Grade 6 Science Worksheets

Learning Objectives

• Describe the orbital motions and gravitational interactions within the solar system.
• Explain how Earth's axial tilt and revolution cause seasonal changes.
• Identify the phases of the Moon and understand lunar cycles.+ Show more

Learning Objectives

• Differentiate between goals, criteria, and constraints in the design process
• Use criteria and constraints to interpret evidence from tests
• Identify real-world examples of constraints such as tools, size, safety rules, and environmental conditions

Learning Objectives

• Understand major observation technologies used to study the solar system.
• Identify differences between ground-based and space-based instruments.
• Describe how different wavelengths provide information about planetary composition, temperature, and motion.+ Show more

Learning Objectives

• Explain how structural adaptations help organisms survive in specific habitats
• Identify examples of structural traits related to food gathering, movement, and avoiding predation
• Use structure–function reasoning to predict how a trait supports survival needs

Learning Objectives

• Define mass and volume, and distinguish between them.
• Explain density as the ratio of mass to volume.
• Calculate density for simple solids and liquids using whole-number values.+ Show more

Learning Objectives

• Explain how clouds form when water vapor cools and condenses onto tiny particles in the atmosphere.
• Describe how different precipitation types form as droplets or ice crystals grow and fall.
• Connect precipitation patterns to temperature, moisture, and atmospheric conditions.

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 flow strength and wind energy affect the size of particles that can be transported
• Describe how decreasing energy leads to sorting, with larger grains settling before finer sediments
• Use grain-size sorting patterns to infer how environments like streams, beaches, and deltas may have changed

Learning Objectives

• Explain how the water cycle moves water through Earth systems and affects where freshwater is available.
• Describe the roles of evaporation, precipitation, runoff, infiltration, and groundwater recharge.
• Identify how storage in glaciers and aquifers influences water supply over time.+ Show more

Learning Objectives

• Understand the key principles for designing valid controlled tests.
• Learn how to articulate hypotheses in measurable terms.
• Identify appropriate control groups and sample size considerations.+ Show more

Learning Objectives

• Explain how systems thinking views a solution as interacting parts with inputs, outputs, and pathways
• Use cause-and-effect reasoning to predict how changing one component affects overall performance
• Identify feedback signals and pathways in a real-world design problem+ Show more

Learning Objectives

• Explain how filtration separates a mixture using a barrier that particles can or cannot pass through
• Describe how residue and filtrate form during filtration and relate them to observable evidence
• Predict what will happen to sediment and liquid clarity when different filter pore sizes are used

Learning Objectives

• Explain how variables are separated into an independent (changing) variable and dependent (measured) outcomes in an investigation.
• Identify appropriate control variables that should be kept constant to make evidence reliable.
• Describe why controlling variables improves the validity of conclusions from a science experiment.

Learning Objectives

• Explain how heat energy moves through matter by conduction, convection, and radiation
• Identify evidence of transfer mechanisms from temperature and state changes
• Compare how solids, liquids, and gases transfer heat in everyday situations+ Show more

Learning Objectives

• Explain how animals use both matter and energy to live, grow, and function.
• Describe how food provides matter that becomes parts of an animal’s body.
• Describe how food provides energy that powers life processes and releases energy to the environment.

Learning Objectives

• Explain how scientific claims are supported by evidence from observations and measurements
• Use scientific ideas (such as density) to connect evidence to an explanation
• Compare competing explanations by judging which one best matches the evidence+ Show more

Learning Objectives

• Understand measures of biodiversity such as species richness, abundance, and evenness across ecosystems.
• Explore sampling methods like transects and quadrats used to quantify diversity.
• Interpret spatial patterns and relate biodiversity metrics to ecosystem stability and resilience.+ Show more

Learning Objectives

• Understand how voltage, current, and resistance are related through proportional relationships.
• Apply simple calculations to determine circuit element characteristics using measured values.
• Explain how changes in resistance affect current in a circuit with a fixed voltage.+ Show more

Learning Objectives

• Explain how prototype evaluation uses data, observations, and constraints to judge a design.
• Identify measurements and failure observations that can be used as evidence for improvement.
• Use evaluation criteria to compare a prototype’s performance and determine whether it meets limits.

Learning Objectives

• Understand the difference between mixtures and solutions.
• Identify the components of different types of mixtures.
• Explain methods used to separate mixture components based on their properties.+ Show more

Learning Objectives

• Describe major plant structures such as roots, stems, leaves, and flowers and explain their functions in resource acquisition and reproduction.
• Identify the roles of vascular tissues like xylem and phloem in transporting water and nutrients within plants.
• Explain basic animal organ systems such as digestive, respiratory, and circulatory systems and how they contribute to organism survival.+ Show more

Learning Objectives

• Identify different types of natural resources and their distribution around the world.
• Understand the environmental and economic impacts of renewable and nonrenewable resources.
• Explore methods used for resource assessment and sustainable use principles.+ Show more

Learning Objectives

• Understand how evidence connects to scientific claims through reasoning.
• Interpret patterns in data such as graphs to make inferences about motion.
• Evaluate the strength of scientific explanations based on data and models.+ Show more

Learning Objectives

• Explain how energy moves between trophic levels in an ecosystem.
• Identify why only part of the energy at one trophic level becomes biomass at the next.
• Describe how energy loss affects the number of consumers higher up in a food chain.

