Grade 6 Science Worksheets

Learning Objectives

• Explain how gravitational attraction between a planet (or satellite) and the Sun maintains orbital motion
• Describe how an orbit’s shape (elliptical) affects orbital speed and distance from the central body
• Use orbital period ideas to compare how mass and distance influence satellite orbits (e.g., Earth–Moon and Jupiter–moon systems)

Learning Objectives

• Explain the difference between heat and temperature using particle motion and energy transfer ideas
• Use temperature differences to predict the direction of heat flow
• Describe how the amount of matter affects how much heat energy an object can store+ Show more

Learning Objectives

• Explain how the Sun’s dominant gravity affects the Earth–Moon system
• Describe how mutual gravity between Earth and Moon leads to an Earth–Moon barycenter and orbital motion
• Connect stable orbits to gravitational balance and mutual motion

Learning Objectives

• Identify abiotic factors (nonliving physical/chemical conditions) that shape habitat conditions.
• Explain how abiotic gradients (such as moisture, light, and temperature) affect where organisms can survive and reproduce.
• Describe examples of seasonal or local changes in abiotic factors that influence organism behavior and population fluctuations.

Learning Objectives

• Understand different types of graphs and their uses in science.
• Learn when to use line graphs, bar charts, and scatter plots.
• Recognize the importance of appropriate axis labeling and scaling.+ Show more

Learning Objectives

• Understand how energy flows through different trophic levels in an ecosystem
• Recognize that energy is lost as heat at each level
• Explain why higher trophic levels have less energy than producers+ Show more

Learning Objectives

• Understand the concept of adaptation trade-offs in organisms and how they impact survival.
• Identify examples of structural and physiological trade-offs in animal adaptations.
• Evaluate the costs and benefits of specific traits in different environmental contexts.+ Show more

Learning Objectives

• Distinguish between speed and velocity using direction and units
• Calculate and interpret average speed from distance and time
• Explain how changing speed and changing direction affect motion+ Show more

Learning Objectives

• Identify independent, dependent, and controlled variables when designing a fair scientific test.
• Explain how to choose a control condition and keep measurements consistent and repeatable.
• Interpret results by using clear testable questions and well-defined measurement procedures.

Learning Objectives

• Identify how genetic differences influence traits in organisms.
• Describe environmental factors that affect phenotypic variation.
• Explain the relationship between DNA, gene expression, and observable characteristics.+ Show more

Learning Objectives

• Explain how gravity and slope instability cause mass wasting to move rock and soil downhill.
• Identify common triggers of mass wasting, including heavy rainfall, freeze-thaw, earthquakes, and erosion.
• Describe how deposited debris can change drainage and affect later erosion.

Learning Objectives

• Describe how Earth's axial tilt affects seasons
• Identify regional sky phenomena linked to Earth's tilt
• Explain how models predict sunlight duration and solar angles

Learning Objectives

• Explain how the relative positions of the Sun, Earth, and Moon lead to lunar phases and eclipses
• Describe how gravity affects tides and why tides change over time
• Use basic models and vocabulary (orbit, alignment, phase, eclipse) to interpret observations

Learning Objectives

• Understand the difference between elements, compounds, and mixtures.
• Identify examples of each type of matter based on observable characteristics.
• Learn basic separation techniques like filtration and distillation.+ Show more

Learning Objectives

• Describe how microscopy and preserved specimens provide evidence that cells are the basic unit of life.
• Distinguish single-celled organisms from multicellular organisms using observable cell features.
• Explain how the organization from cells to tissues, organs, and whole organisms is supported by empirical observations.+ Show more

Learning Objectives

• Explain how evaporation, condensation, and precipitation move water through the water cycle.
• Describe how runoff and infiltration affect where freshwater collects and flows.
• Explain how storage in glaciers and aquifers can release water slowly over time.+ Show more

Learning Objectives

• Understand the factors that influence chemical reaction rates.
• Explain how concentration, temperature, surface area, and catalysts affect reaction speed.
• Identify observable indicators of reaction rate changes.+ Show more

Learning Objectives

• Understand the hierarchical categories used in classifying living organisms.
• Learn how to use observable characteristics to group species.
• Introduce the concept of dichotomous keys for identification.+ Show more

Learning Objectives

• Understand the purpose of prototype evaluation in science projects.
• Identify different types of data used to assess prototypes.
• Learn how to interpret measurements and observations to improve models.+ Show more

Learning Objectives

• Explain how habitat fragmentation changes connectivity between habitat patches.
• Describe how reduced connectivity can affect gene flow, pollinator movement, and species interactions.
• Use habitat fragmentation metrics (such as patch size and corridor value) to predict biodiversity outcomes.

