Grade 7 Worksheets

Learning Objectives

• Understand the principles of mechanical separation techniques such as filtration and sedimentation.
• Identify factors affecting filtration efficiency, including pore size and flow behaviour.
• Explore applications of filtration in separating heterogeneous mixtures like suspensions and precipitates.+ Show more

Learning Objectives

• Understand how birth, death, immigration, and emigration influence population size and distribution.
• Identify regional environmental drivers affecting populations such as water availability, fire regimes, and disease outbreaks.
• Analyze how these factors cause fluctuations, extinctions, or expansions of populations.+ Show more

Learning Objectives

• Define key material properties such as density, strength, stiffness, ductility, toughness, and thermal expansion.
• Explain how these properties influence the performance of structural materials in construction.
• Compare common materials—wood, steel, and reinforced concrete—in terms of strength-to-weight ratio, deformation, and failure modes.+ Show more

Learning Objectives

• Understand the concept of urban heat island phenomena and its causes.
• Identify surface materials and urban features that contribute to heat retention.
• Analyze mitigation strategies like urban greenery, cool pavements, and shading.+ Show more

Learning Objectives

• Understand the basic concept of the particle model of matter.
• Describe how atoms and molecules interact during chemical changes.
• Explain why mass remains constant in chemical reactions within a closed system.+ Show more

Learning Objectives

• Understand how folklore, such as Groundhog Day, relates to weather prediction traditions.
• Analyze the scientific methods used in weather forecasting.
• Evaluate the accuracy of cultural beliefs versus empirical science.+ Show more

Learning Objectives

• Analyze Dr. Seuss's literary techniques such as rhyme and rhythm.
• Create their own whimsical stories inspired by Seuss's characters and themes.
• Identify themes of friendship, perseverance, and responsibility in children's literature.+ Show more

Learning Objectives

• Explore the life and creative contributions of Dr. Seuss to early childhood literacy.
• Analyze how playful language and memorable characters promote reading engagement.
• Reflect on themes of kindness and environmental awareness in Seuss's stories.+ Show more

Learning Objectives

• Learn about the origins and purpose of Purple Day to raise awareness about epilepsy.
• Understand how community advocacy can influence health education and support.
• Recognize the importance of cultural sensitivity and empathy when discussing health issues.+ Show more

Learning Objectives

• Understand the origins and key milestones in global health history.
• Identify major diseases eradicated through collective efforts.
• Reflect on cultural differences in health practices and their impact.+ Show more

Learning Objectives

• Explain the purpose of taxes and how they fund public services.
• Identify the historical origins of taxes in the United States.
• Understand civic responsibility related to paying taxes.+ Show more

Learning Objectives

• Explain how Memorial Day changed from local customs to a national observance
• Use details from primary-source examples and historical information to make claims
• Identify how communities’ reasons for honoring the fallen differed over time

Learning Objectives

• Explain key historical steps in the development of the American flag from early symbols to the 1960 design
• Describe what the stars and stripes represent in U.S. flag symbolism
• Connect national symbols to civic identity and shared traditions

Learning Objectives

• Explain key events of the Apollo 11 mission and the meaning of the first Moon landing
• Identify important people and mission tasks connected to Apollo 11
• Describe how space technology influenced science, engineering, and culture

Learning Objectives

• Explain how emojis can represent cultural celebrations, traditions, and everyday life.
• Describe how media and culture influence the design and meaning of emojis.
• Practice empathy by interpreting emoji meanings from another person’s perspective.

Learning Objectives

• Explain the difference between temperature and heat using particle motion and energy transfer
• Describe how thermal energy transfers through conduction, convection, and radiation
• Apply thermal concepts to real-world situations in cold and varied climates

Learning Objectives

• Explain how kinetic energy depends on mass and speed using proportional reasoning.
• Interpret kinetic and potential energy graphs to describe changes during motion.
• Use kinetic energy relationships to predict how doubling mass or speed affects the result.

Learning Objectives

• Explain how detritivores, fungi, and bacteria break down organic matter during decomposition
• Describe how carbon and nitrogen move through detrital pools and primary producers over time
• Analyze how abiotic conditions (like moisture, temperature, and oxygen) affect decomposition rates and soil fertility

Learning Objectives

• Explain how synthetic materials are made from natural resources through feedstock selection, polymerization, and refining steps.
• Compare how chemical composition and processing choices affect material properties like durability and flexibility.
• Evaluate trade-offs between recyclability and environmental impacts for common synthetic materials in real products.

Learning Objectives

• Distinguish biotic and abiotic components of an ecosystem and describe their roles.
• Identify trophic categories (producers, consumers, decomposers) and explain general energy flow.
• Use food chains from pond and forest settings to describe how matter cycles through ecosystems.

Learning Objectives

• Identify the three main plate boundary types: divergent, convergent, and transform.
• Describe the landforms and geologic processes associated with each boundary type.
• Explain how seismic activity differs among divergent, convergent, and transform boundaries.

Learning Objectives

• Explain how tectonic stress and faults produce earthquakes and seismic waves.
• Differentiate normal, reverse, and strike-slip faults based on their motion and typical settings.
• Describe how depth, magnitude, and local geology affect earthquake intensity.+ Show more

Learning Objectives

• Explain how magma is generated through partial melting from decompression, added volatiles, or heat transfer.
• Describe how cooling rate and crystallization control texture and mineral composition in igneous rocks.
• Identify how fractional crystallization and magma mixing can change magma composition and produce different rock types.+ 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

• Describe how light penetration, stratification, and oxygen gradients create vertical zones in ponds and lakes
• Explain how seasonal changes (warming, cooling, turnover) affect dissolved oxygen, nutrient mixing, and habitat suitability
• Use pond and lake examples to predict where different organisms are likely to live based on abiotic conditions

Learning Objectives

• Explain ecological succession as directional change in community composition after disturbance.
• Distinguish primary succession from secondary succession and identify typical successional stages.
• Describe how abiotic changes and biotic interactions (competition and facilitation) drive species turnover.

