Grade 6 Science Worksheets

Learning Objectives

• Explain how cellular respiration converts energy in food into usable energy for cells
• Describe the roles of oxygen and waste products during cellular respiration
• Connect cellular respiration to matter and gas exchange between organisms and their environment+ Show more

Learning Objectives

• Identify primary and secondary control surfaces such as ailerons, elevators, rudder, and flaps.
• Explain how deflection of control surfaces affects aircraft roll, pitch, and yaw.
• Understand the concepts of control authority, aerodynamic stability, and responsiveness during maneuvers.+ Show more

Learning Objectives

• Explain how photosynthesis provides carbon-based molecules that plants use to build new tissues.
• Describe how carbohydrates, proteins, and fats contribute to plant structure and function.
• Connect plant biomass growth to a continuous supply of matter and energy through chemical processes.

Learning Objectives

• Explain energy efficiency as the ratio of useful output energy to total input energy.
• Identify common sources of energy loss in machines, lighting, and heating.
• Use efficiency ideas to compare technologies and suggest practical improvements.

Learning Objectives

• Describe the roles of key cell organelles such as the nucleus, mitochondria, ribosomes, and chloroplasts.
• Explain how cell structure relates to cell function in plant and animal cells.
• Identify organelles responsible for energy production, protein synthesis, waste removal, and genetic control.+ Show more

Learning Objectives

• Compare different conservation strategies and their ecological trade-offs.
• Analyze case studies such as coral reef restoration and riparian buffer implementation.
• Evaluate the effectiveness of various ecosystem management practices under environmental pressures.+ Show more

Learning Objectives

• Explain the components and flow of energy within terrestrial and aquatic food webs.
• Identify producers, consumers, and decomposers and their roles in ecosystems.
• Analyze energy pyramids and understand trophic transfer efficiency.+ Show more

Learning Objectives

• Construct evidence-based arguments linking ecosystem component changes to population increases or decreases.
• Analyze case studies such as predator reintroduction, invasive species, habitat fragmentation, and disease outbreaks.
• Interpret empirical data sets and longitudinal observations to infer causality in population responses.+ Show more

Learning Objectives

• Describe matter as made up of particles too small to see.
• Explain particle motion, collisions, and spacing in different states of matter.
• Relate temperature and thermal energy to particle movement and pressure in gases.+ Show more

Learning Objectives

• Identify examples of the biosphere, hydrosphere, atmosphere, and geosphere
• Identify the crust, mantle, outer core, and inner core
• Compare Earth's spheres with its interior layers+ Show more

Learning Objectives

• Identify mutualism, commensalism, and parasitism from examples.
• Compare how organisms gain or lose resources through symbiosis.
• Explain how symbiotic relationships affect organisms involved.+ Show more

Learning Objectives

• Explain how models represent systems, processes, or possible solutions
• Compare model behavior with observations from real systems
• Identify limitations caused by scale, materials, or omitted features+ Show more

Learning Objectives

• Identify repeated patterns in scientific observations
• Explain why associations do not automatically establish causation
• Describe how changing one factor tests a possible cause+ Show more

Learning Objectives

• Explain how Earth's axial tilt changes sunlight angle during the year
• Compare seasonal sunlight patterns in Earth's two hemispheres
• Describe how daylight length changes with Earth's axial tilt+ Show more

Learning Objectives

• Identify the major internal layers of Earth and their basic properties.
• Compare divergent, convergent, and transform plate boundaries.
• Explain how mantle convection contributes to tectonic plate movement.+ Show more

Learning Objectives

• Identify human activities that change natural systems and communities
• Explain how habitat fragmentation affects population viability
• Describe effects of pollution and land-use change on populations+ Show more

Learning Objectives

• Identify renewable and nonrenewable natural resources
• Explain why natural resources are distributed unevenly across regions
• Describe environmental effects of natural resource extraction+ Show more

Learning Objectives

• Distinguish observations from measurements using appropriate SI units
• Calculate a mean from repeated trial measurements
• Choose data displays that reveal patterns and relationships+ Show more

Learning Objectives

• Identify major plant structures and describe their functions.
• Explain how xylem and phloem transport materials through plants.
• Describe the functions of digestive, respiratory, and circulatory systems.+ Show more

Learning Objectives

• Identify atmospheric features that influence regional weather and climate.
• Explain how air masses and fronts affect weather conditions.
• Describe how pressure systems and prevailing winds influence air movement.+ Show more

Learning Objectives

• Explain how stratigraphic relationships establish relative ages of rocks and events.
• Distinguish relative dating from absolute dating methods.
• Describe how radiometric dating estimates numerical ages of rocks.+ Show more

Learning Objectives

• Identify the objects involved in an interaction force pair
• Describe the magnitude and direction of paired forces
• Explain why force-pair forces do not cancel on one object+ Show more

Learning Objectives

• Identify minerals using hardness, cleavage, color, luster, streak, and density.
• Classify rocks as igneous, sedimentary, or metamorphic.
• Explain how grain size provides clues about igneous rock formation.+ Show more

