Grade 7 Science Worksheets

Learning Objectives

• Describe the different types of weathering and how they affect rocks and landscapes.
• Explain the factors that influence weathering rates and landform development.
• Identify examples of physical, chemical, and biological weathering processes.+ Show more

Learning Objectives

• Describe the processes of erosion by water, glaciers, wind, and gravity.
• Identify the distinctive sedimentary signatures produced by different agents of erosion.
• Explain how transport distance and energy influence grain size and sorting.+ Show more

Learning Objectives

• Understand how different organ systems work together to perform vital functions.
• Identify the structures involved in the circulatory, respiratory, and digestive systems.
• Describe how tissues and organs coordinate within each organ system.+ Show more

Learning Objectives

• Explain the process of active transport and how it differs from passive diffusion.
• Identify cellular structures involved in active transport such as pumps and vesicles.
• Describe the role of the sodium-potassium pump in maintaining cellular functions.+ Show more

Learning Objectives

• Understand the concept of carrying capacity and its significance in ecosystems.
• Identify the factors that influence an environment's carrying capacity.
• Analyze how populations fluctuate around the carrying capacity in natural systems.+ Show more

Learning Objectives

• Describe the structure and function of mitochondria in cellular energy production.
• Explain the process of cellular respiration and how it produces ATP.
• Identify different cell types that have high mitochondrial activity.

Learning Objectives

• Explain the processes involved in mountain building, including orogeny and crustal deformation.
• Describe how surface processes like erosion and isostatic adjustment shape mountain landscapes.
• Identify different types of mountain formation features such as mountain belts, volcanic arcs, and metamorphic cores.+ Show more

Learning Objectives

• Understand key conservation strategies used to protect ecosystems and biodiversity.
• Identify different methods such as habitat protection, restoration, and species management.
• Analyze the importance of adaptive approaches in conservation efforts.+ Show more

Learning Objectives

• Describe the four main tissue types and their functions.
• Identify different tissue types in diagrams and descriptions.
• Explain how tissue organization affects organ function.+ Show more

Learning Objectives

• Describe the main functions of the cell nucleus.
• Explain how genetic material is organized and regulated within the nucleus.
• Identify structures involved in the transport of RNA and proteins in and out of the nucleus.+ Show more

Learning Objectives

• Explain the function of chloroplasts in plant cells and protists.
• Describe the process of photosynthesis including the role of thylakoid membranes and pigments.
• Identify where carbon fixation occurs within the chloroplast.+ Show more

Learning Objectives

• Describe how cells communicate through chemical and electrical signals.
• Explain the role of receptor proteins, gap junctions, and plasmodesmata in cell communication.
• Identify processes like signal amplification and feedback regulation involved in cell signaling.+ Show more

Learning Objectives

• Understand the different force systems that drive plate motion within the Earth
• Explain mantle convection, slab pull, and ridge push and their roles in plate tectonics
• Describe how these mechanisms influence plate velocity, direction, and episodic tectonic events+ Show more

Learning Objectives

• Understand the three main boundary types and their characteristics
• Identify landforms and processes associated with divergent, convergent, and transform boundaries
• Explain how boundary interactions lead to seismicity, volcanic activity, and uplift or subsidence+ Show more

Learning Objectives

• Understand the processes involved in the rock cycle, including weathering, erosion, sedimentation, metamorphism, melting, and solidification.
• Identify how tectonic activity and surface processes interact to transform rocks and recycle Earth's materials.
• Describe the role of different geological environments in the formation and transformation of rocks.+ Show more

Learning Objectives

• Understand the principles of relative dating such as superposition, original horizontality, and cross-cutting relationships.
• Identify key features like fossils, unconformities, and intrusions as markers for correlating rock layers.
• Analyze stratigraphic data to interpret the sequence of Earth's geological events.+ Show more

Learning Objectives

• Describe the cyclic patterns produced by the relative motions of the Sun, Earth, and Moon.
• Explain how orbital geometry and axial tilt influence day-night cycles and phases.
• Connect observational records to predictable patterns in the solar system.+ Show more

Learning Objectives

• Describe how exponential and logistic population models differ and what each implies about resource limits and carrying capacity.
• Explain how density-dependent and density-independent factors affect population growth rates over time.
• Use population models to interpret patterns in real ecosystems and make simple predictions.

Learning Objectives

• Analyze test data to identify factors affecting design performance.
• Refine parameters iteratively using quantitative comparisons.
• Apply evidence-based justifications to improve design solutions within constraints.+ Show more

Learning Objectives

• Understand the mechanisms that lead to speciation and increased biodiversity.
• Identify examples of speciation such as allopatric divergence and polyploidy.
• Explain how environmental changes influence the formation of new species.+ Show more

Learning Objectives

• Explain how friction opposes motion and how surface roughness affects resistance.
• Describe how gravity acts as a long-range force and influences objects in free fall.

