Grade 6 Science Worksheets

Learning Objectives

• Explain how Earth’s rotation causes the apparent daily motion of the Sun and stars from an Earth-based perspective.
• Describe how Earth’s orbital motion and the tilt of Earth help explain the apparent annual change in the Sun’s position.
• Use vocabulary such as horizon, celestial sphere, rising, setting, and diurnal to interpret predictable sky patterns.+ Show more

Learning Objectives

• Explain the four aerodynamic forces (lift, drag, thrust, and weight) and how they act on an object in motion through air.
• Use ideas of vector direction and magnitude to predict how forces affect climb, level cruise, and descent.
• Identify equilibrium conditions for steady, level flight by comparing lift and weight and thrust and drag.

Learning Objectives

• Explain how mixed (series-parallel) circuits can be decomposed into simpler series and parallel subcircuits.
• Predict how current and voltage distribute in series blocks and parallel branches within a combined circuit.
• Diagnose how component failure or removal affects brightness and meter readings in different parts of a mixed circuit.

Learning Objectives

• Explain how solar and lunar eclipses happen due to alignment within the Earth–Moon–Sun system.
• Distinguish umbra and penumbra and relate them to what people can see during an eclipse.
• Describe how spring and neap tides result from the changing gravitational alignment of the Moon and Sun.+ Show more

Learning Objectives

• Define symbiosis and explain how close relationships between species can affect survival and reproduction.
• Categorize symbiotic interactions as mutualism, commensalism, or parasitism using concrete examples.
• Explain how symbiotic relationships influence organism fitness, resource distribution, and community composition.+ Show more

Learning Objectives

• Explain how relative dating and stratigraphic principles help determine the sequence of geologic events.
• Describe how absolute dating (radiometric dating) estimates the ages of rocks and geologic events.
• Interpret the geologic time scale and fossil succession to reconstruct Earth’s past environments.+ Show more

Learning Objectives

• Explain how the law of conservation of mass applies to closed systems during physical and chemical changes.
• Use before-and-after measurements to make evidence-based conclusions about mass conservation.
• Distinguish between closed systems and open systems, noting how mass exchange affects measured mass.

Learning Objectives

• Define mass and volume and explain how they relate to density
• Calculate density using density = mass ÷ volume and interpret the result with correct units
• Use density comparisons to predict whether objects will float or sink+ Show more

Learning Objectives

• Explain the difference between raw observations and explanatory science claims.
• Use evidence to decide whether a scientific claim is strongly supported or weakly supported.
• Interpret patterns in data to strengthen (or question) an inference.+ Show more

Learning Objectives

• Explain how the heart’s rhythmic pumping creates pressure that moves blood through the circulatory system.
• Compare the structure and function of arteries, veins, and capillaries in transporting blood.
• Describe how capillaries enable exchange of oxygen, nutrients, and wastes between blood and body cells.

Learning Objectives

• Explain how to follow safety procedures when using common lab materials and heat sources.
• Identify ethical expectations for reporting results accurately, honestly, and with proper attribution.
• Present data clearly by describing results, limitations, and any safety-relevant observations.

Learning Objectives

• Describe how evaporation separates a soluble solid from a liquid by changing the liquid into a gas
• Use evidence (disappearance of liquid and recovered mass) to explain whether evaporation worked
• Distinguish evaporation from size-based separation methods

Learning Objectives

• Use ball-and-stick and space-filling models to describe how atoms are arranged in simple molecules and extended structures.
• Interpret chemical formulas to determine relative atom types and counts in H2O and NaCl.
• Explain how repeating units build polymer chains and how ionic lattices differ from molecules.

Learning Objectives

• Explain how energy flows through trophic levels in pond, grassland, and forest food webs.
• Describe how photosynthesis and cellular respiration contribute to an energy budget in ecosystems.
• Compare how energy transfer efficiency changes from one trophic level to the next using energy pyramids.

Learning Objectives

• Identify evidence from microscopy and preserved specimens that supports the claim that cells are the basic unit of life.
• Differentiate single-celled organisms from multicellular organisms using observable traits such as size, compartments, and organization.
• Explain how characteristics seen in cells and tissues provide evidence for relationships among cells, tissues, organs, and whole organisms.

