Grade 7 Science Worksheets

Learning Objectives

• Identify and differentiate between physical and chemical properties of materials with examples.
• Analyze data related to density, melting point, solubility, electrical conductivity, reactivity, and flammability to classify materials.
• Understand how measurable properties support material identification and separation techniques.+ Show more

Learning Objectives

• Explain how energy transfers from a higher-energy system to a lower-energy system
• Describe how energy can transform and cause observable changes such as temperature, motion, or light
• Differentiate common energy transfer processes (radiation, conduction, convection) using examples

Learning Objectives

• Explain how beams and cantilevers respond to loads through bending and shear and how these affect deflection and serviceability.
• Describe how axial force and torsion act in structural members like columns and truss bars, and compare dominant internal-force types.
• Relate geometry (span/shape) and support/load placement to internal force distribution in roof trusses and cantilevered balconies.

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

• 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

Learning Objectives

• Use the principles of superposition and cross-cutting relationships to place geologic events in order.
• Explain how geologists infer relative ages of rock layers and features without exact numeric dates.
• Identify which rock relationships indicate older versus younger formations in a geologic history.

Learning Objectives

• Explain how energy transfers from a higher-energy object or system to a lower-energy one.
• Describe how energy can change form (transform) during an energy transfer.
• Connect energy transfers to observable effects such as temperature change, motion, or light emission.+ Show more

Learning Objectives

• Explain how the law of superposition helps determine the relative order of rock layers
• Use cross-cutting relationships to determine which geologic features are younger
• Interpret unconformities and faults to construct a relative geologic time sequence

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

• Explain how relative dating uses rock layers and observable relationships to determine the order of geologic events.
• Use the principles of superposition and cross-cutting relationships to infer which features formed first and which formed last.
• Construct a simple relative geologic history from rock observations when absolute ages are not available.

Learning Objectives

• Explain how empirical investigations (observations and measurements) help build scientific knowledge.
• Describe how evidence and peer community evaluation can support, refine, or replace scientific explanations.
• Use the idea of uncertainty to explain why scientific models can change when new data appear.

Learning Objectives

• Use probability to predict expected genotype and phenotype ratios from a monohybrid cross
• Connect Punnett square outcomes to the likelihood of offspring inheriting specific alleles
• Explain how larger populations tend to better match expected genetic ratios+ Show more

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

• Use balanced chemical equations to relate the mole amounts of reactants and products.
• Solve simple mole-ratio problems to predict relative mass or amount changes in reactions.
• Apply the conservation of atoms to check whether calculated quantities are consistent with a balanced equation.

Learning Objectives

• Understand the concept of mole ratios and how they relate to balanced chemical equations.
• Apply ratio reasoning to calculate amounts of reactants and products in chemical reactions.
• Use conservation principles to predict reagent needs and product yields.+ Show more

Learning Objectives

• Explain how gravitational force, weight, and inertia relate to motion near Earth
• Differentiate gravity from support forces (normal forces) and describe when they balance or do not balance
• Use Newton’s ideas of net force to predict how objects move when support forces change

Learning Objectives

• Identify observable indicators that a chemical reaction has occurred.
• Explain how gas production, precipitate formation, color change, and temperature change serve as evidence of new substances.
• Distinguish chemical changes from reversible physical changes using conservation of mass in sealed systems.

Learning Objectives

• Explain how matter and energy move through ecosystems using producers, consumers, and decomposers.
• Describe how energy is transferred through food chains and webs and why less energy reaches higher trophic levels.
• Connect metabolism and heat loss to the decreasing amount of usable energy at each trophic level.

Learning Objectives

• Describe how heritable variation and environmental pressures influence natural selection and adaptation.
• Explain how differential survival and reproduction lead to changes in trait distributions over generations.
• Identify examples of adaptation, such as antibiotic resistance and beak size variation in finches.+ Show more

Learning Objectives

• Understand the basic structure of plant and animal cells
• Identify parts of a cell under a microscope
• Differentiate between unicellular and multicellular organisms+ Show more

Learning Objectives

• Define states of matter in terms of particle arrangement and particle motion (energy).
• Describe and distinguish phase changes: melting, freezing, vaporization, condensation, and sublimation.
• Explain how temperature and pressure affect phase transitions, including boiling point changes with atmospheric pressure.+ Show more

Learning Objectives

• Observe plant epidermis cells under a microscope.
• Identify cell boundaries such as plasma membranes and cell walls.
• Differentiate between unicellular and multicellular organisms.+ Show more

Learning Objectives

• Use microscope observations to explain how cells are discrete units in living organisms.
• Compare unicellular and multicellular organization using examples like paramecium and onion epidermis.
• Identify evidence of cell boundaries (plasma membranes, cell walls) and describe how cells form tissues and organs.

Learning Objectives

• Explain the mechanisms of natural selection and how they lead to adaptation in populations.
• Identify key sources of genetic variation and describe their roles in evolution.
• Analyze how environmental pressures influence the survival and reproductive success of organisms.

