Grade 6 Worksheets

Learning Objectives

• Explain how scientific models help scientists represent systems that are too large, too small, or too complex to study directly.
• Describe how observable features and measurements provide evidence to support or refine scientific models.
• Identify the limits of a model by comparing what the model shows with real-world data.

Learning Objectives

• Explain how observations lead to scientific questions and investigations
• Use evidence and logical reasoning to support or reject an explanation
• Apply measurement and observation vocabulary to describe changes over time+ Show more

Learning Objectives

• Explain how scientific knowledge becomes more reliable through iterative refinement and new evidence
• Differentiate between scientific theories and scientific laws using examples
• Describe how communication, peer evaluation, and reproducibility strengthen claims

Learning Objectives

• Explain how trophic levels describe how organisms obtain energy in an ecosystem
• Identify producers, primary consumers, secondary consumers, higher-level consumers, and decomposers by role
• Describe how energy transfer between trophic levels affects population patterns

Learning Objectives

• Explain how physiological adaptations help organisms survive in specific environments.
• Identify examples of internal processes that support water balance, metabolism, and stress tolerance.
• Compare how desert and aquatic organisms may use different internal mechanisms.

Learning Objectives

• Explain what an ecological niche is and how it relates to how organisms use resources and conditions.
• Describe how two species can live in the same habitat by occupying different niches.
• Evaluate how niche overlap can increase competition when resources become limited.

Learning Objectives

• Explain how species richness, abundance, and evenness describe biodiversity in different ecosystems.
• Use sampling tools like transects and quadrats to measure biodiversity patterns.
• Interpret spatial patterns and relate biodiversity metrics to ecosystem stability and conservation.

Learning Objectives

• Explain how adaptation trade-offs can favor specialists in stable conditions and generalists in variable conditions.
• Compare benefits and costs of narrow niche specialization versus broad tolerance using examples from plants, insects, and animal movement.
• Describe how fluctuating environments can change which traits improve survival and reproduction over time.

Learning Objectives

• Distinguish structural, behavioural, and physiological adaptations and give examples for each
• Explain how inherited traits can increase survival and reproductive success in a specific niche
• Describe how natural selection can change traits in a local population over generations

Learning Objectives

• Explain how leaf structure supports gas exchange, photosynthesis, and transpiration
• Compare broadleaf deciduous and needlelike conifer leaves in terms of water use and seasonal effects
• Describe how stomatal regulation, leaf area, and chlorophyll influence growth and carbon balance

Learning Objectives

• Describe how systematic sky observations help identify repeating patterns over time.
• Explain how Earth’s rotation and the Moon’s movement affect what we see in the sky.
• Use simple records (sunrise/sunset times, Moon phases, and star positions) to make observational conclusions.

Learning Objectives

• Explain how genes on chromosomes can produce dominant and recessive inheritance patterns.
• Use Mendelian cross models to predict possible offspring trait ratios.
• Construct simple inheritance models and describe how model predictions can be limited.

Learning Objectives

• Differentiate independent, dependent, and controlled variables in an investigation.
• Explain why scientists hold control variables constant and use operational definitions.
• Interpret how measurement consistency helps reveal real patterns in environmental data.

Learning Objectives

• Explain what symbiotic relationships are and how they affect organisms in an ecosystem.
• Categorize examples of interactions as mutualism, commensalism, or parasitism.
• Describe how symbiotic relationships can influence survival, reproduction, resource distribution, and community structure.

Learning Objectives

• Identify major plant structures and explain how they help plants survive by acquiring resources, transporting materials, and supporting growth and reproduction.
• Describe how animal organ systems (digestive, respiratory, and circulatory) work together to maintain survival needs such as nutrients, oxygen, and transport of materials.
• Connect structure to function by giving examples of how specific plant and animal parts support homeostasis in different environments.