Learning Objectives

• Identify renewable and nonrenewable natural resources
• Explain why natural resources are distributed unevenly across regions
• Describe environmental effects of natural resource extraction+ Show more

Learning Objectives

• Identify observations that can lead to investigable questions
• Distinguish descriptive, comparative, and experimental approaches
• Explain how tools and safety practices support investigations+ Show more

Learning Objectives

• Explain how Moon and Sun gravity contributes to tidal patterns
• Compare daily tides with spring and neap tide conditions
• Interpret Earth-Moon-Sun positions to explain tidal range+ Show more

Learning Objectives

• Calculate net force from opposite forces acting on one object
• Distinguish balanced forces from unbalanced forces using net force
• Interpret force diagrams by identifying magnitude and direction+ Show more

Learning Objectives

• Identify biotic and abiotic components within an ecosystem
• Distinguish populations from communities using ecological examples
• Explain how resources influence organism distribution in habitats+ Show more

Learning Objectives

• Identify producers, consumers, and decomposers in food chains
• Explain how energy moves through different trophic levels
• Distinguish simple food chains from connected food webs+ Show more

Learning Objectives

• Identify major abiotic factors that influence habitat conditions
• Explain how temperature, water, and light affect organisms
• Describe how soil composition, pH, and salinity influence organisms+ Show more

Learning Objectives

• Explain how conservation can reduce unnecessary resource use
• Compare conservation and efficiency as resource-management strategies
• Analyze effects of resource decisions on people and environments+ Show more

Learning Objectives

• Explain how scientific research can contribute to technological innovation
• Compare sources using creators, evidence, and references
• Identify benefits, costs, safety, and access issues in technology+ Show more

Learning Objectives

• Explain how births and deaths influence population size
• Describe how immigration and emigration change populations
• Compare exponential and logistic population growth patterns+ Show more

Learning Objectives

• Identify processes connecting igneous, sedimentary, and metamorphic rocks
• Construct multiple possible pathways through the rock cycle
• Explain conditions required for different rock-cycle transitions+ Show more

Learning Objectives

• Explain how gravity influences motions within the solar system
• Describe how Earth's rotation creates the cycle of day and night
• Explain how axial tilt and revolution contribute to seasonal patterns+ Show more

Learning Objectives

• Identify hypotheses as testable proposed explanations
• Distinguish the roles of theories and scientific laws
• Identify claims, evidence, and reasoning in scientific arguments+ Show more

Learning Objectives

• Identify gravitational, frictional, magnetic, applied, and normal forces
• Classify forces as contact or noncontact interactions
• Interpret force arrows to determine force direction+ Show more

Learning Objectives

• Identify structural, physiological, and behavioral adaptations
• Explain how adaptations help organisms survive environmental conditions
• Compare adaptations such as water storage, insulation, and migration+ Show more

Learning Objectives

• Identify how connected system parts interact
• Explain how structure supports the function of system parts
• Describe how energy and matter move through systems+ Show more

Learning Objectives

• Understand principles of team-based organization and communication in scientific collaboration.
• Identify key components such as versioning, attribution, and peer review in scientific teamwork.
• Evaluate the importance of diverse disciplinary perspectives and standard protocols in collaboration.+ Show more

Learning Objectives

• Explain the relationship between electrical energy transfer and power dissipation in circuit elements.
• Describe how power relates to current and voltage in electrical devices.
• Identify everyday examples of power usage and discuss efficiency considerations.+ Show more

Learning Objectives

• Understand the basic structure and function of the respiratory system.
• Identify how surface area adaptations increase respiratory efficiency.
• Explain the process of gas exchange via diffusion in the lungs and gills.+ Show more

Learning Objectives

• Understand fundamental methods of data analysis and representation
• Identify and organize data using tables and graphs
• Interpret trends, outliers, and basic summary measures from data+ Show more

Learning Objectives

• Understand foundational safety principles for responsible scientific practice.
• Recognize ethical considerations including humane treatment and confidentiality.
• Identify proper protocols for hazard prevention and risk assessment.+ Show more

Learning Objectives

• Explain how cells, tissues, organs, organ systems, and organisms relate to each other in levels of organization
• Use examples to show how changes at one level can affect higher levels of life
• Identify the main idea of passages about biological organization

Learning Objectives

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

Learning Objectives

• Explain the sequence and geometry of lunar phases based on the relative positions of the Sun, Earth, and Moon.
• Identify and differentiate between the various lunar phases such as new, crescent, quarter, gibbous, and full.
• Describe the geometric illumination patterns that produce changing visible fractions of the Moon.+ Show more

Learning Objectives

• Describe the major components of the solar system, including planets, dwarf planets, and belts.
• Compare and contrast terrestrial planets with gas giants in terms of composition, size, and orbital characteristics.
• Explain the factors influencing planetary habitability, such as atmosphere, surface conditions, and energy sources.+ Show more