Learning Objectives

• Identify the independent variable and the dependent variable in an investigation
• Explain why control variables must be kept constant to make evidence reliable
• Use an experiment plan to separate the changing factor from measured outcomes

Learning Objectives

• Understand that all matter is made up of tiny particles
• Describe the behavior of particles in different states of matter
• Relate temperature and energy to particle motion+ Show more

Learning Objectives

• Understand how organisms compete for limited resources in their environment.
• Identify different types of competition among species and within populations.
• Explain how resource competition influences population dynamics and community composition.+ Show more

Learning Objectives

• Define iterative improvement and explain its importance in science and engineering.
• Identify how evaluation results guide design refinements.
• Describe the process of testing and fixing in iterative development.+ Show more

Learning Objectives

• Understand what limiting factors are and how they affect populations.
• Identify abiotic and biotic limiting factors in ecosystems.
• Explain how changes in limiting factors influence species survival and distribution.+ Show more

Learning Objectives

• Identify the independent, dependent, and controlled variables in a science investigation.
• Use controls to keep evidence reliable by changing only one variable at a time.
• Explain why matching conditions (like track length or release method) prevents misleading results.+ Show more

Learning Objectives

• Construct evidence-based arguments linking ecosystem component changes to population increases or declines.
• Analyze case studies such as predator reintroduction, invasive species, habitat fragmentation, and disease outbreaks.
• Interpret empirical data sets and longitudinal observations to infer population responses and patterns.+ Show more

Learning Objectives

• Understand the difference between weather and climate.
• Identify short-term atmospheric conditions.
• Recognize patterns and variations in weather.+ Show more

Learning Objectives

• Define systematic observation and explain the difference between qualitative notes and quantitative measurements.
• Use data-collection strategies such as repeated measurements, consistent sampling frequency, and accurate record-keeping.
• Identify common observation instruments and describe how calibration and maintenance support reliable results.+ Show more

Learning Objectives

• Explain the law of conservation of mass for closed systems
• Identify reasons mass can appear to change in open systems
• Use the idea of system boundaries to interpret physical and chemical changes

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 common measurement instruments such as thermometers, pH probes, and tape measures.
• Understand the importance of calibration, unit selection, and accurate recording in data collection.
• Explain how measurements can be used to compare environmental conditions across different locations.+ Show more

Learning Objectives

• Explain how streamlining reduces aerodynamic drag by shaping objects to support smooth airflow.
• Identify key design features of streamlined shapes (rounded nose, tapered tail, smooth surface).
• Describe how changes in shape can delay airflow separation and affect energy needs.+ Show more

Learning Objectives

• Explain how cells communicate using chemical and electrical signals.
• Describe how receptors translate signals into cellular responses, including signal transduction cascades.
• Differentiate rapid nervous impulses from longer-term endocrine effects.+ Show more

Learning Objectives

• Identify parts of an angle related to flight mechanics
• Explain how small increases in angle of attack influence lift and drag
• Recognize the concept of stall caused by excessive angle adjustments+ Show more

Learning Objectives

• Explain how new substances can form when atoms rearrange during a chemical change.
• Identify how macroscopic properties (solubility, conductivity, melting behavior) can change after a reaction.
• Use comparisons of properties before and after a reaction to support the idea that a new substance formed.

Learning Objectives

• Identify observable characteristics used to classify animals and plants.
• Understand hierarchical categories in biological classification from kingdom to species.
• Describe how dichotomous keys help in identifying local species.+ Show more

Learning Objectives

• Understand the fundamental differences between series and parallel circuit arrangements.
• Explain how current and voltage distribute in series and parallel circuits.
• Describe how energy flow and device behavior are affected by circuit configurations.+ Show more

Learning Objectives

• Compare different conservation strategies and their ecological trade-offs.
• Analyze case studies like coral reef restoration and riparian buffer implementation.
• Evaluate the effectiveness of biodiversity solutions in supporting ecosystem services.+ Show more

Learning Objectives

• Understand the concept of lift and how it helps objects rise in the air
• Identify the four primary forces involved in flight: lift, thrust, drag, and weight
• Describe how forces interact to produce controlled flight or descent

Learning Objectives

• Explain how the Earth–Moon–Sun alignment creates solar and lunar eclipses
• Distinguish between umbra and penumbra and predict what parts of Earth see different eclipse effects
• Describe how the Moon and Sun’s differential gravity causes tides, including spring and neap tides

Learning Objectives

• Describe the three main modes of heat transfer: conduction, convection, and radiation.
• Identify examples of energy transfer in everyday environments.
• Distinguish between conduction, convection, and radiation based on their mechanisms.+ Show more

Learning Objectives

• Differentiate heat and temperature based on what each describes and how energy moves.
• Explain how temperature relates to average particle kinetic energy.
• Predict how systems warm or cool when there is a temperature difference.

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Define independent and dependent variables and distinguish them from controlled variables in a fair test.
• Use operational definitions to describe how to measure variables during an investigation.
• Explain how hypotheses, controlled comparisons, and reproducibility support evidence-based scientific reasoning.

Learning Objectives

• Understand the sources of systematic and random errors in scientific measurements.
• Learn methods for estimating the effects of errors on confidence in experimental results.
• Identify how environmental and procedural factors contribute to measurement errors.+ Show more

Learning Objectives

• Explain how carbon atoms cycle through ecosystems, including processes like photosynthesis, respiration, and decomposition.
• Identify the roles of plants, animals, and the environment in the carbon cycle.
• Describe how matter is conserved and reused in ecosystems despite energy flow.+ Show more

Learning Objectives

• Describe how light reflects off surfaces according to angle relationships.
• Explain how refraction bends light as it passes between different media.
• Identify the role of lenses in focusing or dispersing light through refraction.+ Show more