Grade 7 Science Worksheets

Learning Objectives

• Understand the concept of fair tests in scientific experiments.
• Identify variables that influence experimental fairness.
• Learn to use appropriate measurement tools and units.+ Show more

Learning Objectives

• Distinguish biotic factors from abiotic factors in an ecosystem.
• Explain cause-and-effect relationships between abiotic conditions and resource access, shelter, and survival for organisms.
• Describe how gradients in abiotic factors can shape patterns in plant, animal, and microbe communities.

Learning Objectives

• Describe the difference between mixtures and pure substances.
• Identify characteristics of heterogeneous and homogeneous mixtures.
• Understand separation methods based on physical properties.+ Show more

Learning Objectives

• Explain how energy drives changes between igneous, sedimentary, and metamorphic rocks in the rock cycle
• Describe key processes in the rock cycle, including melting, crystallization, weathering, deposition, burial, and metamorphism
• Trace how Earth materials move through the cycle using a pathway from magma to rocks and back again

Learning Objectives

• Understand the basic atmospheric and oceanic cells involved in global circulation
• Identify the locations and characteristics of Hadley, Ferrel, and Polar cells
• Describe the role of jet streams and ocean gyres in climate regulation+ Show more

Learning Objectives

• Understand how technology affects society and the environment through benefits and costs.
• Identify ethical considerations related to technology, including fairness, privacy, and responsibility.
• Analyze trade-offs involved in technological development and use.+ Show more

Learning Objectives

• Explain how heritable variation and environmental pressures lead to natural selection.
• Describe how differential survival and reproduction change trait frequencies over generations.
• Use examples (such as antibiotic resistance or island finches) to connect adaptation to selective pressures.

Learning Objectives

• Describe production pathways from natural resources to common synthetic materials, including feedstocks, polymerization, and refining steps.
• Identify examples of synthetic materials such as polyethylene, PET, and nylon, and understand their manufacturing processes.
• Analyze trade-offs related to durability, recyclability, and environmental impacts of different synthetic materials.+ Show more

Learning Objectives

• Explain how insulation reduces conduction, convection, and radiation
• Compare insulating materials using thermal resistance and thickness
• Identify thermal bridges and explain their effect on heat loss+ Show more

Learning Objectives

• Explain how density relates mass to volume using the idea of density = mass ÷ volume
• Classify density as an intensive property and justify why it does not depend on the amount of material
• Use density ideas to predict sinking and floating and to distinguish materials with similar shapes

Learning Objectives

• Understand the structure and role of the nucleus in a cell.
• Identify key features such as nuclear envelope, nuclear pores, and chromosomes.
• Explain how the nucleus controls growth, development, and protein synthesis.+ Show more

Learning Objectives

• Explain how resource availability sets limits on population size using carrying capacity.
• Interpret logistic growth ideas by connecting population growth rate to birth, death, immigration, and emigration.
• Use graphs and quantitative reasoning to predict how limiting factors change population trajectories.

Learning Objectives

• Describe common forms of energy and how they change in everyday systems
• Explain energy transformations while conserving total energy
• Identify where energy appears as mechanical, electrical, chemical, and thermal energy in a real-world example

Learning Objectives

• Explain how data integrity, attribution, and intellectual property shape ethical communication in STEM
• Use conventions for technical reporting, including clear methods descriptions and accurate graphical annotation
• Describe how peer review and responsible data sharing improve reliability and public understanding of scientific findings+ Show more

Learning Objectives

• Analyze societal, economic, and environmental impacts of various technologies.
• Evaluate short-term and long-term consequences of technological development.
• Assess ethical considerations and policy responses related to technology.+ Show more

Learning Objectives

• Understand how carbon atoms move through organisms and the environment
• Describe the processes of digestion, biosynthesis, and respiration that involve matter transformation
• Explain how matter is conserved and recycled within ecosystems+ Show more

Learning Objectives

• Describe quantitative relationships in chemical transformations using balanced symbolic equations and ratio reasoning.
• Perform mole-ratio calculations to determine relative mass relations among reactants and products.
• Apply conservation principles in proportional calculations to predict reagent needs and product yields.+ Show more

Learning Objectives

• Explain the concept of saturation and supersaturation in solutions.
• Identify real-world examples of saturation and supersaturation.
• Describe the conditions that lead to crystallization and phase change.+ Show more

Learning Objectives

• Describe how variations in solar heating influence regional climate patterns.
• Explain the role of ocean currents and topography in modifying local climates.
• Identify key phenomena such as El Niño, monsoon regimes, and prevailing wind belts.+ Show more

Learning Objectives

• Understand the concept of gravitational potential energy
• Identify factors that affect potential energy such as height and mass
• Recognize different models representing potential energy in physical systems+ Show more

Learning Objectives

• Understand the concept of optimization in engineering contexts
• Identify various criteria used for optimization tasks
• Analyze how different optimization goals influence design decisions+ Show more

Learning Objectives

• Describe the production pathways from natural resources to common synthetic materials.
• Explain the processes of polymerization, refining, and chemical alteration in manufacturing.
• Identify examples of synthetic materials like polyethylene, PET, and nylon and their production steps.+ Show more

Learning Objectives

• Explain the law of conservation of mass using particle-level reasoning (atoms rearrange but are not created or destroyed).
• Use the idea of a closed system to predict whether total mass will stay the same before and after a chemical reaction.
• Identify reactants and products at the particle level and describe what happens to bonds during a reaction.

