Grade 6 Science Worksheets

Learning Objectives

• Identify how observable characteristics are used to group organisms.
• Use a dichotomous key to classify organisms step-by-step.
• Explain hierarchical classification from kingdom to species and why species is the most specific category.+ Show more

Learning Objectives

• Identify the main idea and key details about minerals and rocks.
• Distinguish minerals from rocks using physical properties.
• Recognize how properties like hardness, cleavage, and grain size help identify rock types.

Learning Objectives

• Understand the concept of adaptation trade-offs and how they affect organism survival
• Describe different types of trade-offs in structural and physiological features
• Evaluate the costs and benefits associated with specific adaptations+ Show more

Learning Objectives

• Understand the relationship between net force, mass, and acceleration.
• Explain how vector addition affects motion in different scenarios.
• Apply the formula net force equals mass times acceleration to solve problems.+ Show more

Learning Objectives

• Understand how electric and magnetic forces depend on source strength and separation.
• Identify examples of electrostatic and magnetic forces in real-world situations.
• Explain how factors like distance, charge, and current influence force strength.+ Show more

Learning Objectives

• Understand the law of conservation of momentum during two-body collisions.
• Identify the differences between elastic and inelastic collisions.
• Apply force diagrams to analyze action-reaction pairs during contact.+ Show more

Learning Objectives

• Identify major plant structures such as roots, stems, leaves, and flowers and explain their functions.
• Describe the roles of vascular tissues, including xylem and phloem, in the transport of water and nutrients.
• Understand basic animal organ systems like digestive, respiratory, and circulatory systems and their roles in organism survival.+ Show more

Learning Objectives

• Explain how camber, thickness, chord length, and leading-edge curvature influence pressure distribution and lift.
• Describe the differences between Bernoulli and Newtonian approaches to understanding lift.
• Identify the effects of angle of attack and critical angles for stall on lift production.+ Show more

Learning Objectives

• Explain how mixtures and compounds differ in particle arrangement and atomic composition
• Identify examples of mixtures and compounds using particle model ideas
• Describe how physical separation often works for mixtures but not for compounds

Learning Objectives

• Understand how organ systems interact to maintain homeostasis.
• Identify feedback mechanisms involved in regulating internal conditions.
• Explore examples of system responses like temperature regulation and blood glucose control.+ Show more

Learning Objectives

• Explain how heritable variation and environmental pressures lead to natural selection.
• Describe how differential reproductive success changes trait frequencies over generations.
• Connect examples (finches, pollution, antibiotic resistance) to selection-driven shifts in populations.

Learning Objectives

• Interpret how species occurrence and richness can reveal spatial and temporal biodiversity patterns
• Compare biodiversity patterns across islands, along latitudes, and among habitats with different heterogeneity
• Explain how historical records and present-day surveys help estimate turnover and community composition+ Show more

Learning Objectives

• Analyze how fossil occurrences and stratigraphic sequences reveal patterns of origin, diversification, and extinction over geologic time.
• Explain how relative dating and radiometric dating help place fossils in a temporal sequence.
• Interpret how fossil morphology and geographic distribution support ideas about lineage continuity and turnover.

Learning Objectives

• Understand how fossil occurrences and stratigraphy reveal patterns of origin, diversification, and extinction over geologic time.
• Analyze morphological transitions in the fossil record, such as fish-to-tetrapod examples.
• Interpret stratigraphic sequences, relative and radiometric dating methods, and geographic distribution to infer lineage continuity and turnover.+ Show more

Learning Objectives

• Understand that gravitational attraction depends on mass and distance between objects.
• Differentiate between gravitational and contact forces, such as friction.
• Explain how gravity influences planetary orbits and falling objects.+ Show more

Learning Objectives

• Identify major solar system objects by composition and size
• Compare terrestrial and gas giant planets by key characteristics
• Explain how distance from the Sun affects planetary temperature+ Show more

Learning Objectives

• Explain how matter and energy move among the geosphere, hydrosphere, atmosphere, and biosphere.
• Describe feedback mechanisms that change Earth systems, such as ice-albedo effects.
• Use a model sequence to predict observable patterns from short-term to geologic timescales.

Learning Objectives

• Explain how conservation of momentum applies to an isolated two-object system during a collision
• Identify action-reaction force pairs and describe how they relate to changes in motion
• Differentiate elastic and inelastic collisions using momentum and kinetic energy behavior+ Show more

Learning Objectives

• Describe how energy moves through a forest food web among producers, consumers, and decomposers.
• Identify trophic relationships and how changes in one species can affect others over time.
• Explain the role of decomposers in recycling organic matter in forest ecosystems.+ Show more

Learning Objectives

• Explain how species classification can group organisms as producers, consumers, and decomposers.
• Identify native versus invasive (or pest) species and predict how they can affect ecosystem balance.
• Use classification to make simple predictions about energy flow and competition in ecosystems.