Learning Objectives

• Explain how photosynthesis provides the matter and energy plants need to build biomass
• Describe how carbohydrates become structures like cellulose and other molecules used for living systems
• Use evidence from plant growth to connect biomass changes to continuous inputs of matter and energy

Learning Objectives

• Explain how to communicate experimental results clearly using accurate data, proper units, and labeled graphs or tables
• Describe safety expectations for common lab situations (heat sources, eye protection, handling and disposal of substances)
• Practice ethical reporting by using accurate measurements, citing sources, and discussing limitations honestly

Learning Objectives

• Explain the concept of disturbance regimes and their components.
• Identify different types of disturbance events in forest ecosystems.
• Understand how disturbance frequency and intensity influence forest succession.+ Show more

Learning Objectives

• Analyze how scientific data influences societal decisions and policies.
• Evaluate the trade-offs between economic growth and environmental protection.
• Identify indicators used to measure the effectiveness of public health and environmental measures.+ Show more

Learning Objectives

• Understand how scientific investigation and technological development are interconnected.
• Describe how tools like microscopes and sensors extend observation and measurement.
• Explain how technological advances influence scientific inquiry and vice versa.+ Show more

Learning Objectives

• Understand key stewardship strategies such as habitat restoration and protected-area design.
• Evaluate trade-offs among different conservation approaches.
• Identify criteria for prioritizing biodiversity actions.+ Show more

Learning Objectives

• Explain what a pure substance is and how mixtures differ by containing more than one substance
• Describe how the properties of mixtures relate to the properties of their component substances
• Distinguish between uniform (homogeneous) and nonuniform (heterogeneous) mixtures using everyday examples+ Show more

Learning Objectives

• Identify the main biotic and abiotic components of an ecosystem.
• Explain how living and nonliving factors interact within habitats.
• Understand the influence of environmental factors like sunlight, water, and soil on living organisms.+ Show more

Learning Objectives

• Explain that weather describes short-term atmospheric conditions using elements such as temperature, precipitation, wind, cloud cover, and humidity.
• Describe how measuring multiple weather elements helps scientists and meteorologists build an up-to-date picture of regional conditions.
• Recognize that weather elements can change quickly, which can cause forecasts to be updated as new observations arrive.

Learning Objectives

• Describe the major stages of the water cycle and where each stage happens.
• Explain how energy drives changes of state and movement of water in the water cycle.
• Use key terms (evaporation, condensation, precipitation, runoff, infiltration) to trace water pathways.+ Show more

Learning Objectives

• Explain the difference between balanced forces and unbalanced forces using net force.
• Predict how balanced or unbalanced forces affect an object’s speed and direction.
• Use the direction of the net force to describe the resulting change in motion.

Learning Objectives

• Understand the different biological levels from cells to organisms.
• Identify how cells combine into tissues and organs, and how organ systems support life.
• Recognize how disruptions at one level affect the entire organism.+ Show more

Learning Objectives

• Define speed and velocity and explain how velocity includes direction
• Calculate or interpret average speed using total distance and elapsed time
• Explain how changing speed affects motion and how consistent units improve clarity+ Show more

Learning Objectives

• Explain how the angle of incoming solar energy affects temperature differences on Earth
• Describe how unequal heating drives changes in air movement and ocean circulation
• Connect energy transfers in the atmosphere and oceans to daily weather and seasonal climate patterns

Learning Objectives

• Explain how abiotic factors (nonliving conditions) affect where organisms can live in an ecosystem.
• Identify biotic factors (living organisms) and describe producers, consumers, and decomposers.
• Compare ecosystem components in different environments such as ponds, deserts, and tropical forests.

Learning Objectives

• Explain what a niche is and how it differs from an organism’s habitat
• Describe how two species can coexist through niche differences and reduced niche overlap
• Use examples to predict how competition changes when resources become limited

Learning Objectives

• Explain how inherited adaptations help organisms survive and reproduce in specific environments
• Identify examples of adaptations that improve feeding, protection, or tolerance to temperature and moisture
• Describe how environmental pressures (living and nonliving factors) increase the usefulness of certain traits

Learning Objectives

• Explain what scientific models are and how they help us understand systems too large, too small, or too complex to study directly.
• Describe how evidence is used to compare with model outputs and to improve a model.
• Identify what a model can and cannot represent, including limits due to scaling or omitted variables.+ Show more

Learning Objectives

• Explain how scientific inquiry begins with observations and leads to testable questions
• Describe how evidence, measurement, and logical reasoning support reliable explanations
• Use scientific vocabulary related to variables, data, measurement, and uncertainty to communicate findings

Learning Objectives

• Use evidence to support scientific claims by connecting observations and measurements to conclusions.
• Distinguish correlation from causation and explain why correlation alone is not proof of cause.
• Evaluate whether evidence is relevant, described clearly, and sufficient to support a claim.

Learning Objectives

• Explain how physiological adaptations help organisms survive in specific environments
• Identify examples of physiological traits related to water balance, metabolism, and ion/oxygen regulation
• Use evidence from statements or scenarios to classify traits as physiological adaptations

Learning Objectives

• Explain how friction opposes motion between two contacting surfaces
• Describe how surface texture affects the distance an object slides
• Connect friction and air resistance to energy transfer and changes in motion

Learning Objectives

• Differentiate between precision and accuracy in scientific measurements
• Choose appropriate tools and correct units for measurement tasks
• Identify common sources of error and describe ways to reduce them

Learning Objectives

• Explain how changes in sea surface temperatures in the tropical Pacific can affect evaporation, cloud formation, and wind circulation
• Describe how El Niño and La Niña can shift rainfall and temperature patterns in distant regions
• Use evidence-based observations (precipitation, wind, and temperature trends) to connect ocean changes to broader climate impacts