Learning Objectives

• Explain how magma composition and eruption style influence volcanic landforms and deposits
• Describe how tectonic settings (subduction zones and hotspots) create different volcanic features
• Connect volcanic activity to changes in local topography and long-term land and soil development

Learning Objectives

• Explain how abiotic and biotic disturbances change population sizes and community composition.
• Describe mechanisms of resistance, resilience, and succession after a disturbance.
• Use observations and longitudinal data to connect changes in populations to specific disturbance causes.

Learning Objectives

• Explain how joints and connections help create continuous load paths in structures.
• Compare bolted, welded, and bearing connections in terms of load transfer and possible failure modes.
• Describe shear, bearing, and slip at connections and how detailing (e.g., gusset plates and base plates) affects capacity.

Learning Objectives

• Explain how energy moves through trophic levels in food webs and energy pyramids.
• Describe how producers, consumers, and decomposers contribute to energy flow and ecosystem productivity.
• Compare photosynthesis and cellular respiration as energy-capture and energy-release processes.+ Show more

Learning Objectives

• Use Q = mcΔT to estimate thermal energy needed to change temperature of a substance.
• Identify common heat and power units (joules and watts) and relate power to energy over time.
• Explain how surface area, temperature gradient, and time affect heat-transfer rate.

Learning Objectives

• Describe how the phospholipid bilayer forms a barrier that affects what can pass through a cell membrane.
• Explain how embedded proteins help with transport, signaling, and receptor functions.
• Connect carbohydrate chains to cell recognition and adhesion.

Learning Objectives

• Define and explain key material properties: density, tensile strength, compressive strength, stiffness (modulus), ductility, toughness, and thermal expansion.
• Describe how material properties affect structural performance, including deformation and likely failure modes.
• Compare wood, steel, and reinforced concrete in terms of strength-to-weight, stiffness, and typical behavior under load.

Learning Objectives

• Explain how calibration and traceable reference points improve temperature measurement accuracy in environmental settings.
• Identify common sources of temperature-measurement error, including response time, spatial placement, radiation effects, and thermal contact.
• Interpret temperature readings using uncertainty, resolution limits, and sensor specifications to make fair comparisons.

Learning Objectives

• Explain how buoyancy and density differences drive convective motion in fluids.
• Describe how temperature gradients affect the strength of convection and heat transfer rates.
• Connect convection to real-world phenomena such as sea and land breezes, thermals, and lake overturning.

Learning Objectives

• Identify independent, dependent, and controlled variables in an investigation
• Explain how controlled variables support fair comparisons
• Interpret how changes in the dependent variable relate to the independent variable using data from tables or graphs

Learning Objectives

• Explain how scientific knowledge develops through empirical investigation and evidence evaluation.
• Describe how alternative explanations and uncertainty are handled in scientific reasoning.
• Evaluate how new data can refine models and lead to changes in explanations.

Learning Objectives

• Use balanced chemical equations to determine mole ratios between reactants and products.
• Convert between amounts of substances (moles and masses) using consistent units and proportional reasoning.
• Predict how changes in reactant quantities affect product yield using conservation of atoms.

Learning Objectives

• Explain how tectonic activity, weathering, erosion, and deposition shape Earth’s surface.
• Describe how geologic processes can both build up and break down landforms over long time periods.
• Use correct science vocabulary to compare erosion and deposition.

Learning Objectives

• Use microscopy observations to explain why cells are discrete units of life.
• Distinguish features of plant, animal, and protist cells using examples such as onion epidermis and paramecia.
• Describe how organisms show a hierarchy from cells to tissues and, in multicellular organisms, to organs.

Learning Objectives

• Explain how circulatory, respiratory, digestive, and nervous systems work together to support homeostasis in multicellular animals.
• Describe how oxygen transport and nutrient distribution create feedback that helps organisms respond to changes.
• Compare animal organ interactions with basic plant transport needs using the idea of transport networks.

Learning Objectives

• Explain how greenhouse gases, land-use change, and natural variability can influence climate.
• Interpret basic evidence from temperature and CO2 records to identify likely climate drivers.
• Describe impacts of climate change on sea level, precipitation, and agricultural productivity.+ Show more

Learning Objectives

• Explain how energy inputs, useful outputs, and losses can be traced in system models
• Use energy flow ideas (including waste heat) to discuss conservation of energy in real systems
• Interpret simple Sankey-style energy pathways and calculate or compare conversion efficiency

Learning Objectives

• Explain how solubility depends on the nature of the solute and solvent.
• Describe how temperature, pressure (for gases), and surface area affect dissolving.
• Connect particle size and agitation to the rate and extent of dissolution.

Learning Objectives

• Explain how chemical equations, graphs, and tables represent measurable matter interactions.
• Interpret quantitative relationships using reaction-rate graphs, stoichiometric ratios, and phase diagrams.
• Choose an appropriate representation to compare values (mass, temperature, time) without assuming microscopic mechanisms.

Learning Objectives

• Explain how supports and foundations help buildings resist loads through load paths.
• Identify how compression, tension, and shear influence different structural members.
• Describe how stiffness, strength, and durability are used to judge structural safety under wind and snow loads.

Learning Objectives

• Draw and interpret free-body diagrams to represent forces acting on an object
• Determine net force direction and magnitude by combining perpendicular force components
• Identify how friction, normal force, and gravity affect motion on an incline

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