Grade 6 Science Worksheets

Learning Objectives

• Identify minerals and rocks using physical properties such as streak, hardness, cleavage, and grain size.
• Distinguish among igneous, sedimentary, and metamorphic rocks using textural and compositional clues.
• Explain how the rock cycle connects mineral resources to past environmental conditions.

Learning Objectives

• Understand different types of natural resources and their regional distribution.
• Analyze the environmental and economic impacts of resource extraction and use.
• Evaluate sustainable practices such as recycling, reclamation, and alternative energy.+ Show more

Learning Objectives

• Explain how birth rates and death rates affect population size over time
• Describe how resource availability can increase or decrease populations
• Use population data patterns to infer changes in environmental conditions

Learning Objectives

• Understand how the respiratory system exchanges gases.
• Learn the main parts and functions of the respiratory system.
• Explore how breathing and gas exchange support life.+ Show more

Learning Objectives

• Define producers, consumers, and decomposers and describe how they connect in food chains and food webs
• Identify trophic levels (primary, secondary, and tertiary) and explain how energy transfers between them
• Explain why energy decreases at higher trophic levels while matter cycles through decomposers+ Show more

Learning Objectives

• Explain how series circuits create a single-path configuration for current.
• Describe how equal current flows through series components and how total resistance adds up.
• Predict how voltage divides among series components and how that affects bulb brightness.+ Show more

Learning Objectives

• Understand the different types of robotic space missions: flyby, orbiter, lander, and sample-return.
• Identify the engineering constraints faced by space robots, such as distance, communication delays, and planetary environments.
• Describe how mission design addresses propulsion, instrumentation, and data return.+ Show more

Learning Objectives

• Explain how to judge whether a claim follows from data, methods, and results.
• Use criteria such as evidence relevance, consistency, uncertainty, and alternative explanations to evaluate conclusions.
• Match the scope of a claim to the strength and limits of a dataset.

Learning Objectives

• Understand how to analyze data from prototype tests
• Learn to interpret graphs, averages, and discuss errors
• Evaluate trade-offs in design choices such as strength vs. weight+ Show more

Learning Objectives

• Understand the basic concepts of predator and prey relationships in ecosystems.
• Identify examples of predator and prey interactions from descriptions.
• Describe how predator populations influence prey populations and vice versa.+ Show more

Learning Objectives

• Explain how Earth’s rotation and orbit cause the Sun, Moon, and stars to appear to move across the sky
• Define diurnal rising and setting and describe apparent daily motion from an Earth-based perspective
• Describe the apparent paths of stars and the ideas of the celestial sphere and horizon+ Show more

Learning Objectives

• Identify the independent, dependent, and controlled variables in a simple investigation.
• Explain why controlled variables must be kept constant to see clear patterns.
• Use operational definitions and consistent measurement intervals to reduce confusion from environmental noise.

Learning Objectives

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

Learning Objectives

• Explain the three main modes of energy transfer: conduction, convection, and radiation.
• Identify examples of each energy transfer mode in real-world contexts.
• Differentiate between conduction, convection, and radiation based on their mechanisms.+ Show more

Learning Objectives

• Understand the basic parts of an ecosystem
• Identify abiotic and biotic factors
• Recognize different types of organisms in ecosystems+ Show more

Learning Objectives

• Analyze observational data related to natural hazards such as earthquakes, storms, and floods.
• Interpret instrumental records to identify patterns and recurrence intervals of hazards.
• Assess potential locations and magnitudes of natural events for risk management.+ 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 why risk assessment is an essential safety practice in science investigations.
• Apply ethical guidelines for humane treatment, consent, confidentiality, and responsible reporting.
• Identify appropriate handling, storage, and disposal practices for common classroom science materials.

Learning Objectives

• Explain how oceans absorb and store heat and how that affects climate temperatures
• Describe how ocean heat influences evaporation, humidity, and atmospheric stability
• Connect ocean circulation and heat content changes to weather patterns and climate shifts+ Show more

Learning Objectives

• Identify producers, consumers, and decomposers in a food web
• Explain how energy moves through trophic relationships
• Describe how decomposers recycle organic matter to support soil fertility+ Show more

Learning Objectives

• Explain how pressure varies across a wing’s chord using pressure maps.
• Describe how stagnation points and suction peaks relate to lift and pitching moments.
• Use pressure patterns to predict how angle of attack and camber shift pressure minima.+ Show more

Learning Objectives

• Distinguish independent and dependent variables in simple investigations.
• Define variables using operational definitions and explain why they matter.
• Use controlled comparisons and identify constants to make a fair test.+ Show more

Learning Objectives

• Understand the role of decomposers in breaking down organic matter
• Identify different types of decomposers such as fungi, bacteria, and detritivores
• Explain how decomposers contribute to nutrient cycling and soil health+ Show more

Learning Objectives

• Identify chemical evidence that indicates a new substance has formed.
• Explain why chemical evidence suggests a change in composition, not just mixing.
• Connect common indicators (color change, gas, precipitate, temperature change, persistence) to particle-level changes.

Learning Objectives

• Identify chemical evidence by observing changes such as color change, gas formation, and precipitates.
• Explain why chemical evidence shows a change in composition, not just temporary mixing.
• Use examples like iron rusting and burning paper to connect observations to particle-level changes.

