Grade 7 Science Worksheets

Learning Objectives

• Explain how weathering, erosion, transport, and deposition change Earth’s surface over short and long timescales.
• Differentiate mechanical and chemical weathering and identify their likely effects on landforms and soils.
• Describe how water, wind, ice, and gravity contribute to shaping features such as canyons, coastal cliffs, moraines, and deltas.

Learning Objectives

• Use the heat equation Q = mcΔT to calculate the thermal energy needed to change a substance’s temperature.
• Explain how specific heat capacity relates heat energy, mass, and temperature change.
• Describe how heat-transfer rate depends on area, temperature gradient, and time.+ Show more

Learning Objectives

• Explain how gravity is a force that attracts objects and affects motion near Earth
• Differentiate between mass and weight and describe how weight depends on gravity
• Predict and interpret changes in an object’s motion as gravity accelerates it

Learning Objectives

• Describe the role of the nucleus in a cell's activities.
• Explain how chromosomes and DNA relate to gene expression.
• Identify the functions of the nuclear envelope and nuclear pores.+ Show more

Learning Objectives

• Explain how convection transports heat through fluid motion driven by density changes
• Compare natural convection and forced convection using real-world examples (atmosphere, reservoirs, HVAC)
• Use boundary layer and buoyancy ideas to describe flow patterns and seasonal temperature changes

Learning Objectives

• Understand the role of the nucleus in cellular activities.
• Identify the components of the nucleus and their functions.
• Explain how nuclear processes influence cell growth and response.+ Show more

Learning Objectives

• Explain how erosion detaches sediment and how transport moves sediment by water, wind, ice, and gravity
• Describe how transport energy and distance affect grain size and sorting in sedimentary records
• Interpret landscape history using clues such as graded bedding, till, moraines, loess, and dunes

Learning Objectives

• Describe how chemical properties determine how substances behave during chemical changes.
• Identify observable indicators of chemical reactions, including gas evolution, color change, and precipitate formation.
• Explain relationships among reactivity, combustion, oxidation/corrosion, and pH-related transformations.

Learning Objectives

• Explain how physical, chemical, and biological weathering break down rock at Earth’s surface.
• Describe how freeze-thaw cycles, thermal expansion, and abrasion contribute to physical weathering.
• Connect oxidation, hydrolysis, and dissolution to chemical changes in minerals.+ Show more

Learning Objectives

• Distinguish physical properties from chemical properties using qualitative and quantitative descriptors.
• Use measurable property data (density, melting point, solubility, conductivity) to compare and identify materials.
• Explain how reactivity and flammability indicate chemical change risk during temperature or contact.

Learning Objectives

• Understand how plate tectonics cause earthquakes and volcanic activity.
• Identify evidence of geologic processes like faults and lava flows.
• Explain how Earth's surface changes over time through natural processes.

Learning Objectives

• Use energy bookkeeping to track how motion energy changes during real events
• Explain energy transfers into and out of an object using qualitative and quantitative reasoning
• Connect changes in kinetic energy to thermal, sound, and other energy forms

Learning Objectives

• Understand how cells group into tissues, organs, and systems.
• Identify the functions of different tissue types such as epithelial, muscle, and nervous tissue.
• Describe how multicellular organization supports organism functions and specialization.

Learning Objectives

• Understand different types of data used in scientific studies (categorical and numerical).
• Learn how to organize data systematically using tables and logs.
• Recognize standards for metadata, timestamps, and documentation to ensure data credibility.+ Show more

Learning Objectives

• Explain how system models show energy inputs, useful outputs, and waste heat using energy flow diagrams or Sankey-style arrows.
• Use energy accounting ideas to describe conservation of energy in mechanical and industrial systems.
• Identify major sources of energy loss and describe how conversion efficiency is determined from an energy flow.+ Show more

Learning Objectives

• Understand what adaptations are and how they improve survival.
• Identify different types of evidence that support the existence of adaptations.
• Analyze how environmental changes influence traits in populations.+ Show more

Learning Objectives

• Define density, strength, stiffness, ductility, toughness, and thermal expansion
• Distinguish tensile strength from compressive strength in structural materials
• Compare wood, steel, and reinforced concrete properties+ Show more

Learning Objectives

• Explain how the rock cycle creates different rock types and how each can be preserved in the rock record.
• Use sedimentary stratigraphy and fossil evidence to interpret relative changes in Earth’s surface and environments.
• Compare relative and absolute dating methods, including index fossils and radiometric decay.

Learning Objectives

• Describe the mechanisms of heat transfer: conduction, convection, and radiation.
• Identify examples of heat transfer in real-world situations.
• Explain measurable evidence of energy transfer such as temperature change and rate differences.+ Show more

Learning Objectives

• Understand different measures of biodiversity such as species richness and evenness.
• Learn how to interpret diversity values in various habitats.
• Recognize the ecological implications of high and low biodiversity.+ Show more

Learning Objectives

• Explain how limited resources affect survival and reproduction in ecosystems
• Describe how changes in food, water, space, and shelter can change population size over time
• Connect resource availability to why organisms do not maintain the same numbers in every habitat

Learning Objectives

• Understand how latitude influences Earth's climate patterns.
• Identify the impact of Earth's tilt and position relative to the equator.
• Explain the connection between latitude and temperature variations.

