Grade 7 Science Worksheets

Learning Objectives

• Explain how internal transport systems move nutrients from where they are obtained to body tissues that use them.
• Describe the roles of digestion, circulation, and cellular use of nutrients in maintaining organism function.
• Identify how organisms remove unusable materials as waste during transport.

Learning Objectives

• Describe the relationships between living organisms and non-living elements in ecosystems.
• Identify how environmental factors influence resource access, shelter, and survival.
• Explain cause-and-effect links that shape community patterns across regions.+ Show more

Learning Objectives

• Describe motion using distance, time, and speed, including correct units
• Calculate average speed using distance and time and interpret results
• Identify common sources of measurement error and explain how they affect motion data+ Show more

Learning Objectives

• Understand how different materials conduct heat through their atomic structure.
• Compare thermal conduction in metals, ceramics, polymers, and composites.
• Explain how free electrons and lattice vibrations contribute to heat transfer.+ Show more

Learning Objectives

• Understand the purpose of physical models in science.
• Identify how physical models represent real objects.
• Learn how models translate observations into predictions.+ Show more

Learning Objectives

• Identify major eukaryotic cell organelles (nucleus, mitochondria, chloroplasts, and cell membrane) and describe their primary functions.
• Explain how organelle specialization supports cell survival and contributes to tissue and organ performance in multicellular organisms.
• Connect cellular energy capture in producers (photosynthesis) versus consumers (cellular respiration) to larger-scale ecological interactions.

Learning Objectives

• Understand the concept of a keystone species and its importance in ecosystems.
• Identify different types of keystone species, such as predators and engineers.
• Explain the effects of removing a keystone species from an ecosystem.+ Show more

Learning Objectives

• Understand the concept of active transport and how it moves molecules against concentration gradients.
• Identify the types of cellular energy used in active transport, such as ATP.
• Learn about membrane proteins called pumps and their role in active transport.+ Show more

Learning Objectives

• Analyze test data to identify factors affecting design performance.
• Refine parameters iteratively to improve design solutions within constraints.
• Use quantitative comparisons to justify design modifications based on performance data.+ Show more

Learning Objectives

• Classify substances as elements, compounds, or mixtures
• Compare homogeneous and heterogeneous mixtures using observable evidence
• Select appropriate physical methods for separating mixtures+ Show more

Learning Objectives

• Identify questions that can be tested through scientific investigation
• Classify questions as investigable, opinion, yes/no, or too broad
• Select focused questions suitable for scientific investigation+ Show more

Learning Objectives

• Identify independent, dependent, and controlled variables in scientific investigations.
• Explain why a controlled investigation is a fair test.
• Construct hypotheses using a clear if-then-because format.+ Show more

Learning Objectives

• Define plate tectonics using accurate Earth science vocabulary.
• Identify tectonic plates as large, moving pieces of Earth’s lithosphere.
• Distinguish continental crust from oceanic crust.+ Show more

Learning Objectives

• Define density as mass packed into a given volume
• Identify and compare mass, volume, density, and material
• Calculate density using mass divided by volume+ Show more

Learning Objectives

• Classify observations as weather events or climate patterns
• Compare short-term weather observations with long-term climate patterns
• Interpret given numerical information about weather and climate+ Show more

Learning Objectives

• Identify weathering as the breakdown of rock at Earth's surface
• Distinguish physical weathering from chemical weathering
• Classify examples of weathering, erosion, and deposition+ Show more

Learning Objectives

• Explain how thrust helps an object move forward
• Identify engines and the energy sources they use
• Compare propeller designs and explain effects on thrust+ Show more

Learning Objectives

• Identify appropriate metric units for common scientific measurements.
• Convert between common metric units accurately.
• Compare measurements using correct mathematical symbols.+ Show more

Learning Objectives

• Identify the principle of conservation of matter
• Explain why matter is not created or destroyed during changes
• Compare matter before and after physical or chemical changes+ Show more

Learning Objectives

• Identify major components of weather and the atmosphere
• Explain how air pressure differences cause wind
• Sequence cloud and precipitation formation processes+ Show more

Learning Objectives

• Identify Earth's four main layers by name and position
• Compare the composition and physical state of Earth's layers
• Order Earth's layers from the surface to the center+ Show more

Learning Objectives

• Identify whether a question can be investigated scientifically.
• Explain why evidence supports scientific investigations.
• Improve opinion questions into testable scientific questions.+ Show more

Learning Objectives

• Define force, balanced forces, unbalanced forces, and net force
• Identify whether forces cancel or produce a nonzero net force
• Determine whether a force situation is balanced or unbalanced+ Show more

Learning Objectives

• Classify examples as contact or non-contact forces
• Identify magnetic, electric, or neither force in everyday situations
• Predict attraction or repulsion between magnets and charged objects+ Show more