Learning Objectives

• Describe major types of robotic space missions (flyby, orbiter, lander, and sample-return) and what each can accomplish.
• Explain how engineering constraints such as distance and communication delay affect mission design and operations.
• Connect mission design choices (gravity assists, propulsion, instrumentation, and data return) to the types of measurements collected.

Learning Objectives

• Explain how scientists turn explanations into testable predictions that can be checked with observations.
• Identify evidence that supports or conflicts with a model and describe how mismatches lead to refining assumptions.
• Use measurement criteria and uncertainty language to evaluate results and compare predictions to new data.

Learning Objectives

• Understand what habitats and niches are
• Identify different types of habitats
• Explain how niches influence species interactions+ Show more

Learning Objectives

• Explain how root systems provide anchorage, water and nutrient uptake, and storage
• Describe how different root adaptations (lateral roots and taproots) help trees survive in different environments
• Summarize how mycorrhizal fungi improve absorption and drought resilience+ Show more

Learning Objectives

• Explain how carbon moves between living things and the environment through processes such as photosynthesis, respiration, and decomposition
• Identify producers, consumers, and decomposers in the carbon cycle and describe their roles
• Use evidence from carbon flow to reason about long-term ecosystem functioning

Learning Objectives

• Explain how photosynthesis provides carbon-based molecules that plants use to build new tissues.
• Describe how plant growth increases biomass by incorporating atoms from carbon dioxide and other inputs into cells.
• Distinguish between the roles of carbohydrates, proteins, and fats in plant structure and living systems.

Learning Objectives

• Explain how chemical energy in food is transformed to power life processes in organisms.
• Describe energy transfer and the idea that energy changes form rather than being created or destroyed in the body.
• Connect chemical bond breaking to energy release and cellular work.+ Show more

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

• Identify the building blocks of macromolecules such as amino acids, nucleotides, fatty acids, and monosaccharides.
• Explain how monomers assemble into polymers through condensation reactions and are broken down by hydrolysis.
• Relate molecular structure to properties like enzyme catalysis, membrane transport, and polymerization.+ Show more

Learning Objectives

• Understand what climate is and how it differs from weather
• Identify key factors that influence climate
• Explore patterns in different regional climates

Learning Objectives

• Identify and describe physical and chemical properties used to distinguish substances.
• Compare substances based on qualitative and simple quantitative properties.
• Relate observed material properties to examples like iron, salt, oil, and copper.+ Show more

Learning Objectives

• Explain mass conservation by connecting conservation of atoms to conservation of mass in a closed system.
• Use particle-level reasoning to justify why total mass of reactants equals total mass of products.
• Interpret everyday examples of conservation of mass and distinguish closed-system from open-system situations.

Learning Objectives

• Compare properties of substances before and after an interaction to determine what changes.
• Identify evidence that indicates a new substance formed, using changes in properties.
• Distinguish between physical changes and chemical changes by observing appearance and new materials.

Learning Objectives

• Understand internal water regulation mechanisms in desert animals
• Identify physiological adaptations that help organisms survive in arid environments
• Explain the importance of internal processes like urine concentration and water conservation

Learning Objectives

• Explain how groundwater forms and moves through pore spaces in the geosphere
• Describe how infiltration and percolation recharge aquifers
• Connect groundwater discharge to stream baseflow during dry periods+ Show more

Learning Objectives

• Explain how heritable variation and environmental pressures can change trait frequencies in a population over generations
• Identify examples of natural selection (such as finch beaks, pollution coloration, or antibiotic resistance) and connect them to differential survival and reproduction
• Use key vocabulary (variation, heritable traits, selection, reproductive success, trait frequency) to describe how selection works

Learning Objectives

• Understand the basic concepts of orbital paths, including elliptical and near-circular orbits.
• Recognize how orbital speed varies with distance from the central body.
• Learn how gravitational force and inertia work together to produce stable orbits.+ Show more

Learning Objectives

• Explain how conduction, convection, and radiation transfer thermal energy
• Identify the role of matter (solids, liquids/gases, or space) in each thermal transfer mechanism
• Use evidence from everyday examples to choose the correct thermal energy transfer process

Learning Objectives

• Explain how physical changes alter a substance’s form or state without changing its atomic composition
• Identify common examples of physical changes such as melting, freezing, tearing, and dissolving
• Compare physical changes to chemical changes using observable properties and reversibility

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

• Explain how the heart’s rhythmic pumping and vessel network move blood through the body
• Compare arteries, veins, and capillaries based on structure and function
• Describe how capillaries support exchange of oxygen, nutrients, and wastes with body cells

Learning Objectives

• Explain how Earth's internal layers and plate motion drive tectonic processes.
• Compare divergent, convergent, and transform plate boundaries and predict their effects on Earth’s surface.
• Connect real-world events like earthquakes, volcanic eruptions, and mountain building to plate boundaries.

Learning Objectives

• Describe how atoms combine to form simple molecules like H2O and NaCl.
• Use models such as ball-and-stick and space-filling representations to illustrate molecules.
• Explain the relationship between molecular structure and observable patterns of matter.+ Show more