Grade 6 Worksheets

Learning Objectives

• Explain how adaptation tradeoffs can favor either specialization or broad tolerance.
• Compare how fitness benefits and costs differ for specialists and generalists in changing environments.
• Use examples (plants, insects, migration) to describe how environment affects survival and reproduction.

Learning Objectives

• Explain how DNA barcoding and sequence comparison help identify species.
• Describe how phylogenetic trees show relationships between organisms.
• Compare morphological classification keys with genetic evidence for delimiting species.+ Show more

Learning Objectives

• Explain how roles and communication protocols help teams complete scientific investigations.
• Use shared documentation standards, including versioning and attribution, to track changes in records.
• Identify strategies for resolving conflicting observations during team work.+ Show more

Learning Objectives

• Describe how current and voltage measurements help characterize how a circuit performs.
• Identify where measuring instruments are placed to measure current and voltage in a simple circuit.
• Interpret typical measurement patterns to compare low and high resistance components.+ Show more

Learning Objectives

• Compare insulators and conductors using ideas about free charge carriers.
• Explain how electrons are bound in insulators and how that reduces charge flow.
• Identify real-life insulators and select materials for protective coverings.+ Show more

Learning Objectives

• Describe how free electrons allow charge to flow in electrical conductors
• Compare how different materials behave as conductors or poorer conductors
• Explain how temperature, material type, and cross-sectional area affect conductivity

Learning Objectives

• Describe how robotic probes explore space using flyby, orbiter, lander, and sample-return mission types
• Explain how distance affects communication delay and mission planning
• Identify how propulsion, gravity assists, and instrumentation choices support data collection+ Show more

Learning Objectives

• Explain how the changing relative positions of the Sun, Earth, and Moon control the visible fraction of the Moon
• Sequence lunar phases using illumination geometry and recognize that the pattern repeats cyclically
• Differentiate lunar phases from eclipses by describing what each event requires+ Show more

Learning Objectives

• Describe how gravitational attraction and inertial motion work together to keep objects in orbit
• Compare near-circular and elliptical orbits and explain how orbital speed changes with distance
• Explain how orbital period relates to distance from a central body+ Show more

Learning Objectives

• Describe how optical and radio telescopes collect information about distant objects.
• Explain how spectrometers use wavelengths to infer composition, motion, and temperature.
• Compare ground-based and space-based observatories and justify why space avoids atmospheric distortion.+ Show more

Learning Objectives

• Describe the steps of an iterative design process used in aircraft and gliders.
• Use performance criteria and trade-offs to justify design choices related to lift, drag, weight, and stability.
• Interpret simple lift and drag measurements to decide how to refine a prototype.+ Show more

Learning Objectives

• Identify primary and secondary control surfaces and describe what each one controls in flight.
• Explain how deflecting a control surface changes local lift and creates a turning moment.
• Describe control authority and how it affects an aircraft's response compared with stability.+ Show more

Learning Objectives

• Describe the basic organization of circulatory, respiratory, digestive, and nervous systems.
• Explain the roles of tissues and organs within each organ system.
• Connect cellular functions to overall system-level processes and outcomes.+ Show more

Learning Objectives

• Identify claims made in presented media and text
• Determine the supporting evidence that backs up claims
• Differentiate between factual evidence and opinions+ Show more

Learning Objectives

• Explain how particle models describe matter as made of particles that are too small to see.
• Use particle ideas to predict what happens to a substance during melting, freezing, boiling, and condensation.
• Relate temperature and thermal energy to the motion and kinetic energy of particles.+ Show more

Learning Objectives

• Interpret patterns in observational and instrumental data related to natural hazards.
• Explain how recurrence intervals and frequency statistics help estimate when hazards may occur again.
• Use examples such as earthquake catalogs, storm tracks, and flood statistics to support risk assessment and response planning.

Learning Objectives

• Identify and classify major species interaction types: mutualism, competition, predation, and parasitism
• Use evidence to predict how species interactions can change across forest, grassland, and freshwater ecosystems
• Explain how niche partitioning, resource overlap, and behavioral strategies affect interaction strength

Learning Objectives

• Explain conservation of mass by tracking atoms and total mass in a closed system
• Use particle diagrams and symbolic models to show that atoms rearrange but their total count stays the same
• Connect mass measurements before and after changes to conservation of mass in physical and chemical processes

Learning Objectives

• Explain how changes in ecosystem components can cause population increases or declines using evidence.
• Interpret population data (birth/death rates, age structure, and growth curves) to make causal inferences.
• Use case studies (predator reintroduction, invasive species, habitat fragmentation, and disease outbreaks) to support claims.+ Show more

Learning Objectives

• Explain how gravitational attraction controls the motion of planets and satellites.
• Describe how gravity between the Sun and planets creates elliptical orbits and changes orbital speed.
• Connect orbital period and orbital speed to how distance affects gravitational pull.