Learning Objectives

• Understand the law of conservation of mass and its fundamental principles.
• Apply mass accounting to chemical and physical processes in closed systems.
• Recognize how balancing chemical equations relates to mass conservation.+ Show more

Learning Objectives

• Understand what an ecosystem is and its key components.
• Learn how ecosystems respond to disturbances.
• Recognize factors that contribute to ecosystem resilience.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how different components of a building envelope contribute to thermal performance.
• Identify key indicators used to assess envelope efficiency and performance.
• Compare retrofit approaches like sealing and layered insulation to improve energy efficiency.+ Show more

Learning Objectives

• Understand the importance of ethical considerations in STEM communication.
• Identify responsible practices for data sharing and attribution.
• Recognize conventions for transparent reporting and graphical annotation.+ Show more

Learning Objectives

• Understand systematic data recording methods used in scientific research.
• Identify different data structures including categorical and numerical.
• Learn standards for metadata, annotations, and time-series data documentation.+ Show more

Learning Objectives

• Understand the principles of measurement accuracy and precision.
• Identify sources of systematic and random measurement errors.
• Learn techniques for estimating and reporting measurement uncertainty.+ Show more

Learning Objectives

• Understand the key concepts of modeling and simulation in science.
• Identify different types of models and their purposes.
• Explain the importance of assumptions, scaling, and validation in modeling.+ Show more

Learning Objectives

• Explain how models use abstraction and assumptions to represent real-world systems.
• Identify key parameters, units, and variables used in simple numerical models.
• Describe how scientists validate models using empirical observations and evaluate when predictions are reliable.

Learning Objectives

• Identify independent, dependent, and controlled variables in an experiment and explain how each is used to test cause and effect.
• Write operational definitions and select appropriate control conditions for a fair and reproducible experiment.
• Plan data collection methods and sample sizes that support valid comparisons.+ Show more

Learning Objectives

• Explain how phenotype can result from interactions between genotype and environmental factors.
• Identify real-world examples of environmental influences on traits (nutrition, UV exposure, temperature).
• Distinguish inherited genetic contributions from environmental modulation using evidence-based claims.

Learning Objectives

• Explain how light energy is converted into chemical energy during photosynthesis.
• Describe the process of cellular respiration and how organisms harvest energy from food.
• Connect the roles of chloroplasts and mitochondria in energy transfer within cells.+ Show more

Learning Objectives

• Describe observable indicators of chemical reactions such as gas production, precipitate formation, color change, and temperature change.
• Connect qualitative evidence of chemical reactions to changes in mass and energy.
• Identify common reaction types like acid–carbonate effervescence and precipitation based on observable evidence.+ Show more

Learning Objectives

• Explain how wetlands store and release water that affects regional hydrology.
• Describe how wetlands cycle nutrients and help improve water quality.
• Connect wetland habitats to biodiversity, including amphibians and migratory birds.+ Show more

Learning Objectives

• Differentiate physical changes from chemical changes by analyzing what happens to matter.
• Identify indicators of chemical changes, such as gas production, precipitate formation, and temperature/color changes.
• Classify common examples as physical or chemical changes and justify the classification.

Learning Objectives

• Define and differentiate between thermal energy and temperature.
• Identify common sources of thermal energy in natural and built environments.
• Explain the concept of heat flow from higher to lower internal energy.+ Show more

Learning Objectives

• Understand different models that represent potential energy stored in systems.
• Identify how changes in object arrangement affect stored energy.
• Recognize examples of gravitational, elastic, and magnetic potential energy.+ Show more

Learning Objectives

• Construct and interpret graphs showing the relationship between kinetic energy, potential energy, mass, and speed.
• Analyze how changes in mass and speed affect kinetic energy using real-world examples.
• Calculate kinetic energy based on given mass and velocity data.+ Show more

Learning Objectives

• Compare scaled physical models, digital finite-element models, and laboratory load rigs for testing strength, stiffness, and failure modes
• Explain how instrumentation such as strain gauges and displacement transducers helps quantify structural response
• Describe limitations of prototyping, including scaling issues for material heterogeneity and joint behavior+ Show more

Learning Objectives

• Understand the principle that matter is conserved during chemical reactions.
• Recognize how atoms rearrange during reactions without changing the total mass.
• Explain the concept of a closed system in mass conservation.

Learning Objectives

• Explain how energy flows through producers, consumers, and decomposers in a food web
• Describe how food webs are more resilient than simple food chains due to redundancy and alternative pathways
• Predict how changes to one species can cascade through multiple relationships in an ecosystem+ Show more

Learning Objectives

• Describe how heat energy moves through conduction, convection, and radiation.
• Relate energy transfer mechanisms to phenomena such as thermal conductivity differences, convective currents, and radiant heating.
• Explain the relationship between temperature gradients, specific heat, and phase changes in matter.

Learning Objectives

• Explain how thermal energy moves from warmer objects to cooler ones using models of heat transfer
• Differentiate conduction, convection, and radiation as three ways heat can travel
• Use temperature differences to predict the direction of heat transfer in everyday situations+ Show more

Learning Objectives

• Define thermal expansion and contraction
• Identify examples of thermal effects in everyday objects
• Explain how particle motion influences material properties+ Show more

Learning Objectives

• Identify different types of thermometers and understand their basic functions
• Understand the principles of temperature measurement
• Recognize the importance of calibration and environmental influences on temperature readings+ Show more

Learning Objectives

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

Learning Objectives

• Identify the main components of a building envelope including walls, roofs, windows, and foundations.
• Understand how different components contribute to thermal performance and energy efficiency.
• Describe the significance of interfaces, thermal bridging, and air infiltration in building insulation.+ Show more