Grade 7 Worksheets

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

Learning Objectives

• Describe the structure of the cell membrane as a phospholipid bilayer.
• Identify the roles of embedded proteins, cholesterol, and carbohydrates in the cell membrane.
• Explain how the fluid mosaic model contributes to the membrane's functions.+ Show more

Learning Objectives

• Identify the components of the cell membrane.
• Understand the functions of phospholipids, proteins, cholesterol, and carbohydrates in the membrane.
• Explain how the fluid mosaic model maintains cellular homeostasis.

Learning Objectives

• Describe the basic organization of the cell membrane as a fluid mosaic model.
• Identify the functions of phospholipids, proteins, cholesterol, and carbohydrates in the membrane.
• Explain how the structure of the cell membrane regulates transport and communication.+ Show more

Learning Objectives

• Explain how gravity produces weight and affects the motion of objects near Earth
• Relate gravitational force and acceleration using the role of mass and inertia
• Describe how support forces (normal forces) balance weight when objects are at rest

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

• Define the different states of matter as distinct particle arrangements and energy levels.
• Identify and explain phase changes such as melting, freezing, vaporization, condensation, and sublimation.
• Understand how temperature and pressure influence phase transition points.+ Show more

Learning Objectives

• Understand how microscopy reveals basic cellular structures in plants and animals.
• Identify differences between unicellular and multicellular organisms using examples.
• Describe key cellular features such as cell boundaries, plasma membranes, and cell walls.+ 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

• 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

• Explain how an explanatory text is organized from introduction to conclusion.
• Identify how transitions connect claims, facts, definitions, and examples.
• Write an explanatory paragraph using topic sentences and supporting details.

Learning Objectives

• Identify independent, dependent, and controlled variables in a science investigation
• Explain why controlled variables make comparisons fair
• Use tables and graphs to connect changes in the dependent variable to the independent variable

Learning Objectives

• Identify how explanatory writing uses an introduction, body, and conclusion to guide readers.
• Use transitions to connect claims with supporting facts, definitions, and examples.
• Evaluate whether a text’s structure helps understanding rather than just presenting a list of information.

Learning Objectives

• Understand how microscopy reveals the structure of plant and animal cells.
• Identify and compare features of unicellular and multicellular organisms.
• Recognize cellular components such as cell walls, plasma membranes, and organelles.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how temperature and solvent polarity affect dissolution and solubility
• Use solubility curve ideas to predict whether a solution is unsaturated, saturated, or supersaturated
• Describe how pressure affects the solubility of gases and apply this to real-world situations+ Show more

Learning Objectives

• Explain how temperature, solvent polarity, and pressure affect dissolution and solubility.
• Use solubility curves to identify unsaturated, saturated, and supersaturated conditions.
• Predict how concentration changes and how recrystallization can improve recovery and purity.

Learning Objectives

• Explain factors affecting solubility such as temperature, pressure, and solvent polarity.
• Interpret solubility curves and understand saturation and supersaturation concepts.
• Predict outcomes of recrystallization and separation processes based on solubility principles.+ 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

• Understand how gravity affects objects' weight and motion near Earth.
• Explain the relationship between mass, gravitational force, and acceleration.
• Describe the role of support forces in balancing gravity in stable situations.+ 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

• Describe the organization and components of the cell membrane.
• Explain the functions of lipids, proteins, and carbohydrates in the membrane.
• Understand how the membrane maintains selective permeability.+ Show more

Learning Objectives

• Understand the concept of solubility and what it indicates about a substance.
• Identify common examples of solubility in everyday life.
• Explain how temperature, solvent polarity, and pressure influence solubility.+ Show more

Learning Objectives

• Identify observations that provide evidence of chemical reactions
• Explain how new substances form during chemical reactions
• Describe conservation of matter using sealed-system mass measurements+ 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

• Identify examples of physical changes
• Differentiate between physical and chemical changes
• Observe indicators of chemical reactions+ Show more

Learning Objectives

• Understand the factors affecting solubility such as temperature, solvent polarity, and pressure.
• Interpret solubility curves and concepts of saturation and supersaturation.
• Analyze examples of solubility in real-world applications like salt water and soft drinks.+ Show more

Learning Objectives

• Differentiate weather and climate using time scales and typical patterns.
• Explain how solar energy, atmospheric circulation, and water distribution shape climate.
• Describe how ocean heat storage and release can influence regional climate patterns.