Learning Objectives

• Explain how the relative positions of Earth, Moon, and Sun create lunar phases and eclipses.
• Describe the sequence of primary lunar phases and how illumination changes during the month.
• Identify the conditions for solar and lunar eclipses using line-of-sight and shadow explanations.+ Show more

Learning Objectives

• Explain how Earth’s rotation causes day and night.
• Describe how Earth’s orbit and 23.5° axial tilt lead to seasons.
• Use solstices and equinoxes as observable markers for seasonal change.+ Show more

Learning Objectives

• Explain how gravitational attraction depends on mass and distance using real-world examples.
• Describe how friction is a contact force that affects motion along surfaces.
• Use evidence to argue whether changes in motion are caused by gravity or friction.+ Show more

Learning Objectives

• Explain how conservation of momentum applies to isolated two-object systems during collisions.
• Describe action-reaction force pairs that occur during contact between two objects.
• Distinguish elastic and inelastic collisions using momentum and resulting motion.+ Show more

Learning Objectives

• Explain how solar energy and gravity drive the water cycle processes.
• Describe the roles of evaporation, condensation, precipitation, runoff, infiltration, and groundwater storage.
• Use reservoir and phase-change ideas to trace how water moves through air, land, and oceans.+ Show more

Learning Objectives

• Explain how geologic processes such as plate motion, volcanic uplift, mountain building, and sediment transport change Earth’s surface.
• Identify evidence of surface change in rock layers, fossils, uplifted terraces, and erosion rates.
• Compare rapid events (like volcanic eruptions and landslides) with slow processes (like weathering) using appropriate time scales.

Learning Objectives

• Identify biotic components in an ecosystem
• Understand the interactions between living and nonliving factors
• Explore how plants and animals influence their habitats

Learning Objectives

• Identify properties of crystalline solids
• Differentiate between crystalline and amorphous solids
• Understand how particle arrangements affect material properties

Learning Objectives

• Explain the main steps of the design cycle in engineering.
• Identify key considerations when designing aircraft and gliders.
• Understand how measurement and refinement improve aerodynamic performance.

Learning Objectives

• Understand what filtration is and how it separates mixtures.
• Identify key components involved in the filtration process.
• Explain observable evidence of filtration such as residue and liquid clarity.

Learning Objectives

• Identify the components of a well-structured paragraph, including topic sentences, supporting details, and concluding statements.
• Understand how paragraph organization enhances clarity and meaning in writing.
• Recognize examples of effective paragraph structure in various texts.

Learning Objectives

• Understand different conservation strategies for protecting coral reefs.
• Compare ecological trade-offs and effectiveness of various biodiversity solutions.
• Analyze case studies of habitat restoration and invasive species management.+ Show more

Learning Objectives

• Understand how to compare multiple design solutions using matrices and scoring rubrics.
• Learn to evaluate solutions based on quantitative criteria such as efficiency, durability, and cost.
• Analyze trade-offs in design choices to select the most promising options.+ Show more

Learning Objectives

• Understand the importance of clear roles in scientific teams
• Identify key principles that enhance team collaboration
• Recognize how documentation and communication support scientific work+ Show more

Learning Objectives

• Identify different types of signals that cells use for communication.
• Describe the basic pathways involved in cellular signaling.
• Differentiate between rapid nerve impulses and longer-term hormonal responses.+ Show more

Learning Objectives

• Understand the concept of energy efficiency and how it compares useful energy output to total energy input.
• Identify examples of energy use in everyday devices and activities.
• Recognize factors that lead to energy losses such as friction and resistance.+ Show more

Learning Objectives

• Identify atoms and molecules in chemical formulas
• Recognize models and representations of molecules
• Describe the composition of H2O and NaCl+ Show more

Learning Objectives

• Identify different types of renewable energy sources
• Understand the benefits of renewable energy for the environment
• Recognize conservation measures and circular resource use+ Show more

Learning Objectives

• Understand how animals consume and incorporate matter from food
• Explain the processes by which matter is used and expelled in animals
• Identify how energy and matter from food support animal life functions

Learning Objectives

• Understand how plants grow and develop
• Identify how plants store energy for future use
• Recognize the parts of a plant involved in growth and energy storage+ Show more

Learning Objectives

• Understand how scientific evidence influences explanations
• Recognize the process of refining scientific ideas
• Differentiate between scientific theories and laws+ Show more

Learning Objectives

• Identify different types of food molecules
• Understand the functions of carbohydrates, proteins, and fats
• Learn how digestive processes break down food molecules into smaller parts+ Show more

Learning Objectives

• Understand the structure and function of the respiratory system, especially the lungs.
• Learn how gases are exchanged in the lungs through diffusion.
• Understand the role of the respiratory and digestive systems in supporting cellular energy.+ Show more

Learning Objectives

• Explain what evaporation is and how it separates substances
• Identify evidence of evaporation in experiments
• Differentiate evaporation from other separation methods

Learning Objectives

• Understand the concept of control coupling and its impact on aircraft maneuverability
• Identify aerodynamic interactions among roll, pitch, and yaw controls
• Describe techniques used to mitigate adverse control effects+ Show more

Learning Objectives

• Understand the basic components of a system.
• Identify how parts of a system interact and influence each other.
• Learn cause-and-effect reasoning in system design.+ Show more

Learning Objectives

• Identify observable properties such as color, hardness, and texture of different materials.
• Describe physical characteristics of common materials like copper, wood, and glass.
• Understand how properties help classify substances and predict behavior.

Learning Objectives

• Identify assumptions made in simple scientific models.
• Explain how models are used to support scientific explanations.
• Recognize the limitations of models and how evidence refines them.+ Show more