Grade 6 Science Worksheets

Learning Objectives

• Explain how neurons transmit information as electrical impulses and communicate at synapses using neurotransmitters.
• Describe how integration centers interpret sensory input and produce motor output to control muscles and glands.
• Compare nervous regulation with endocrine signaling in coordinating short-term and long-term body responses.

Learning Objectives

• Select and handle measurement tools safely by following proper PPE, storage, and cleaning practices.
• Explain why calibration checks and battery management help prevent inaccurate data and equipment damage.
• Use contamination-prevention protocols when working near wetlands or river edges.

Learning Objectives

• Identify common circuit symbols for cells, batteries, resistors, lamps, switches, ammeters, and voltmeters
• Explain how the orientation and placement of symbols shows how components are connected
• Interpret series, parallel, and mixed circuit topologies from schematic diagrams

Learning Objectives

• Identify the main parts of a cell and their functions
• Understand the role of cell membranes, cytoplasm, nucleus, and organelles
• Explain how cell parts work together to support life processes

Learning Objectives

• Explain how magnetic separation sorts mixtures based on magnetic properties
• Describe what happens to magnetic vs. nonmagnetic materials when a magnet is used
• Use observations to justify the separation results without changing substances

Learning Objectives

• Define what mixtures are and identify examples.
• Differentiate between uniform and non-uniform mixtures.
• Recognize common properties and components of mixtures.+ Show more

Learning Objectives

• Define what a key is and explain its purpose in classification.
• Identify different types of keys such as dichotomous and multi-access keys.
• Understand how traits and characteristics are used to construct decision paths in keys.+ Show more

Learning Objectives

• Describe how heat energy is transferred by conduction, convection, and radiation.
• Use temperature, material type, and particle motion clues to identify the dominant heat transfer mechanism.
• Explain how temperature change and state change can indicate which transfer mechanism is occurring.

Learning Objectives

• Explain how habitat fragmentation changes connectivity between habitat patches
• Describe how fragmentation can reduce gene flow and movement of pollinators
• Use key metrics to compare fragment size and corridor value+ Show more

Learning Objectives

• Identify common circuit symbols for cells, batteries, resistors, lamps, switches, ammeters, and voltmeters.
• Interpret how wire connections in a schematic represent series and parallel circuit topology.
• Predict circuit behavior by tracing paths in a diagram and understanding where meters are placed.

Learning Objectives

• Explain how evaluation results guide iterative improvements in a design
• Identify how revised designs can improve performance while respecting constraints and safety limits
• Use cause-and-effect reasoning to predict what design changes should happen next

Learning Objectives

• Describe how the Sun, Earth, and Moon differ in relative size, mass, and mean distance.
• Explain how gravitational interactions create stable orbits for the Earth and Moon.
• Model the Earth–Moon system’s shared orbital motion around a barycenter.+ Show more

Learning Objectives

• Explain how physical, diagrammatic, and mathematical models represent real-world systems
• Identify model assumptions and define boundaries when interpreting model predictions
• Compare model predictions with observations to determine limitations and refine the model+ Show more

Learning Objectives

• Understand the concept of ecological adaptations and how they represent trade-offs.
• Differentiate between specialist and generalist strategies in plant and animal species.
• Analyze examples of adaptations in mountain versus lowland plants and nocturnal versus diurnal insects.+ Show more

Learning Objectives

• Explain how increasing angle of attack changes lift and can lead to stall
• Identify how wing incidence and control inputs change effective angle of attack
• Describe how critical angle can vary with airfoil shape, flap settings, and air conditions

Learning Objectives

• Understand the roles of team members in scientific projects
• Recognize the importance of shared documentation standards
• Identify principles of constructive critique and peer review+ Show more

Learning Objectives

• Identify different sources of errors in scientific data
• Distinguish between systematic and random errors
• Learn methods for estimating the effects of errors on data accuracy+ Show more

Learning Objectives

• Explain how the lithosphere, hydrosphere, atmosphere, and biosphere are connected in Earth systems.
• Describe how energy from the Sun drives cycles such as the water cycle and influences weather and climate.
• Use cause-and-effect reasoning to predict how changes in one Earth system can affect others.+ Show more

Learning Objectives

• Identify the parts of a system and understand their roles
• Explain how different components interact within a system
• Use cause-and-effect reasoning to analyze system behavior+ Show more

Learning Objectives

• Describe how parallel circuits create multiple branching pathways for current
• Explain why the potential difference across parallel branches is equal
• Use current relationships to predict how overall current depends on branch currents+ Show more

Learning Objectives

• Identify the four main Earth's systems: lithosphere, hydrosphere, atmosphere, and biosphere.
• Describe how the Sun's energy drives cycles within Earth's systems.
• Explain the cause-and-effect relationships between Earth's systems.+ Show more

Learning Objectives

• Identify different sources of pollution
• Understand the types of pollutants and their impact
• Learn how pollutants bioaccumulate and biomagnify+ Show more

Learning Objectives

• Explain how long-term measurements differ from short-term weather observations
• Interpret climate graphs to identify averages, variability, and the likelihood of extremes
• Use historical baselines to compare current climate patterns and detect possible shifts

Learning Objectives

• Explain the difference between fundamental and realized niches using abiotic factors and biotic interactions
• Describe how temporal and spatial partitioning can reduce competition among similar species
• Predict how changes in environmental conditions may shift niche use through measurable parameters and behavioral flexibility

Learning Objectives

• Explain how Earth’s rotation causes day and night.
• Describe how Earth’s tilted axis and orbit lead to seasons and changes in day length.
• Predict how Moon phases repeat due to the Moon’s orbit around Earth.+ Show more

Learning Objectives

• Explain how leaf structures support photosynthesis, gas exchange, and transpiration.
• Compare how needlelike conifers and broadleaf deciduous trees differ in leaf function across seasons.
• Describe how stomata, leaf area, and chlorophyll affect growth and water-use efficiency.