Learning Objectives

• Explain how evaporation and cooling lead to crystallization and the formation of crystals from solution.
• Describe nucleation and crystal growth and how they affect crystal size and shape.
• Identify how impurities and process conditions (evaporation rate and cooling profile) influence crystal purity and yield.+ Show more

Learning Objectives

• Understand how microscopy reveals cellular structures in plant and animal tissues.
• Identify differences between unicellular and multicellular organisms based on microscopic evidence.
• Compare cellular features such as cell boundaries, plasma membranes, and cell walls in different organisms.+ Show more

Learning Objectives

• Use physical and chemical properties to predict whether a substance is likely to react in a given situation.
• Identify evidence of chemical change (new substances formed) and relate it to energy changes.
• Apply property trends such as reactivity with oxygen, acid–base behavior, flammability, and solubility to anticipate products.

Learning Objectives

• Understand how different building materials behave under compression, tension, and bending.
• Compare timber, steel, and reinforced concrete regarding strength, stiffness, and environmental resilience.
• Analyze how material behavior influences long-term performance and maintenance in local climates.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how superposition can be used to order rock layers by relative age.
• Use cross-cutting relationships to determine whether a feature formed before or after another feature.
• Construct a relative geologic history using multiple lines of rock evidence.

Learning Objectives

• Understand what fitness means in biological terms
• Identify traits that support survival and reproduction in specific environments
• Recognize how changing environments influence trait selection+ Show more

Learning Objectives

• Understand the particle model as a representation of matter.
• Explain how bonds between particles change during chemical reactions.
• Describe why mass remains constant during chemical changes.+ Show more

Learning Objectives

• Identify independent and dependent variables in experiments
• Understand the importance of controlled variables
• Interpret data from tables and graphs using the concepts of variables+ Show more

Learning Objectives

• Identify major cell organelles and describe their functions.
• Contrast organelle structures such as nucleus, mitochondria, chloroplasts, and cell membranes.
• Explain how cellular structures support tissue, organ, and organismal functions.+ Show more

Learning Objectives

• Explain how energy changes occur during chemical reactions.
• Differentiate between exothermic and endothermic reactions based on energy transfer.
• Describe the link between energy exchange and bond breaking and formation.+ Show more

Learning Objectives

• Understand the importance of water as a vital resource in ecosystems.
• Identify how resource availability affects organism survival and reproduction.
• Analyze the relationship between resource abundance/scarcity and population changes.

Learning Objectives

• Explain how insulation reduces heat transfer by limiting conduction, convection, and radiation.
• Compare insulating materials (fibreglass, foam, and reflective foils) based on their thermal resistance and practical thickness.
• Describe how thermal bridging, air leakage, and continuous insulation affect the total heat loss of building envelopes.+ Show more

Learning Objectives

• Understand the geological evidence supporting plate tectonics and continental movement.
• Identify features such as seafloor structures, earthquakes, and volcanoes that indicate plate activity.
• Explain how fossil distributions and rock types record past continental positions.+ Show more

Learning Objectives

• Explain how walls, roofs, windows, and foundations contribute to a building’s thermal performance.
• Describe how thermal bridging and air infiltration affect heat loss and heat gain.
• Identify how insulation placement, continuous barriers, and ventilation work together to manage energy use.+ Show more

Learning Objectives

• Explain how functional requirements and constraints guide design choices.
• Use performance objectives (such as load capacity and stiffness) to compare solution options.
• Apply decision matrices and sketching to select preferred designs using criteria and trade-offs.

Learning Objectives

• Explain how internal structures and external features help organisms survive, grow, and reproduce
• Identify how different traits increase an organism’s chance of obtaining resources and avoiding danger
• Use functional relationships to describe how structures support transport, digestion, and coordination

Learning Objectives

• Explain how specialized cell structures help cells perform specific functions in the body
• Match common specialized cells (red blood cells, neurons, root hair cells) to their main roles
• Describe how cell specialization supports tissue and organ function in organisms+ Show more

Learning Objectives

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

Learning Objectives

• Understand how cells group together to form tissues.
• Identify different types of tissues and their functions.
• Explain how tissues combine to create organs.+ Show more

Learning Objectives

• Explain conservation of mass in a closed system during physical and chemical changes.
• Use reactants and products to predict mass relationships in sealed-container reactions.
• Interpret experimental observations to support the idea that atoms are conserved.

Learning Objectives

• Understand different ecological monitoring techniques
• Recognize the importance of consistent data collection
• Learn how monitoring data is used to track ecological changes

Learning Objectives

• Understand how environmental factors influence phenotypic traits
• Identify examples of environmental effects on traits
• Distinguish between inherited traits and environmentally influenced traits

Learning Objectives

• Distinguish elements from compounds using atomic composition and bonding
• Explain how chemical formulas represent fixed ratios of atoms in compounds
• Predict how macroscopic properties (like conductivity and melting point) can change when elements form compounds

Learning Objectives

• Understand the mechanisms by which various materials reduce heat transfer in buildings.
• Identify different insulating materials and compare their thermal resistance and practical usage.
• Explain concepts such as thermal bridging, air leakage, and continuous insulation in building design.+ Show more

Learning Objectives

• Explain how sound waves affect loudness and how distance changes perceived intensity.
• Describe how reflection and absorption of sound influence echoes and intensity.
• Connect amplitude and frequency to the brain’s perception of volume (loudness) and pitch.