Grade 7 Science Worksheets

Learning Objectives

• Compare embryonic development stages across different taxa to identify conserved features.
• Explain how developmental structures like pharyngeal pouches and limb buds reflect evolutionary relationships.
• Analyze developmental timing and patterning to understand phylogenetic connections among vertebrates.+ Show more

Learning Objectives

• Explain how burial and mineral processes preserve fossil evidence.
• Compare the preservation of hard parts and soft tissues.
• Interpret fossil positions in undisturbed sedimentary rock layers.+ Show more

Learning Objectives

• Compare rocks and minerals using observable properties and consistent tests
• Explain how hardness, lustre, streak, and texture support mineral identification
• Describe the evidence and limitations provided by drilling operations+ Show more

Learning Objectives

• Identify tectonic plates and describe their role in crustal change.
• Compare folding and faulting by explaining their effects on rock layers.
• Explain how crustal movement contributes to earthquakes and volcanoes.+ Show more

Learning Objectives

• Identify igneous, sedimentary, and metamorphic rocks by how they form
• Differentiate weathering, erosion, and deposition using geological examples
• Explain possible pathways through the rock cycle+ Show more

Learning Objectives

• Describe how materials and shapes affect structural strength.
• Develop testable predictions about model-bridge performance.
• Identify variables and hazards in structural investigations.+ Show more

Learning Objectives

• Identify resources and environmental conditions organisms need from habitats.
• Explain how vegetation removal can change habitat conditions.
• Describe feeding, competition, and pollination relationships among organisms.+ Show more

Learning Objectives

• Trace energy transfer among producers, consumers, and decomposers
• Explain how carbon moves through organisms and the environment
• Describe water movement through the water cycle+ Show more

Learning Objectives

• Explain why structures need safety margins under uncertain conditions.
• Compare how shape and bracing improve structural stability.
• Describe how connections transfer forces between structural parts.+ Show more

Learning Objectives

• Compare frame and shell structures by form and function
• Explain how material properties influence structural performance
• Identify potential failure points in structural designs+ Show more

Learning Objectives

• Identify the functions of roots, stems, leaves, and flowers
• Explain how water moves from roots toward plant leaves
• Describe how photosynthesis uses light, water, and carbon dioxide+ Show more

Learning Objectives

• Identify plant products and explain their uses in meeting human needs.
• Compare natural land with managed land used for plant production.
• Interpret crop yield and resource use when evaluating farming practices.+ Show more

Learning Objectives

• Identify applied loads using force arrows in structural examples.
• Distinguish tension, compression, shear, and bending.
• Explain how mass distribution affects structural stability.+ Show more

Learning Objectives

• Compare heating sources by resource needs, safety, and environmental effects
• Explain how insulation and lids reduce unwanted heat loss
• Identify variables needed for a fair heating comparison+ Show more

Learning Objectives

• Describe how pollination and fertilization contribute to seed formation.
• Identify the structures and functions of a flowering plant seed.
• Explain the conditions required for successful seed germination.+ Show more

Learning Objectives

• Compare environmental interventions using scientific evidence and community observations
• Identify intended benefits and unintended consequences of waste-reduction proposals
• Explain how consistent methods improve comparisons of environmental observations+ Show more

Learning Objectives

• Construct a testable prediction about plant growth under different watering conditions
• Identify safe practices for investigating plant-growing methods
• Interpret plant-growth observations and recognize uncertainty in results+ Show more

Learning Objectives

• Describe particle motion and spacing in solids, liquids, and gases.
• Explain how heating and cooling change average particle kinetic energy.
• Distinguish temperature from thermal energy transfer between objects.+ Show more

Learning Objectives

• Compare soil textures and explain their effects on water availability.
• Explain how soil nutrients and organic matter support plant growth.
• Distinguish biological pest control from chemical pest control.+ Show more

Learning Objectives

• Distinguish strength, stiffness, and flexibility during material tests.
• Explain the functions of fixed and movable structural joints.
• Identify variables to control in fair material load tests.+ Show more

Learning Objectives

• Identify energy sources used in common heating technologies.
• Interpret source-to-use diagrams showing energy pathways.
• Explain how thermostats regulate heating systems.+ Show more

Learning Objectives

• Develop testable predictions about environmental questions and design problems
• Compare litter observations collected consistently across sites and dates
• Explain how uncertainty and alternative interpretations affect conclusions+ Show more

Learning Objectives

• Distinguish conduction, convection, and radiation as energy transfer mechanisms.
• Explain how particle interactions transfer thermal energy through solids.
• Describe how moving fluids create convection currents.+ Show more

Learning Objectives

• Compare species distribution and environmental conditions across habitats.
• Distinguish ecological succession from temporary weather-related changes.
• Explain why observations alone may not establish ecological causation.+ Show more