Learning Objectives

• Explain how digital tools capture, store, and format data for scientific investigation
• Identify key metadata elements such as timestamps, sampling rates, and tags that improve data interoperability
• Use spreadsheet-based thinking to describe basic data organization and preliminary cleaning steps+ Show more

Learning Objectives

• Explain how invasive species cause competitive displacement of native species
• Describe how invasive species alter trophic relationships and nutrient dynamics
• Identify pathways and factors that support invasive species establishment+ Show more

Learning Objectives

• Compare thermometer types by sensing method and accuracy limits
• Explain why Celsius fixed points support thermometer calibration
• Identify random and systematic sources of measurement uncertainty+ Show more

Learning Objectives

• Describe how evaporation increases concentration and enables crystallization
• Explain nucleation and crystal growth during crystal formation
• Predict how cooling and evaporation rates affect crystal size+ Show more

Learning Objectives

• Explain how reference conditions guide evidence-based restoration goals
• Compare active and passive restoration approaches
• Describe how species selection supports long-term ecological resilience+ Show more

Learning Objectives

• Understand how microscopic particle motion relates to temperature, thermal energy, and pressure.
• Explain how particle speed distributions vary with temperature and phase.
• Analyze molecular motion to compare thermal states and material heat capacities.+ Show more

Learning Objectives

• Understand how an object's motion energy changes during different activities.
• Identify energy transfers in scenarios like braking, collisions, and bouncing balls.
• Articulate reasoning linking changes in motion energy to energy transfers in real-world examples.

Learning Objectives

• Explain how potential energy depends on an object’s arrangement or position in a system.
• Describe examples of gravitational, elastic, and magnetic potential energy.
• Connect changes in spatial arrangement to energy transfer into motion or work.

Learning Objectives

• Explain how chemical properties describe how substances react and transform.
• Identify observable evidence (such as gas, color change, or pH shift) that indicates a chemical property.
• Predict likely outcomes of reactions using flammability, oxidation tendency, and acid-base behavior.

Learning Objectives

• Understand the principle that matter is conserved during physical and chemical changes.
• Identify examples of physical vs. chemical processes that conserve matter.
• Explain how atoms are rearranged during reactions without altering total mass.+ Show more

Learning Objectives

• Define what a scientific model is and describe its purpose.
• Identify different types of models used in science.
• Explain how models help in understanding and predicting natural phenomena.+ Show more

Learning Objectives

• Distinguish balanced and unbalanced forces using the idea of net force
• Explain how balanced forces lead to constant velocity and unbalanced forces lead to acceleration
• Use tug-of-war scenarios to predict motion outcomes based on force strength and direction

Learning Objectives

• Explain diffusion using the particle model and concentration differences
• Describe how mixing occurs without particles stopping or transforming
• Predict how temperature affects the rate of diffusion

Learning Objectives

• Understand how phenotype results from interactions between genetics and environment.
• Identify examples illustrating environmental influence on traits.
• Distinguish inherited genetic traits from environmentally modulated traits.+ Show more

Learning Objectives

• Explain how plate tectonics, weathering, and sedimentation can concentrate minerals, fuels, and groundwater in specific locations.
• Use geologic maps and cross sections to connect Earth history to where resources are found.
• Evaluate how extraction affects the environment and how renewable and nonrenewable resources differ for sustainability.

Learning Objectives

• Explain how energy moves through trophic levels in a food web.
• Describe why only a fraction of energy becomes available at the next trophic level.
• Use the idea of trophic energy limits to predict effects on food-chain length and biomass.

Learning Objectives

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

Learning Objectives

• Explain how an input energy in a simple mechanism system can transfer motion or force to produce an output performance
• Describe how gears, pulleys, levers, and linkages change speed, force, and direction of motion
• Use evidence from a mechanism’s components to predict how design constraints affect performance

Learning Objectives

• Explain how organisms function as systems made of internal structures with specific roles.
• Identify how different body systems process inputs like food, oxygen, and water.
• Describe how the coordinated functions of structures help the organism use matter for life processes.

Learning Objectives

• Explain how chemical properties help predict what happens during chemical changes.
• Identify indicators of chemical reactions such as gas evolution, color change, and precipitate formation.
• Describe how chemical properties relate to reactivity with acids and bases, combustion, oxidation, corrosion, and pH changes.+ Show more

Learning Objectives

• Define species richness as a measure of biodiversity.
• Understand how biodiversity is quantified using various indices.
• Identify the importance of biodiversity in ecological stability.+ Show more

Learning Objectives

• Understand the basic elements of structural load paths
• Describe how loads transfer from slabs to foundations
• Distinguish between dead and live loads+ Show more

Learning Objectives

• Understand how phase changes involve energy absorption or release related to particle kinetic and potential energy.
• Explain latent heat phenomena and how microscopic particle interactions connect to macroscopic energy changes.
• Identify examples of phase energy processes in Alberta, such as snowmelt and evaporation from wetlands.+ Show more

Learning Objectives

• Understand the concept of renewable energy sources
• Identify the environmental benefits of renewable energy
• Analyze the ethical considerations related to technology use+ Show more

Learning Objectives

• Explain how differences in properties help scientists separate matter without changing substances into new ones.
• Use the ideas of density and solubility to predict how mixtures can separate into layers or dissolved parts.
• Distinguish physical changes used for separation (melting, boiling, freezing, dissolving) from chemical changes that form new substances.