Learning Objectives

• Explain how Earth’s geosphere, hydrosphere, atmosphere, and biosphere interact through transfers of matter and energy.
• Use cause-and-effect reasoning to describe feedbacks (e.g., albedo changes, sediment transport, nutrient cycling).
• Identify energy sources, energy sinks, and phase-change energy transfers in system models over time.

Learning Objectives

• Explain the main processes of the water cycle: evaporation, condensation, precipitation, runoff, infiltration, and groundwater storage.
• Trace how energy from the Sun and gravity move water through different reservoirs on Earth.
• Use conceptual and graphical models to describe mass transfer and energy flows in oceans, ice, rivers, and aquifers.

Learning Objectives

• Explain how air masses, pressure systems, and fronts interact to produce local and regional weather.
• Interpret surface weather maps, temperature/pressure measurements, and radar observations to describe precipitation and wind shifts.
• Use weather observations to describe severe events such as thunderstorms and squall lines.+ Show more

Learning Objectives

• Explain how net force (the vector sum of forces) affects an object's motion.
• Use the relationship net force = mass × acceleration to predict changes in motion.
• Distinguish between balanced and unbalanced forces using real-world scenarios.

Learning Objectives

• Explain how gravity depends on mass and distance using examples such as Earth–Moon and falling objects.
• Distinguish gravity (a non-contact force) from friction (a contact force) by describing how each changes motion.
• Use evidence to support an argument about gravitational interactions and orbital behavior.

Learning Objectives

• Define a design problem by listing required functions and measurable success measures.
• Identify constraints (such as materials, cost, and safety) and explain why they limit possible solutions.
• Use cause-and-effect reasoning to predict how design choices may affect people and natural systems.

Learning Objectives

• Explain how genes on chromosomes can pass traits from parents to offspring.
• Use Mendelian cross models to predict possible offspring trait ratios for dominant and recessive traits.
• Apply simple probability to interpret and compare modeled outcomes.+ Show more

Learning Objectives

• Identify the three main mechanisms of heat transfer: conduction, convection, and radiation.
• Use evidence from everyday examples to determine which mechanism is most likely occurring.
• Explain how temperature and state changes can indicate the dominant heat-transfer pathway.

Learning Objectives

• Explain what a pure mixture is and how mixtures combine two or more substances without forming a new single substance
• Compare uniform (homogeneous) and nonuniform (heterogeneous) mixtures using observable patterns
• Connect visible differences in components to appropriate separation techniques

Learning Objectives

• Explain how observable properties (color, hardness, texture) help describe matter.
• Classify substances as solids, liquids, or gases using physical properties and form.
• Use evidence from comparisons to predict how materials may behave.

Learning Objectives

• Explain how a magnet can separate a mixture based on magnetic properties
• Identify which materials are attracted to a magnet and which are not
• Describe observations and results of magnetic separation using scientific language+ Show more

Learning Objectives

• Explain how dichotomous and multi-access keys use contrasting traits to identify organisms
• Construct simple decision branches by writing clear, observable, mutually exclusive choices
• Evaluate and improve key accuracy by testing with local taxa and revising unclear steps

Learning Objectives

• Categorize aerodynamic drag into parasitic drag and induced drag
• Explain how form drag, skin-friction drag, and interference drag contribute to parasitic drag
• Describe why induced drag is tied to lift production and wing span+ Show more

Learning Objectives

• Describe how elliptical and near-circular orbits differ in distance from the central body
• Explain how orbital speed changes as an orbiting object moves closer to or farther from the central body
• Summarize how the balance of gravity and inertial motion creates stable orbiting paths for natural and artificial satellites+ Show more

Learning Objectives

• Define electric charge and explain how charge separation can happen.
• Compare static electricity (accumulated charge on insulators) with current electricity (flowing charge through conductors).
• Use macroscopic observations (hair attraction, sparks) to describe charge imbalance.+ Show more

Learning Objectives

• Apply the steps of the scientific method to a local stewardship issue using respectful community engagement.
• Explain how consent and cultural sensitivity protect community members when collecting observations.
• Describe how to validate community-contributed records and communicate findings to non-specialist audiences.