Learning Objectives

• Explain how habitat fragmentation, pollution, land-use change, nonnative species, and resource extraction can affect natural systems
• Describe how human impacts can change community composition, population viability, and genetic diversity
• Evaluate mitigation strategies such as conservation and restoration to reduce negative effects

Learning Objectives

• Explain how population trends and per-capita resource use can increase or decrease impacts on Earth systems.
• Compare sustainability strategies such as renewable energy, conservation, circular resource use, and land-management approaches.
• Evaluate trade-offs among economic, social, and environmental priorities and suggest measurable indicators of progress.

Learning Objectives

• Define producers, consumers, and decomposers and describe how each role supports a food chain.
• Identify trophic levels in simple pond and grassland examples and explain energy transfer between levels.
• Explain why energy decreases at each step and how matter (nutrients) is recycled through detrital processing.

Learning Objectives

• Explain how predation, herbivory, parasitism, competition, and mutualism affect organisms in an ecosystem.
• Describe how trophic interactions can change population size, behavior, and community structure.
• Use evidence from scenarios to identify the type of trophic interaction.

Learning Objectives

• Explain how producers convert energy into biomass and how consumers obtain energy by eating other organisms.
• Describe the roles of primary, secondary, and higher-level consumers in a food web.
• Predict how energy transfer limits affect the number of organisms at different trophic levels.

Learning Objectives

• Explain how birth/death rates and migration (immigration/emigration) affect population size over time.
• Distinguish exponential growth from logistic growth and identify the role of carrying capacity.
• Describe how density-dependent and density-independent factors influence population changes.

Learning Objectives

• Explain how different pollutants enter ecosystems from industrial, agricultural, and urban sources
• Describe how pollution can harm organisms through habitat degradation, health effects, and reduced oxygen
• Use terms bioaccumulation and biomagnification to explain how pollutants increase in top predators

Learning Objectives

• Explain how limiting factors can restrict population growth and change where organisms can survive
• Differentiate abiotic and biotic limiting factors and give examples of each
• Describe how seasonal and random (stochastic) changes in limiting factors can affect survival and population size

Learning Objectives

• Explain how past geoscience processes affect where mineral ores, petroleum, and groundwater are found.
• Describe how hydrologic flow and recharge influence groundwater availability.
• Evaluate trade-offs in resource extraction by considering demand, extraction impacts, and technology limits.

Learning Objectives

• Explain how invasive species are introduced by human transport and why they spread quickly.
• Describe how invasive species can disrupt food webs, habitats, and nutrient cycles.
• Identify real-world examples of invasive species and predict likely ecosystem impacts.+ Show more

Learning Objectives

• Explain how solubility changes with temperature and how that enables recrystallization
• Describe the steps of recrystallization to separate and purify a dissolved solid
• Use particle-level reasoning and basic solubility ideas to predict crystal formation

Learning Objectives

• Explain what makes an introduction effective in an ELA piece.
• Identify ways writers hook readers and narrow from general context to a specific focus.
• Use transitions and purpose to improve the flow from the introduction into the body.

Learning Objectives

• Review a published draft to confirm it matches its purpose and audience.
• Revise for correct spelling, punctuation, consistent formatting, and clear paragraphing.
• Check that headings/titles and text features support understanding and keep the draft polished and consistent.

Learning Objectives

• Use common transition words and phrases to show relationships between ideas (addition, contrast, cause and effect, sequence, and emphasis).
• Revise sentences to improve coherence by adding, replacing, or repositioning transitions between sentences and paragraphs.
• Explain how transitions help readers follow a writer’s line of thinking during revision.

Learning Objectives

• Revise writing to strengthen a clear central message by checking sentence support for the main idea.
• Improve organization by reordering ideas for better coherence and logical flow.
• Check and correct consistency in tense, point of view, and terminology during revision.

Learning Objectives

• Explain how a topic sentence communicates the main idea of a paragraph.
• Identify how supporting details connect to a topic sentence to build coherence.
• Revise sentences so they match a paragraph’s purpose, tense, and point of view.+ Show more

Learning Objectives

• Explain how media elements (visuals, audio, and wording) can influence attention and emotion
• Identify persuasive techniques such as repetition, testimonials, and slogans
• Evaluate whether persuasive messages fit an intended audience’s needs and values

Learning Objectives

• Identify the main claim in a media message by looking at what it says and emphasizes.
• Determine a message’s intended audience and explain how it shapes the wording or visuals.
• Use key details to explain the purpose and likely impact of a message.

