Grade 6 Science Worksheets

Learning Objectives

• Understand how matter cycles through living and non-living components of ecosystems.
• Identify the roles of plants, consumers, and waste in matter redistribution.
• Explain the concept of reservoirs and flows in matter cycles.+ Show more

Learning Objectives

• Define mass and volume and describe how they are measured for solids and liquids
• Use the density formula (density = mass ÷ volume) to calculate density from whole-number data
• Interpret density values to explain whether objects sink or float based on buoyancy+ Show more

Learning Objectives

• Identify the roles of ammeters and voltmeters in electrical circuits.
• Understand measurement units: amperes and volts.
• Comprehend how instruments are connected in series and parallel circuits.+ Show more

Learning Objectives

• Understand the different types of robotic space missions and their purposes
• Describe the engineering challenges faced in designing robotic probes
• Identify key mission archetypes such as flyby, orbiter, lander, and sample-return+ Show more

Learning Objectives

• Identify primary and secondary control surfaces and describe what they do (roll, pitch, yaw).
• Explain how deflecting a control surface changes local lift and the resulting moment about an aircraft’s center of mass.
• Describe control authority and how trim and flap deployment affect stability and performance.+ Show more

Learning Objectives

• Explain how energy transfer between trophic levels is limited by inefficient transfer and energy loss as heat.
• Describe why fewer top predators can be supported in food webs compared with primary consumers.
• Use cause-and-effect reasoning to predict how removing a key food source can affect multiple trophic levels.

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 main organs of the circulatory system.
• Describe the primary functions of the circulatory system.
• Understand how the circulatory system interacts with other body systems.+ 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

• Identify ethical concerns in the collection and sharing of medical measurements
• Infer a safe, responsible choice when privacy and consent are involved
• Use evidence from a scenario to justify an ethical decision

Learning Objectives

• Understand how particle models represent physical and chemical changes.
• Identify differences in particle arrangements during physical and chemical changes.
• Explain how particle models support the conservation of atoms during matter changes.+ Show more

Learning Objectives

• Explain how net force (the vector sum of forces) determines changes in an object's motion
• Use the relationship net force equals mass times acceleration to predict how acceleration changes
• Distinguish between balanced and unbalanced forces using real-world scenarios+ 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 morphological adaptations in plants living in dry environments.
• Explain how specific plant traits help with water use and survival.
• Support adaptation claims with details from a reading passage.

Learning Objectives

• Understand the molecular composition of air
• Learn how temperature and altitude affect air density
• Identify how pressure arises from gas molecule movement+ Show more

Learning Objectives

• Understand what habitat fragmentation is and its main causes.
• Identify effects of habitat fragmentation on ecosystems and species.
• Learn ways humans impact habitats through activities like road building and urban expansion.+ Show more

Learning Objectives

• Understand the concept of inherited traits and adaptations.
• Identify examples of adaptations in animals.
• Explain how adaptations help animals survive in their environment.+ Show more

Learning Objectives

• Explain how competition occurs when organisms need limited resources
• Describe how traits, timing of feeding, and tolerance affect access to resources
• Predict how competition can change population sizes and community composition over time

Learning Objectives

• Explain how cooling leads to condensation and cloud formation
• Describe how clouds affect Earth’s energy balance and weather outcomes
• Identify processes that cause cloud droplets or ice crystals to become precipitation

Learning Objectives

• Explain how mixtures and compounds differ in particle arrangement and atomic composition
• Identify examples of mixtures and compounds using particle model ideas
• Describe how physical separation often works for mixtures but not for compounds

Learning Objectives

• Explain what a limiting resource is and how scarcity affects population growth
• Describe how organisms respond when essential resources become limited
• Use the idea of carrying capacity to predict how populations change over time

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

• Understand the concept of adaptations and their role in survival.
• Identify different types of structural adaptations in organisms.
• Explain how adaptations provide advantages for resource acquisition, defense, and reproduction.+ Show more

Learning Objectives

• Understand and identify various physical properties of matter.
• Distinguish between physical and chemical changes in substances.
• Learn how to observe and measure properties like mass, volume, density, and hardness.+ Show more

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

• Understand the components of a food web, including producers, consumers, and decomposers.
• Recognize how energy flows through food chains and web structures.
• Identify the roles of different organisms within an ecosystem's food web.+ Show more

Learning Objectives

• Explain how the Sun, Moon, planets, and constellations show predictable patterns in the sky from a fixed location.
• Describe how Earth’s seasons affect which constellations are visible at different times of year.
• Use vocabulary such as apparent motion, star background, rise, set, and seasonal cycle to interpret celestial observations.