Learning Objectives

• Distinguish heat transfer from temperature measurement.
• Identify variables in a fair insulation investigation.
• Describe safe procedures for measuring water temperature.+ Show more

Learning Objectives

• Develop testable predictions about questions involving ecosystem conditions
• Plan safe and fair investigations using consistent sampling methods
• Interpret patterns in observations and measurements while recognising uncertainty+ Show more

Learning Objectives

• Identify environmental conditions that support known life on Earth.
• Explain how sunlight and liquid water support living organisms.
• Describe how Earth's atmosphere helps regulate planetary conditions.+ Show more

Learning Objectives

• Identify balanced and unbalanced forces in simple force diagrams.
• Calculate net force from forces acting in opposite directions.
• Explain how Newton's first law relates net force to motion.+ Show more

Learning Objectives

• Explain how scientific research can change knowledge or improve technology
• Evaluate scientific sources using authorship, methods, evidence, and purpose
• Identify benefits and limitations of a scientific innovation+ Show more

Learning Objectives

• Identify major solar system objects and distant regions beyond Neptune.
• Explain how gravity influences planetary and lunar orbital motion.
• Distinguish meteoroids, meteors, and meteorites by their characteristics.+ Show more

Learning Objectives

• Identify the main functions of the skeletal and muscular systems.
• Describe how the integumentary system protects the body and regulates temperature.
• Explain how nervous signals coordinate rapid responses to stimuli.+ Show more

Learning Objectives

• Identify producers, consumers, and decomposers in ecosystems.
• Arrange organisms into trophic levels within a food web.
• Explain why usable energy decreases at higher trophic levels.+ Show more

Learning Objectives

• Distinguish conduction, convection, and radiation in everyday situations.
• Explain why net thermal energy transfers from warmer to cooler regions.
• Interpret temperature records showing a region cooling over time.+ Show more

Learning Objectives

• Compare inherited variation in offspring from sexual and asexual reproduction
• Explain how inherited variation contributes to natural selection
• Predict how environmental conditions may change trait frequencies+ Show more

Learning Objectives

• Identify environmental conditions that support known life on Earth.
• Explain how sunlight provides energy for photosynthetic organisms.
• Describe how Earth's atmosphere supports life and regulates temperature.+ Show more

Learning Objectives

• Compare divergent, convergent, and transform plate boundaries.
• Explain how plate interactions form mountains and ocean basins.
• Describe how plate movement can cause earthquakes and volcanic activity.+ Show more

Learning Objectives

• Distinguish observations from investigable questions and design problems.
• Select descriptive, comparative, or experimental investigation methods.
• Identify suitable tools and measurements for an investigation.+ Show more

Learning Objectives

• Explain how fossils provide evidence of past organisms and environments.
• Interpret relative ages of undisturbed sedimentary layers using superposition.
• Describe how folding and faulting affect rock-layer relationships.+ Show more

Learning Objectives

• Distinguish qualitative observations from numerical measurements.
• Select suitable SI units for common scientific measurements.
• Calculate the mean of repeated measurements.+ Show more

Learning Objectives

• Compare patterns observed across separate scientific investigations
• Distinguish recurring associations from evidence supporting a causal explanation
• Identify variables to change and conditions to keep similar in a test+ Show more

Learning Objectives

• Distinguish elements, compounds, and mixtures using particle models.
• Identify elements represented by common chemical symbols.
• Interpret subscripts to determine atom counts in molecular formulas.+ Show more

Learning Objectives

• Distinguish physical changes from chemical changes in matter
• Identify observations that may indicate a chemical reaction
• Explain why boiling bubbles do not prove a chemical reaction+ Show more

Learning Objectives

• Identify testable hypotheses in scientific investigation scenarios.
• Distinguish scientific theories from scientific laws by their roles.
• Evaluate how observations and data support or challenge hypotheses.+ Show more

Learning Objectives

• Describe how scientific models represent objects, systems, and processes
• Compare model predictions with observations collected during investigations
• Identify limitations caused by scale, materials, and missing features+ Show more

Learning Objectives

• Describe how specialized cells perform particular functions.
• Explain how cells form tissues and tissues form organs.
• Identify tissue types that contribute to an organ's function.+ Show more

Learning Objectives

• Identify the main functions of four interacting human body systems.
• Trace how absorbed nutrients travel from the digestive system to cells.
• Explain how oxygen moves from the lungs into body tissues.+ Show more

Learning Objectives

• Describe the main functions of four human body systems.
• Trace how absorbed nutrients travel from the intestine to body cells.
• Explain how oxygen moves from the lungs into the blood.+ Show more

Learning Objectives

• Explain how surface water and groundwater connect within a watershed.
• Predict how paving and land-use changes affect runoff.
• Identify beneficial and harmful human influences on aquatic ecosystems.+ Show more