Learning Objectives

• Identify key vocabulary related to earthquakes and volcanic activity
• Explain how tectonic plate movement can cause earthquakes
• Describe how stress builds and energy is released along faults+ Show more

Learning Objectives

• Identify scientific models and distinguish them from real systems
• Explain what scientific models represent and simplify
• Interpret information shown by diagrams and scientific models+ Show more

Learning Objectives

• Identify potential energy, kinetic energy, and situations showing both
• Explain how potential and kinetic energy change during motion
• Compare gravitational potential energy using height and mass information+ Show more

Learning Objectives

• Identify that all matter is made of tiny particles
• Distinguish tiny particles from visible pieces of matter
• Compare particle arrangement and movement in three states+ Show more

Learning Objectives

• Identify reactants, products, and evidence of chemical reactions
• Classify everyday changes as physical or chemical changes
• Interpret observations that indicate a chemical reaction occurred+ Show more

Learning Objectives

• Identify solids, liquids, and gases from their observable properties
• Compare particle arrangement and movement in the three states
• Explain how shape and volume differ among states of matter+ Show more

Learning Objectives

• Identify common metric units for length, mass, volume, and temperature.
• Choose appropriate measuring tools for everyday measurement tasks.
• Compare and convert simple metric measurements accurately.+ Show more

Learning Objectives

• Identify human activities that affect Earth's four major systems
• Classify environmental changes as natural or human-caused
• Trace cause-and-effect chains across multiple Earth systems+ Show more

Learning Objectives

• Identify temperature as related to average kinetic energy of particles
• Compare objects using given temperature values
• Explain how particle motion relates to temperature+ Show more

Learning Objectives

• Identify testable questions and key parts of investigations
• Distinguish independent, dependent, and controlled variables
• Construct predictions and organize fair-test procedures+ Show more

Learning Objectives

• Identify testable questions and key parts of investigations
• Distinguish independent, dependent, and controlled variables
• Construct predictions and organize fair-test procedures+ Show more

Learning Objectives

• Identify testable questions from scientific investigation scenarios
• Distinguish independent, dependent, and controlled variables
• Select suitable materials and procedures for fair tests+ Show more

Learning Objectives

• Identify evaporation, condensation, precipitation, and collection.
• Match water-cycle processes with accurate definitions and examples.
• Recognize water-cycle processes in familiar everyday scenarios.+ Show more

Learning Objectives

• Identify objects that are matter based on mass and occupied space.
• Classify materials as solids, liquids, or gases using observable properties.
• Compare materials using common physical properties.+ Show more

Learning Objectives

• Identify the geosphere, hydrosphere, atmosphere, and biosphere.
• Classify real-world examples into Earth's four major systems.
• Explain how matter and energy move between Earth systems.+ Show more

Learning Objectives

• Identify gravity as a force that attracts objects with mass
• Explain why objects fall toward Earth due to gravity
• Distinguish between mass and weight in scientific scenarios+ Show more

Learning Objectives

• Define a system and identify its boundary and surroundings
• Identify common forms of energy in everyday situations
• Explain how energy moves between objects within a system+ Show more

Learning Objectives

• Identify changes in size, shape, or state as physical changes
• Classify examples as physical changes or non-physical changes
• Describe observable changes before and after a physical change+ Show more

Learning Objectives

• Evaluate how different biodiversity management strategies affect species persistence and ecosystem services.
• Compare trade-offs among protected areas, habitat corridors, restoration, invasive species control, and sustainable harvest.
• Use evidence from case examples to predict benefits and unintended consequences for pollination, water purification, and food provisioning.

Learning Objectives

• Identify and understand the conventions used in technical drawings and diagrams.
• Recognize standardized symbols, units, and labels used in engineering documentation.
• Explain the importance of clarity and unambiguity in technical communication.+ Show more

Learning Objectives

• Distinguish physical and chemical properties of materials with descriptive attributes.
• Identify measurable properties such as density, melting point, solubility, electrical conductivity, reactivity, and flammability.
• Analyze property data to aid in material identification and separation strategies.+ Show more

Learning Objectives

• Understand how probability concepts apply to genetic inheritance and predict offspring traits using Punnett squares.
• Calculate expected genotype and phenotype ratios for monohybrid crosses involving dominant and recessive alleles.
• Connect outcomes of Punnett squares to the probability of inheritance and extend predictions to larger populations.+ Show more

Learning Objectives

• Understand how probability concepts predict genetic variation among offspring.
• Apply Punnett squares to determine genotype and phenotype ratios.
• Interpret probability outcomes in monohybrid crosses and larger populations.+ Show more

Learning Objectives

• Explain how structural members respond to loads through bending, shear, axial force, and torsion.
• Relate geometry and support conditions to internal force distribution in beams and columns.
• Describe the effects of bending moment and shear force on deflection and serviceability.+ Show more