Learning Objectives

• Understand the role of skin and mucous membranes as first-line defenses.
• Identify components of the innate immune response.
• Describe how immune cells coordinate pathogen removal.+ Show more

Learning Objectives

• Explain how DNA barcoding and sequence comparison help identify species.
• Describe how genetic markers can reveal cryptic species that look similar.
• Interpret a basic idea of phylogenetic trees to understand relationships.+ Show more

Learning Objectives

• Explain how scientific evidence can lead to public health, environmental, and resource-management decisions.
• Identify indicators used to evaluate whether a scientific policy is working.
• Describe trade-offs among economic costs, environmental protection, and public well-being.

Learning Objectives

• Understand how animals require matter and energy to live and grow.
• Identify sources of matter and energy animals use and how they are utilized.
• Explain how animals excrete waste and incorporate matter into their bodies.+ Show more

Learning Objectives

• Understand how wave interference affects sound and light.
• Identify examples of constructive and destructive interference.
• Describe the concept of resonance and standing waves.+ Show more

Learning Objectives

• Explain how airfoil geometry (camber, thickness, chord length, and leading-edge curvature) affects airflow and pressure distribution.
• Describe how angle of attack and lift generation are connected, including how stall can occur at critical angles.
• Compare simplified Bernoulli and Newtonian explanations for lift and relate them to real aircraft examples.+ 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

• Describe the particle model as a way to understand the states of matter.
• Explain how particles behave differently in solids, liquids, and gases.
• Connect microscopic particle arrangements to macroscopic properties like shape and volume.+ Show more

Learning Objectives

• Explain how free electrons in metals allow electrical charge to move (conductivity).
• Compare how material type, temperature, and cross-sectional area affect conductivity.
• Describe why high-conductivity materials are useful in real electrical devices.

Learning Objectives

• Describe the gravitational relationships between the Sun, Earth, and Moon.
• Explain how the relative positions of these bodies cause lunar phases, eclipses, and tides.
• Identify key terms related to celestial alignment and observable phenomena.+ Show more

Learning Objectives

• Identify matter, particles, and the three states of matter.
• Compare particle arrangement and movement in solids, liquids, and gases.
• Explain changes of state using the particle model.+ Show more

Learning Objectives

• Understand what the angle of attack is and how it affects flight performance.
• Recognize how increasing the angle influences lift and drag until a stall occurs.
• Identify examples of wings, gliders, and kites and how angle adjustments impact their flight.

Learning Objectives

• Understand how Earth's systems are interconnected and how changes in one system can affect others.
• Identify the different Earth systems: lithosphere, hydrosphere, atmosphere, and biosphere.
• Describe how energy from the Sun drives cycles and interactions among Earth's systems.+ 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 how precipitation returns water to Earth and connects the atmosphere to the hydrosphere and geosphere.
• Describe how infiltration allows water to enter soil and how it can help recharge groundwater.
• Compare factors that increase infiltration versus factors that increase runoff.

Learning Objectives

• Understand the concept of trophic levels in ecosystems
• Explain how energy is transferred between trophic levels
• Describe why energy decreases as it moves to higher levels+ Show more

Learning Objectives

• Explain what assumptions are in a science model and why they are needed
• Use evidence to judge whether a model’s predictions match observed results
• Describe a model’s limitations and connect limitations to the strength of evidence

Learning Objectives

• Understand how sunlight is converted into electrical energy using photovoltaic cells
• Identify different renewable energy sources and their transformation processes
• Recognize the importance of renewable energy for sustainable development+ Show more

Learning Objectives

• Define limiting factors and explain their role in ecosystems.
• Identify abiotic and biotic limiting factors affecting populations.
• Analyze how changes in limiting resources influence population dynamics.+ Show more

Learning Objectives

• Explain gas pressure using the particle model (collisions and particle motion).
• Describe how temperature, particle speed, and volume affect gas pressure.
• Connect microscopic particle ideas to macroscopic examples such as tires and altitude.