Grade 6 Science Worksheets

Learning Objectives

• Identify the main components of the solar system and understand their differences.
• Contrast the characteristics of terrestrial planets and gas giants.
• Recognize the location and features of dwarf planets, asteroid belts, and Kuiper Belt objects.+ Show more

Learning Objectives

• Understand the geometry of solar and lunar eclipses, including concepts of umbra and penumbra.
• Explain the causes and patterns of tides influenced by the Moon and Sun.
• Distinguish between the mechanisms driving eclipses and tidal variations.+ Show more

Learning Objectives

• Understand how incremental adjustments affect aerodynamic performance and safety.
• Identify criteria for evaluating modifications in aerodynamic design.
• Analyze trade-offs between speed, stability, and payload in design refinement.+ Show more

Learning Objectives

• Compare different conservation strategies and their ecological trade-offs.
• Evaluate the effectiveness of habitat restoration and invasive species management.
• Analyze case studies to understand outcomes for species persistence and ecosystem services.+ Show more

Learning Objectives

• Compare the glide ratio, lift-to-drag performance, and control responsiveness of kites, gliders, and round canopies.
• Explain how design parameters influence endurance and maneuverability in flying devices.
• Analyze regional atmospheric factors like prairie crosswinds and valley thermals affecting flight outcomes.+ Show more

Learning Objectives

• Understand how the angle of attack affects lift and drag on wings.
• Explain how small changes in angle impact flight performance.
• Identify the critical point where flow separation causes a stall.+ Show more

Learning Objectives

• Understand how current and voltage measurements characterize circuit performance.
• Identify proper instrument placement and reading patterns in various circuit configurations.
• Explain measurement uncertainty qualitatively and interpret readings in context.+ Show more

Learning Objectives

• Explain how gravity and terrain shape water pathways within a watershed.
• Describe how infiltration, soil storage, and land cover affect runoff and timing of streamflow.
• Connect vegetation and erosion/sediment movement to downstream water conditions.

Learning Objectives

• Explain how scientific findings lead to societal changes through evidence-based public health, environmental, and resource decisions.
• Use data and indicators to evaluate whether interventions achieve intended short-term and long-term outcomes.
• Describe trade-offs between economic priorities and environmental or health goals using real examples.

Learning Objectives

• Explain what makes a scientific prediction testable and linked to an explanation or model
• Describe how evidence supports or challenges a prediction and how scientists refine models
• Identify criteria for evaluating results and interpret measurement uncertainty

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 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 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.

Learning Objectives

• Explain how energy and nutrients move through a food chain from producers to consumers.
• Identify trophic levels and the roles of herbivores, carnivores, and decomposers/scavengers.
• Predict how changes in one population can affect other populations in a simple food chain.

Learning Objectives

• Distinguish biotic and abiotic components in an ecosystem.
• Explain how abiotic factors such as sunlight, water, soil, temperature, and minerals affect living things.
• Describe how organisms interact and how these interactions influence habitat conditions and population sizes.

Learning Objectives

• Explain how decomposers break down dead organic matter and return nutrients to the environment.
• Describe how temperature, moisture, and oxygen affect decomposition rates.
• Connect nutrient cycling to plant growth and ecosystem balance.

Learning Objectives

• Explain how protected areas, habitat restoration, sustainable harvesting, and invasive species control help maintain ecosystem balance.
• Describe trade-offs among ecological goals, economic needs, and social values when choosing conservation strategies.
• Use monitoring evidence to evaluate whether conservation efforts are improving habitat and species outcomes.

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 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

• 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 the law of conservation of mass in closed systems during physical and chemical changes
• Use mass-conservation reasoning to account for reactants and products in open systems
• Distinguish between true matter loss and apparent mass changes caused by measurement limits or gas escape

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 scientists compare properties of substances before and after an interaction to determine if a new substance forms.
• Identify evidence of chemical change, including changes in color, formation of a solid, gas release, and new material with different behavior.
• Distinguish between physical changes (appearance changes without new substances) and chemical changes (new substances with new properties).

Learning Objectives

• Explain how distillation separates mixture components using boiling points and phase changes
• Distinguish between simple distillation and fractional distillation
• Describe how vapor formation and condensation help collect separated liquids+ Show more

Learning Objectives

• Explain how atoms are conserved during chemical reactions using particle diagrams.
• Describe reactants and products as rearrangements of atoms rather than creation or destruction.
• Use particle-level evidence to connect conservation of atoms to observable changes.

Learning Objectives

• Explain how birth rate, death rate, and resource availability affect population size over time.
• Interpret data trends to infer whether a population is increasing or decreasing and why.
• Use evidence from seasonal or habitat changes to support a population-change claim.

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 how photosynthesis converts light energy into chemical energy stored in sugar molecules.
• Identify reactants and products of photosynthesis and describe the role of oxygen release.
• Describe how energy flows from the Sun to producers and then to other organisms through feeding.

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

• 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

• 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 limiting resources affect population size in an ecosystem.
• Identify examples of limiting resources such as nutrients, water, and space.
• Describe how organisms may respond when resources become scarce.

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

• Explain how frequency and amplitude affect the pitch and loudness of sound
• Describe how sound speed changes with the medium and temperature
• Connect reflection and absorption to real-world sound behavior (echoes and muffled sounds)+ Show more

Learning Objectives

• Explain how photosynthesis provides energy for plant growth, repair, and reproduction
• Describe how plants store chemical energy in molecules to use later
• Connect matter changes in plant parts (leaves, stems, roots, and reproductive parts) to energy transformations

Learning Objectives

• Explain how food provides chemical building materials and stored energy to the body.
• Describe how digestion breaks large food molecules into smaller molecules that can be absorbed.
• Connect specific food molecules with different body needs (like proteins for structure and carbohydrates for quick energy).+ Show more

Learning Objectives

• Compare how current and voltage behave in series versus parallel circuits
• Explain how circuit breaks affect series circuits and how branches behave in parallel circuits
• Use circuit reasoning to predict changes in brightness and device reliability

Learning Objectives

• Explain how renewable energy systems convert one form of energy into another (sunlight to electrical energy, wind to electrical energy, and water to electrical energy).
• Describe why energy losses occur during conversion and how they affect the net usable electrical energy.
• Use conservation of energy ideas to compare energy pathways and discuss practical limits on sustainable supply.

Learning Objectives

• Explain how reflection and refraction change the direction of light when it meets a surface or boundary.
• Identify real-life examples of reflection and refraction and relate them to angles and material properties.
• Describe how lenses use refraction to focus or disperse light and form images.