Learning Objectives

• Explain the factors that influence solubility, including temperature, pressure, and solvent polarity.
• Interpret and analyze solubility curves and concepts of saturation and supersaturation.
• Describe how solubility affects separation methods, concentration calculations, and recrystallization outcomes.+ Show more

Learning Objectives

• Identify observable indicators that a chemical reaction has occurred, such as gas production, precipitate formation, color change, and temperature change.
• Explain irreversibility in chemical reactions and relate it to composition changes.
• Describe examples of chemical reactions, including rusting, combustion, and neutralization, and discuss how mass measurements in sealed systems demonstrate conservation principles.+ Show more

Learning Objectives

• Define weather and climate and explain their differences.
• Identify key factors that influence Earth's climate system.
• Understand how ocean processes affect regional climate patterns.+ 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 when two algebraic expressions are equivalent by rewriting them using distributive property and combining like terms
• Expand expressions with brackets (e.g., a(b+c)) to show equivalent forms clearly
• Explain how the structure of an expression shows what each coefficient contributes+ Show more

Learning Objectives

• Differentiate between physical changes and chemical changes using evidence from observations.
• Identify indicators of chemical change such as gas production, precipitate formation, color change, or temperature change.
• Explain how matter can change form or state without creating a new substance.+ Show more

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 observable indicators that a chemical reaction has occurred, including gas production, precipitate formation, color change, and temperature change.
• Explain irreversibility and how it differs from reversible physical changes.
• Use mass measurements from sealed systems to connect reaction evidence to the conservation of matter.

Learning Objectives

• Explain how biodiversity contributes to ecosystem stability
• Describe how overlapping ecological roles can buffer ecosystems against disturbances
• Identify ways habitat loss and invasive species can reduce biodiversity and increase vulnerability+ 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

• Identify how a hook and a controlling thesis work together in an academic paragraph or essay.
• Write a hook that draws the reader in and then narrows toward a clear controlling idea.
• Create a thesis statement that signals the main focus and the direction of supporting details.

Learning Objectives

• Identify parts of an explanatory paragraph
• Understand how introductions, body, and conclusions are organized
• Recognize transitional phrases linking ideas

Learning Objectives

• Identify observable indicators that show a chemical reaction has occurred, such as gas production, precipitate formation, color change, and temperature change.
• Explain why mass measurements in sealed systems support the conservation of mass during chemical reactions.
• Distinguish chemical changes from physical changes by linking evidence to changes in composition and reversibility.

Learning Objectives

• Understand how latitude influences sunlight exposure and temperature
• Describe how Earth's position affects climate patterns
• Recognize the significance of latitude in regional climate differences

Learning Objectives

• Explain solubility, saturation, and supersaturation using particle-level ideas.
• Describe how temperature, solvent polarity, and pressure affect dissolution.
• Use solubility concepts to predict concentration changes and crystallization outcomes.

Learning Objectives

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

Learning Objectives

• Identify how an explanatory text is organized using an introduction, body development, transitions, and a conclusion.
• Explain how facts, definitions, and examples work together to develop ideas rather than listing information.
• Use signal words and transitions to connect claims, details, and reasons in an explanatory paragraph.

Learning Objectives

• Understand the different analytical indicators used to assess the purity of a substance.
• Identify methods such as melting point analysis, conductivity testing, refractive index, and gravimetric residue.
• Evaluate which techniques provide the most reliable evidence when used together for purity assessment.+ Show more

Learning Objectives

• Identify how melting point, boiling point, conductivity, refractive index, and gravimetric residue can indicate purity
• Explain how impurities can shift physical properties and widen melting ranges
• Use more than one line of evidence to support a claim about whether a sample is pure

Learning Objectives

• Understand the mechanisms of natural selection and how they lead to adaptation in populations.
• Identify examples of natural selection in real-world scenarios such as antibiotic resistance and beak size variation.
• Analyze how environmental pressures influence evolutionary changes over generations.