Learning Objectives

• Explain how to connect a scientific claim to relevant evidence and reasoning.
• Use graphs, diagrams, and models to communicate data clearly and accurately.
• Revise scientific writing by checking for clarity, credibility, and proper citation of sources.

Learning Objectives

• Explain electric current as the organized movement of electric charges through a conductor.
• Distinguish conventional current direction from electron flow in a circuit.
• Describe potential difference as the driving force that pushes charges to move.+ Show more

Learning Objectives

• Explain how plant structures (roots, stems, leaves, vascular tissues, flowers, seeds) help organisms survive and reproduce.
• Describe how animal organ systems (digestive, respiratory, circulatory) support key life processes and maintain homeostasis.
• Use examples to connect structure to function, including transport of materials and responses to environmental conditions.

Learning Objectives

• Explain the main steps of the hydrologic cycle and how water moves between the atmosphere, land surface, and groundwater.
• Describe how watersheds, infiltration, runoff, aquifers, and groundwater discharge affect water availability.
• Interpret simple evidence from streamflow and groundwater recharge to understand regional water sustainability.+ Show more

Learning Objectives

• Explain how scientific investigations and technological development influence each other.
• Describe how instruments and data-collection tools extend observation and improve measurement.
• Use examples to show how better technology can change the scope of scientific questions.+ Show more

Learning Objectives

• Explain how Earth’s rotation causes day and night.
• Describe how Earth’s tilted axis and orbit lead to seasons and changing day length.
• Relate the Moon’s orbit to repeating Moon phases.+ Show more

Learning Objectives

• Distinguish goals from constraints in the design process
• Identify criteria that describe what success looks like
• Use constraints to explain why certain design solutions are limited

Learning Objectives

• Distinguish weather from climate using everyday examples and correct scientific meanings
• Explain why weather changes quickly while climate changes over long time periods
• Identify variables (temperature, precipitation, wind, cloud cover) and describe how they can be observed

Learning Objectives

• Explain how material properties help meet a design’s demands (strength, water resistance, conductivity, and durability).
• Compare materials by considering performance and practical limits like cost, availability, and ease of shaping.
• Use an example water filtration design to describe how membrane thickness, pore size, and durability affect results over time.

Learning Objectives

• Explain how design improvements can create trade-offs among safety, cost, weight, and comfort.
• Connect material and design properties (strength, insulation, flexibility, friction) to user needs and real constraints.
• Use evidence from a scenario to justify which choice best fits the situation.

Learning Objectives

• Explain how climate graphs use many years of data to show patterns, averages, and variability.
• Identify seasonal trends (wet/dry periods and temperature swings) from descriptions of climate data.
• Compare current climate data to historical baselines to determine whether patterns are stable or changing.

Learning Objectives

• Explain how filtration separates mixtures using particle size and whether particles can pass through a barrier.
• Describe what happens to sand and water during filtration and how their positions change.
• Use observable evidence (such as sediment thickness and water clarity) to support a filtration claim.

Learning Objectives

• Identify the function of key circuit components: power sources, resistive loads, switches, and connectors.
• Match physical components to common schematic ideas and explain how symbols represent those functions.
• Describe qualitatively how component behavior affects current and voltage in simple circuits (like lights or small motors).

Learning Objectives

• Explain how feedback mechanisms help maintain homeostasis in the human body.
• Describe how the nervous, endocrine, and circulatory systems work together during system integration.
• Use examples (temperature control and blood glucose regulation) to identify cause-and-effect relationships in body responses.

Learning Objectives

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

Learning Objectives

• Explain what a pressure map shows about airflow over an airfoil surface
• Identify how stagnation points, suction peaks, and pressure minima relate to lift
• Describe how changes in camber and angle of attack shift pressure coefficient patterns across the chord+ Show more

Learning Objectives

• Explain why risk assessment, proper tool use, and hazard prevention are essential in science investigations.
• Apply ethical responsibilities such as humane treatment of organisms, informed consent, and confidentiality.
• Identify safe procedures for handling materials, preventing hazards, and reporting incidents accurately.