Learning Objectives

• Identify different types of disturbance in forest ecosystems.
• Understand how fire impacts forest structure and succession.
• Recognize other disturbance agents such as insects and wind.+ Show more

Learning Objectives

• Identify key characteristics of boreal forests
• Understand how environmental factors influence forest distribution
• Recognize different forest regions and ecosystems+ Show more

Learning Objectives

• Understand the concept of stewardship practices and their importance.
• Identify different community-based planting initiatives.
• Recognize how stewardship efforts benefit local and regional landscapes.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the concept of ecosystem-based management
• Identify the ecological, economic, and social objectives in forest management
• Learn about tools used in integrated forest management, such as monitoring and stakeholder collaboration+ Show more

Learning Objectives

• Understand how water and nutrients are transported within trees through stems.
• Identify the roles of xylem and phloem in resource movement.
• Explain how environmental factors like freeze-thaw cycles, drought, and pests affect sap flow.+ Show more

Learning Objectives

• Understand the factors influencing the change in population sizes over time.
• Identify differences between exponential and logistic growth models.
• Explain how density-dependent and density-independent factors affect populations.+ Show more

Learning Objectives

• Describe the steps involved in the design process for aircraft and gliders.
• Explain how measurement and refinement improve aerodynamic performance.
• Identify key performance criteria such as lift, drag, weight, and stability.+ Show more

Learning Objectives

• Understand the definition and features of series circuits, including single-path current flow.
• Explain how voltage divides among components in a series circuit and how this affects brightness of bulbs.
• Describe the impact of resistance accumulation in series arrangements and limitations for household wiring.+ Show more

Learning Objectives

• Understand how genetic and environmental factors influence phenotypic variation.
• Identify examples of variation caused by heredity and environment.
• Explain the link between DNA, gene expression, and organism traits.+ Show more

Learning Objectives

• Identify the structure and function of key organelles in plant and animal cells.
• Understand the relationship between cell structure and cellular roles such as energy production, protein synthesis, and waste removal.
• Compare plant and animal cells to recognize specialization and diversity in cell functions.

Learning Objectives

• Understand how the Sun's position affects shadow length and direction during different times of day and seasons.
• Observe and describe patterns of shadows in various environments to explain Earth's motion and axial tilt.
• Relate shadow changes to the concepts of day/night cycle and seasons.+ Show more

Learning Objectives

• Describe the apparent daily and annual motions of the Sun, Moon, and stars from an Earth perspective.
• Explain how Earth's rotation and orbit cause the observed motions of celestial objects.
• Understand the concept of the celestial sphere, horizon, and stellar paths across the sky.+ Show more

Learning Objectives

• Understand the purpose and components of circuit diagrams.
• Identify standard symbols used in electrical circuit diagrams.
• Translate physical electrical systems into schematic diagrams.+ Show more

Learning Objectives

• Describe how Earth's systems transfer matter and energy within and between geosphere, hydrosphere, atmosphere, and biosphere.
• Explain feedback mechanisms such as albedo changes from ice cover, sediment transport, and nutrient movement.
• Understand energy sources, sinks, phase-change energy transfers, and how processes produce system-level patterns over time.

Learning Objectives

• Understand the concept of heritability and its role in genetic variation
• Distinguish between heritable and environmental influences on traits
• Describe basic mechanisms of inheritance and natural selection in populations+ Show more

Learning Objectives

• Understand the criteria used to classify matter into elements, compounds, and mixtures.
• Identify and distinguish between pure substances, homogeneous mixtures, and heterogeneous mixtures based on observable characteristics.
• Explain common separation techniques like filtration and distillation and their relevance to matter classification.+ Show more

Learning Objectives

• Explain the primary and secondary control surfaces on aircraft and their functions.
• Describe how deflection of control surfaces affects lift, moments, and aircraft maneuverability.
• Understand the concepts of control authority and aerodynamic stability related to control surfaces.+ Show more

Learning Objectives

• Describe the differences between elliptical and near-circular orbits.
• Explain how orbital speed varies with distance from the central body.
• Understand the balance of gravitational forces and inertial motion that produce stable orbits.+ Show more

Learning Objectives

• Explain how homologous structures provide evidence for common ancestry.
• Interpret molecular data such as DNA sequences to understand evolutionary relationships.
• Identify key features like vestigial organs and their significance in evolutionary history.+ Show more

Learning Objectives

• Understand the basic reproductive structures in plants and animals.
• Identify the functions of reproductive organs in humans and plants.
• Describe the process of reproduction in different organisms.+ Show more

Learning Objectives

• Describe the relative sizes, masses, and distances among the Sun, Earth, and Moon.
• Explain how gravitational interactions influence the orbital relationships within the Sun–Earth–Moon system.
• Understand the concept of the Earth–Moon barycenter and the Sun's role as the dominant gravitational influence.

Learning Objectives

• Understand the different types of symbiotic relationships: mutualism, commensalism, and parasitism.
• Identify and categorize real-world examples of symbiosis.
• Explain how symbiotic interactions influence organism fitness and community structure.+ Show more

Learning Objectives

• Define keystone species and explain how they affect community structure
• Identify evidence that suggests a species has keystone impacts
• Describe trophic cascades caused by changes in predator or mutualist populations+ Show more

Learning Objectives

• Explain how human activities can change habitat, nutrient cycles, and energy pathways in an ecosystem.
• Connect deforestation, pollution, and non-native species to effects on biodiversity and ecosystem services.
• Identify evidence-based cause-and-effect relationships between human actions and long-term ecosystem outcomes.

Learning Objectives

• Explain how Earth's axial tilt and orbital motion cause seasonal changes.
• Describe why hemispheres experience opposite seasons and how day length varies across the year.
• Identify key concepts such as solstices and equinoxes and their geometry.+ Show more

Learning Objectives

• Explain how genetic and environmental factors contribute to phenotypic variation in organisms.
• Describe the molecular processes that lead to genetic variation and their impact on structural and functional differences.
• Analyze evidence showing how environmental influences can modify gene expression and organismal traits across developmental stages.

Learning Objectives

• Understand how pressure differences influence weather and wind patterns.
• Identify the formation of high and low pressure zones due to heating and topography.
• Relate pressure gradients to regional wind phenomena like Chinook winds and local circulations.+ Show more