Learning Objectives

• Learn about materials that act as electrical conductors.
• Understand how physical properties affect conductivity.
• Identify real-world examples of conductors like copper and graphite.+ Show more

Learning Objectives

• Describe how gravitational force and inertial motion together produce an orbiting path
• Compare near-circular and elliptical orbits and explain how orbital speed changes with distance
• Identify qualitative relationships among orbital period, distance from the central body, and satellite energy+ Show more

Learning Objectives

• Explain how observed circuit symptoms can be used to infer likely faults using circuit topology and component behavior.
• Predict measurement patterns for series and parallel circuits and compare them to real observations during troubleshooting.
• Identify which component or connection is most likely causing incorrect readings such as unequal brightness, unexpected current, or open continuity.

Learning Objectives

• Understand what an organ is and its role in the body.
• Identify the structure and function of the heart as an organ.
• Recognize how tissues work together within organs to perform specific functions.+ Show more

Learning Objectives

• Identify common chemical indicators and connect them to evidence of chemical reactions.
• Distinguish evidence of chemical change from evidence of physical change.
• Use observations and reactant information to make stronger claims about chemical transformation.

Learning Objectives

• Understand the concepts of voltage and current in electrical circuits.
• Learn where and how to measure voltage and current in circuits.
• Interpret typical readings to infer circuit behavior.+ Show more

Learning Objectives

• Explain how Earth’s axial tilt and its yearly orbital motion produce seasonal changes.
• Describe why opposite seasons occur in the Northern and Southern Hemispheres.
• Use solstice and equinox geometry to relate sunlight angle and day length to seasonal energy distribution.+ Show more

Learning Objectives

• Understand the standard symbols used in electrical circuits
• Identify symbols for batteries, resistors, lamps, switches, ammeters, and voltmeters
• Learn how to interpret circuit diagrams to determine circuit behavior+ Show more

Learning Objectives

• Describe the main functions of artificial satellites for Earth observation, communication, navigation, and scientific monitoring.
• Compare geostationary and polar orbits using simple features and common uses.
• Classify satellites into operational, scientific, and reconnaissance roles in nontechnical terms.

Learning Objectives

• Explain how models help us understand science concepts while also having limitations
• Identify assumptions in a model and describe what those assumptions allow or restrict
• Use evidence to judge whether a model’s predictions match observed results+ Show more

Learning Objectives

• Understand the stages of the water cycle
• Identify the processes involved in water movement and storage
• Recognize how land cover and temperature influence the water cycle

Learning Objectives

• Explain how birth and death rates, immigration, and emigration affect population size over time
• Differentiate exponential growth from logistic growth using the ideas of resources and carrying capacity
• Identify how density-dependent and density-independent factors influence populations+ Show more

Learning Objectives

• Identify the main idea and key details about biodiversity roles.
• Explain how different species interact to support ecosystem functions.
• Use vocabulary such as keystone species, indicator species, pollination, seed dispersal, and nutrient cycling.

Learning Objectives

• Describe major ways human activities affect forests and forest ecosystems.
• Explain how habitat fragmentation and pollution can harm species and water quality.
• Identify how cumulative effects can change ecological processes over time.+ Show more

Learning Objectives

• Explain diurnal rising and setting as apparent motion caused by Earth’s rotation
• Describe how Earth’s orbit around the Sun leads to apparent changes in the Sun’s position over a year
• Use the celestial sphere and horizon concepts to interpret the apparent paths of visible stars

Learning Objectives

• Use a dichotomous key to identify an organism based on contrasting traits
• Construct a simple binary branch by choosing traits that split options clearly
• Evaluate identification accuracy by checking how traits vary by stage or sex

Learning Objectives

• Identify producers, consumers, and decomposers in food webs and explain how each gets energy.
• Describe how energy decreases across trophic levels and how matter cycles through decomposers.
• Use food-web relationships to predict the effects of removing or increasing a species.

Learning Objectives

• Identify whether a conclusion follows from the evidence and methods described
• Match the scope of a claim to the strength and limits of the data
• Use criteria like relevance, consistency, and uncertainty to evaluate claims

Learning Objectives

• Describe the three main pathways of heat transfer: conduction, convection, and radiation.
• Identify examples of each heat transfer mechanism in real-world contexts.
• Explain how temperature change and state change indicate which transfer pathway dominates.

Learning Objectives

• Explain the difference between structural and physiological adaptations and how each supports survival
• Link specific organism traits to advantages such as feeding, defense, camouflage, and reproduction
• Use natural selection ideas to describe how helpful traits can become more common over generations

Learning Objectives

• Understand the process of evaporation as a method of separating a soluble solid from a liquid.
• Identify evidence that indicates evaporation has occurred.
• Distinguish evaporation from other separation methods based on state change.

Learning Objectives

• Explain the major functions of artificial satellites in Earth observation, communication, navigation, and scientific monitoring
• Compare geostationary and polar orbits and describe why orbit choice matters
• Identify common sensor payloads and describe how satellite data supports predictions and mapping+ Show more