Learning Objectives

• Observe plant epidermis, animal epithelial tissue, and protists under a microscope to identify cellular structures.
• Compare cellular features such as cell boundaries, plasma membranes, and cell walls.
• Distinguish between unicellular and multicellular organisms based on microscopic observations.+ Show more

Learning Objectives

• Explain how heritable variation and environmental pressures can change trait frequencies in populations over generations.
• Describe how differential survival and reproduction lead to adaptation.
• Use examples (such as antibiotic resistance and island finch beak variation) to interpret natural selection.

Learning Objectives

• Identify observable signs indicating a chemical reaction has occurred
• Differentiate between physical changes and chemical changes based on indicators
• Understand examples of chemical reactions such as rusting, combustion, and neutralization

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

• Describe how microscopy reveals cells in living things
• Compare unicellular and multicellular organization using biological examples
• Explain cell walls and plasma membranes in microscopy observations+ Show more

Learning Objectives

• Understand how microscopy provides evidence for cellular organization in organisms.
• Identify differences between unicellular and multicellular organisms through observations of plant and protist cells.
• Recognize cellular features such as cell boundaries, plasma membranes, and cell walls in microscopic images.+ Show more

Learning Objectives

• Explain how heritable variation influences trait frequencies over generations
• Identify how environmental pressures affect survival and reproduction
• Explain how differential survival and reproduction can produce adaptation+ Show more

Learning Objectives

• Use microscopy observations to explain how cells provide direct evidence that organisms are made of discrete cellular units
• Compare unicellular and multicellular organization using cell boundaries, tissues, and examples such as onion epidermis and protists
• Interpret cell structures (cell walls, plasma membranes, nuclei, cytoplasm, vacuoles) and connect them to what is seen under a microscope

Learning Objectives

• Explain how gravitational force relates to an object's mass and how it affects motion near Earth.
• Describe how support forces (normal forces) balance weight for objects at rest, and predict what happens when support changes.
• Use evidence and vocabulary such as weight, gravitational force, normal force, and acceleration correctly.

Learning Objectives

• Understand how microscopy reveals cellular structures in plant and animal tissues
• Differentiate between unicellular and multicellular organisms based on cellular organization
• Identify anatomical examples like onion epidermis and protists such as paramecia+ Show more

Learning Objectives

• Understand the key factors that influence Earth's climate patterns.
• Differentiate between weather and climate and their long-term significance.
• Identify how ocean processes and atmospheric circulation affect regional climate.+ Show more

Learning Objectives

• Understand the mechanisms of natural selection and how genetic variation contributes to adaptation.
• Identify examples of selective pressures and how they influence population traits.
• Explain the process by which traits become more or less common over generations due to environmental factors.+ Show more

Learning Objectives

• Identify the independent variable, dependent variable, and controlled variables in a scientific investigation.
• Use tables and graphs to explain how the dependent variable changes in response to the independent variable.
• Describe how controlling variables improves the fairness and trustworthiness of experimental results.

Learning Objectives

• Understand the mechanisms of natural selection and how they lead to adaptation.
• Identify key factors like genetic variation and environmental pressures in evolution.
• Analyze examples of adaptation, such as beak size variation in finches and antibiotic resistance in bacteria.+ Show more

Learning Objectives

• Explain how heritable variation and environmental pressures can change trait frequencies over generations.
• Describe how differential survival and reproduction lead to adaptation.
• Use examples (e.g., island finches, antibiotic resistance) to identify selective pressures and advantageous traits.

Learning Objectives

• Understand the concept of biodiversity and its importance in ecosystems.
• Identify key factors that influence biodiversity stability.
• Analyze how disturbances can impact ecosystem stability.+ Show more

Learning Objectives

• Identify the main idea of a passage about human impacts on ecosystems
• Describe key human actions that change habitats and affect biodiversity
• Use vocabulary from the passage to answer reading questions

Learning Objectives

• Explain how heritable variation and environmental pressures lead to natural selection.
• Describe how differential survival and reproduction change trait frequencies over generations.
• Use examples (such as antibiotic resistance or island finches) to connect adaptation to selective pressures.

Learning Objectives

• Identify the signs indicating a chemical reaction has occurred
• Understand examples of chemical indicators such as gas production and precipitate formation
• Explain how energy changes and mass measurements relate to chemical reactions+ Show more

Learning Objectives

• Explain how temperature affects solubility of solids and gases
• Predict solution changes using solubility and saturation principles
• Explain how solvent polarity affects dissolution in water+ Show more

Learning Objectives

• Understand how the Sun influences Earth's climate patterns.
• Identify the main components affecting climate: energy, ocean processes, and atmospheric circulation.
• Recognize short-term weather versus long-term climate patterns.+ Show more

Learning Objectives

• Explain how human activities can alter ecosystems through habitat fragmentation, pollution, and invasive species.
• Describe how these changes can shift biodiversity, food-web structure (trophic structure), and ecosystem services over time.
• Evaluate mitigation and restoration strategies and predict how they may affect ecosystem recovery.

Learning Objectives

• Understand major human-induced alterations to ecosystems and their examples.
• Identify the effects of habitat fragmentation, pollution, and invasive species on biodiversity.
• Describe approaches for ecosystem restoration and mitigation.+ Show more

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