing it.
• Identify patterns of population change after disturbances.
• Analyze how community relationships reorganize in response to environmental changes.+ Show more

Learning Objectives

• Understand quantitative measures of biodiversity such as species richness and evenness.
• Interpret diversity values across different habitats and their ecological implications.
• Explain the relationships among habitat heterogeneity, niche diversity, and species turnover.+ Show more

Learning Objectives

• Explain how friction opposes relative motion between surfaces and affects net force.
• Predict whether an object speeds up, slows down, or moves at (nearly) constant velocity based on the relationship between applied force and friction.
• Describe how surface texture (smooth vs. rough) changes the size of friction and influences motion.

Learning Objectives

• Identify how a scientific claim must be supported by specific data and observations.
• Explain why evidence implies a claim using appropriate comparisons, units, and relationships.
• Evaluate alternative explanations by stating which evidence supports one explanation more strongly.

Learning Objectives

• Recognize different forms of energy and how they interconvert.
• Understand the concept of energy conservation during transformations.
• Identify regional resource examples related to energy processes.+ Show more

Learning Objectives

• Understand the concept of mass and its importance in chemical reactions.
• Learn how to accurately measure mass before and after a chemical process.
• Identify factors that affect the conservation of mass in closed and open systems.+ Show more

Learning Objectives

• Describe the three main states of matter: solids, liquids, and gases, based on particle arrangement, spacing, and movement.
• Explain how temperature and pressure influence the transitions between different states of matter.
• Identify observable characteristics of solids, liquids, and gases to classify substances by physical properties.+ Show more

Learning Objectives

• Identify observable signs that indicate a chemical change has occurred
• Differentiate between physical and chemical changes based on evidence
• Explain why multiple change indicators together provide stronger evidence for chemical reactions+ Show more

Learning Objectives

• Define physical change and identify examples of physical changes.
• Differentiate between physical and chemical changes based on observable attributes.
• Explain why physical changes are often reversible.+ Show more

Learning Objectives

• Identify Earth’s four system spheres: atmosphere, hydrosphere, geosphere, and biosphere.
• Explain how matter and energy move between spheres (water, gases, and rock/soil interactions).
• Describe how changes in one sphere can affect other spheres, including climate and ecosystems.

Learning Objectives

• Distinguish weather from climate using data about temperature, wind, humidity, and precipitation
• Interpret how pressure changes and air mass movement can explain weather patterns over time and across locations
• Connect long-term climate trends to major factors such as greenhouse gases, ocean circulation, land cover, volcanic aerosols, and solar energy

Learning Objectives

• Explain how gradual geologic processes (weathering, erosion, deposition) reshape Earth’s surface
• Describe how plate tectonics can cause rapid hazards such as earthquakes and volcanic eruptions
• Use geologic evidence (fault features, lava flows, ash/layering) to connect past events to present-day landforms

Learning Objectives

• Explain how vibrating objects produce sound through pressure waves in a medium.
• Relate frequency to pitch and amplitude to loudness.
• Describe how sound transmission depends on the presence of matter (not vacuum).

Learning Objectives

• Understand the basic concepts of solubility and saturation
• Identify factors affecting dissolving processes such as temperature, pressure, and solvent polarity
• Interpret solubility curves and concepts of supersaturation+ Show more

Learning Objectives

• Understand the properties of reflective and emissive surfaces
• Identify how surface properties influence radiative heat exchange
• Analyze the effects of color and coating on solar gain+ Show more

Learning Objectives

• Explain how heritable variation and environmental pressures influence natural selection.
• Identify mechanisms by which populations adapt over generations.
• Describe examples of adaptation, such as antibiotic resistance and beak size variation.+ Show more

Learning Objectives

• Describe the evidence supporting the theory of plate tectonics.
• Explain how geologic features such as mid-ocean ridges and trenches relate to plate movements.
• Identify significance of fossil distribution and rock types in reconstructing past continents.+ Show more

Learning Objectives

• Understand common structural failure modes such as buckling, fatigue, shear, and connection failures.
• Learn how limit states design philosophy, safety factors, and redundancy mitigate failure risks.
• Relate failure mechanisms to geometric, material, and loading characteristics using real-world exemplars.

Learning Objectives

• Understand the role of cellular structures in transport processes.
• Explain how transport proteins, membrane pumps, and hormones regulate body functions.
• Describe how cellular and tissue-level mechanisms maintain homeostasis.+ Show more

Learning Objectives

• Explain what solubility means in science.
• Identify factors that affect how well substances dissolve.
• Understand how temperature influences solubility for solids and gases.+ Show more

Learning Objectives

• Understand the basic principles of the particle model of matter.
• Explain how particle arrangement and motion influence states of matter.
• Describe phenomena like diffusion, evaporation, and condensation using the particle model.+ Show more

Learning Objectives

• Understand how physical and chemical properties can indicate potential reactions.
• Identify signs and evidence of chemical changes during interactions among materials.
• Learn to predict possible products based on reacting substances' properties.+ Show more

Learning Objectives

• Explain how fossils provide evidence of past organisms and environments
• Apply superposition to compare the relative ages of undisturbed rock layers
• Identify how tilting, folding, and faulting alter rock-layer arrangements+ Show more

Learning Objectives

• Explain why usable energy decreases at higher trophic levels.
• Trace energy transfer through a food chain.
• Compare energy flow with matter cycling in ecosystems.+ Show more

Learning Objectives

• Explain how temperature relates to average particle kinetic energy
• Compare samples by temperature and total thermal energy
• Interpret graphs showing relationships between temperature and particle motion+ Show more

Learning Objectives

• Identify conditions on Earth that support known forms of life
• Compare sunlight, water, and atmospheric conditions across planets
• Explain how multiple environmental conditions contribute to habitability+ Show more

Learning Objectives

• Compare shared characteristics used to classify organisms
• Explain why biological classification is an evidence-based model
• Describe bacterial symbiosis and its benefits to plants+ Show more

Learning Objectives

• Identify the main functions of seven major human organ systems
• Compare how body systems provide support, protection, and coordination
• Explain how nervous signals and muscles produce a quick response+ Show more

Learning Objectives

• Understand the concept of a food web and its role in ecosystems.
• Identify various species roles within a food web such as producers, consumers, and decomposers.
• Explain how interconnected feeding relationships contribute to ecosystem stability.+ Show more

Learning Objectives

• Describe the main processes involved in atmospheric energy transfer and circulation.
• Identify the roles of air masses, pressure gradients, and circulation cells in weather patterns.
• Explain how phenomena like fronts, jet streams, and greenhouse gases influence climate variability.+ Show more

Learning Objectives

• Explain the mechanisms of natural selection and how they lead to adaptation in populations.
• Identify sources of genetic variation relevant to evolution.
• Describe how environmental pressures influence reproductive success and trait distribution.+ Show more

Learning Objectives

• Understand the different types of biotic interactions such as predation, competition, mutualism, commensalism, and parasitism.
• Recognize how human activities can disrupt natural biotic relationships and affect ecosystems.
• Explain the importance of biotic relationships in maintaining biodiversity and ecosystem stability.

Learning Objectives

• Identify solutes and solvents in aqueous solutions.
• Explain how adding solvent changes solution concentration.
• Compare temperature, surface area and agitation as dissolving-rate factors.+ Show more

Learning Objectives

• Calculate average speed using total distance and elapsed time
• Select appropriate units for reporting average speed
• Distinguish total distance from displacement in straight-line motion+ Show more