Learning Objectives

• Explain how purpose, audience, and format shape a simple media product.
• Identify supporting details that create coherence across visuals, text, and audio.
• Use ethical media practices by choosing accurate and complete information.

Learning Objectives

• Explain how microphones, speakers, and cameras use wave behavior to convert energy and information.
• Describe how wave properties such as frequency and intensity affect device performance and signal quality.
• Identify real-world limitations of wave-based technologies and propose simple ways to improve fidelity.

Learning Objectives

• Distinguish physical changes from chemical changes using observable evidence and product identity
• Explain how phase changes and dissolving differ from reactions that form new substances
• Identify signs of chemical change such as gas production, precipitate formation, and energy changes

Learning Objectives

• Explain how particle collisions influence the rate of chemical reactions.
• Describe how concentration, temperature, surface area, and catalysts affect reaction rates.
• Use observable evidence (gas release, color change, heat) to infer changes in reaction rate.

Learning Objectives

• Describe how chemical indicators provide evidence that a chemical reaction has occurred
• Identify common indicator signs such as precipitate formation, persistent colour change, gas production, and energy or light changes
• Explain why combining multiple observations gives stronger evidence than using a single indicator

Learning Objectives

• Identify physical properties as observable or measurable characteristics of matter.
• Differentiate physical changes from chemical changes based on whether new substances form.
• Use examples to describe how properties like density, melting point, and conductivity help classify materials.

Learning Objectives

• Explain how energy changes particle motion during phase changes (melting, boiling, freezing, and condensation).
• Describe why temperature can stay nearly constant during a phase change even while energy is still being added or released.
• Connect latent heat to the energy needed to overcome attractive forces or form stronger particle bonds.

Learning Objectives

• Explain how the particle model describes solids, liquids, and gases using particle motion and spacing.
• Connect microscopic particle behavior to macroscopic properties such as shape, volume, flow, and compressibility.
• Use particle model vocabulary (solid, liquid, gas, particles, motion, spacing, arrangement) to describe everyday examples.

Learning Objectives

• Differentiate between homogeneous and heterogeneous mixtures using observable properties
• Identify solutions as homogeneous mixtures and explain what “uniform composition” means
• Describe common separation methods (filtration, decanting, evaporation) and what property they use

Learning Objectives

• Explain how repeating particle patterns produce the characteristic properties of crystalline solids
• Compare crystalline and amorphous solids using evidence such as melting behavior and mechanical properties
• Use the particle model to connect bonding strength and spatial arrangement to observable changes

Learning Objectives

• Explain how diffusion is driven by particle motion from higher concentration to lower concentration
• Describe how temperature affects diffusion rates through changes in particle speed and collision frequency
• Identify how particle size and medium viscosity influence diffusion in gases and liquids+ Show more

Learning Objectives

• Explain gas pressure using the particle model and collisions with container walls.
• Predict how changes in particle speed, collision frequency, and volume affect gas pressure.
• Describe how temperature changes relate to pressure and gas behavior in sealed containers and everyday examples.

Learning Objectives

• Explain how human activities can disrupt ecosystem balance by changing habitats, nutrient cycles, and energy pathways.
• Describe how deforestation can increase erosion and harm food webs and biodiversity.
• Investigate how pollution can accumulate in organisms and affect health and reproduction.+ Show more

Learning Objectives

• Explain the difference between a habitat and a niche in an ecosystem
• Describe how niche overlap can lead to competition and limit population growth
• Use examples of resource partitioning to explain how species can coexist

Learning Objectives

• Explain how habitat fragmentation happens and why it makes habitats less connected.
• Describe how fragmentation can increase edge effects and reduce species movement and gene flow.
• Evaluate mitigation ideas such as corridors and protecting large habitat blocks.