Grade 7 Worksheets

Learning Objectives

• Explore the history and significance of Presidents' Day and its roots in George Washington's birthday.
• Understand the role of founding fathers and early American leaders in shaping the nation.
• Identify key vocabulary such as 'founding father' and discuss leadership qualities important in history.+ Show more

Learning Objectives

• Understand the concept of gravity as a long-range force that acts without contact.
• Identify examples of gravitational, electric, and magnetic interactions in everyday life.
• Describe how mass and distance influence gravitational attraction.+ Show more

Learning Objectives

• Explain how conservation of mass applies to reactions occurring in a closed system
• Use mass accounting ideas to connect the masses of reactants to the masses of products
• Identify sources of error when measured masses do not match conservation of mass expectations+ Show more

Learning Objectives

• Understand the relationship between heat, mass, and temperature change using the formula Q = mcΔT.
• Identify units such as joules and watts used in heat calculations.
• Calculate the amount of heat energy required to change the temperature of common substances.+ Show more

Learning Objectives

• Understand hazard identification, risk analysis, and mitigation strategies in laboratory and field contexts.
• Interpret safety data sheets and classify chemical and biological hazards.
• Recognize electrical and mechanical risks and appropriate control measures.+ Show more

Learning Objectives

• Understand quantitative measures of biodiversity such as species richness and evenness.
• Interpret diversity values across different habitats and their ecological implications.
• Explain the relationships among habitat heterogeneity, niche diversity, and species turnover.+ Show more

Learning Objectives

• Understand various analytical indicators used to assess material purity.
• Identify methods to detect contamination in substances.
• Evaluate advantages and limitations of different purity assessment techniques.+ Show more

Learning Objectives

• Explain how mechanical energy is transformed into electrical energy by generators.
• Describe how photovoltaic cells convert light to electrical energy.
• Understand the process of electrical heaters converting electrical energy into thermal energy.+ Show more

Learning Objectives

• Understand the hydrological, chemical, and biological functions of wetlands.
• Identify examples of wetland roles such as water storage, nutrient cycling, and habitat provision.
• Differentiate among wetland types like peatlands and marshes based on their functions.+ Show more

Learning Objectives

• Understand the processes of evaporation and controlled crystallization used to recover solutes.
• Identify factors affecting crystal size, shape, and purity.
• Explain how nucleation and crystal growth occur during crystallization.+ Show more

Learning Objectives

• Explain how DNA sequences are organized into genes and how genes influence observable traits.
• Describe how chromosomes package many genes and how gametes receive chromosomes during meiosis.
• Use models of chromosome segregation and fertilization to predict how offspring inherit genetic material from both parents.

Learning Objectives

• Describe characteristic methods for determining material behaviour, including tensile, compression, and bending assessments.
• Understand non-destructive testing techniques such as ultrasonic and hardness measurements.
• Explain the concepts of anisotropy in timber and composites, and the role of strain localization.+ Show more

Learning Objectives

• Understand how atoms are conserved and recycled during biological processes.
• Identify the flow of carbon in digestion, biosynthesis, and respiration.
• Explain how matter moves through organisms and the environment.

Learning Objectives

• Understand how surface properties like albedo and emissivity affect radiative heat exchange.
• Evaluate how surface colour and coatings influence solar gain in structures.
• Describe the function of low-emissivity glazing and reflective roofs in climate control.+ Show more

Learning Objectives

• Understand the principles of convective heat transfer in fluids.
• Identify how buoyancy and density variations drive convection currents.
• Relate convection mechanisms to environmental phenomena such as sea breezes and lake overturning.+ Show more

Learning Objectives

• Understand key principles of ecological restoration, including reference conditions and active vs passive approaches.
• Identify factors influencing species selection, habitat connectivity, and corridor design in restoration projects.
• Analyze the trade-offs between short-term recovery and long-term ecosystem resilience.+ Show more

Learning Objectives

• Define what constitutes a clear design problem in science.
• Identify measurable criteria and constraints in real-world scenarios.
• Translate societal and environmental needs into specific, quantitative targets.+ Show more

Learning Objectives

• Classify substances as pure or mixtures based on their composition and properties.
• Identify examples of elements, compounds, and mixtures in real-world contexts.
• Understand the criteria that distinguish pure substances from mixtures.+ Show more

Learning Objectives

• Describe key chemical properties such as reactivity, combustion potential, and oxidation tendencies.
• Explain how observable indicators like gas evolution, colour change, and precipitate formation relate to chemical reactions.
• Differentiate the chemical stability of noble metals from reactive non-metals and their implications for material choice.+ Show more

Learning Objectives

• Understand how sensor response time influences temperature measurement accuracy.
• Compare different temperature sensing technologies and their calibration needs.
• Identify common error sources and ways to minimize measurement uncertainty.+ Show more

Learning Objectives

• Analyze climate data such as temperature and CO2 records
• Identify patterns and drivers of climate change
• Assess impacts on sea levels, precipitation, and agriculture+ Show more

Learning Objectives

• Understand the structure and function of the human circulatory system.
• Explain how blood transports oxygen and nutrients to organs and tissues.
• Identify the roles of different blood components, including hemoglobin.+ Show more

Learning Objectives

• Identify the main processes involved in the water cycle
• Explain how water moves through Earth's atmosphere, hydrosphere, and geosphere
• Recognize the interactions between different water cycle components and Earth’s spheres

Learning Objectives

• Identify different types of advanced construction materials including engineered timber, fibre-reinforced polymers, high-performance concrete, and composite systems.
• Explain how manufacturing processes and microstructure contribute to the strength, stiffness, and durability of advanced materials.
• Assess trade-offs between cost, fabrication complexity, and performance in the application of modern building materials.+ Show more

Learning Objectives

• Understand the concept of thermal conduction and how energy transfers through direct contact.
• Identify examples of conduction in everyday life.
• Explain how heat flows from hot to cold objects via conduction.

Learning Objectives

• Understand how human population growth influences demand for natural resources
• Identify regional examples of environmental pressures caused by population changes
• Analyze the effects of increased resource consumption on ecosystems and biodiversity+ Show more

Learning Objectives

• Interpret Punnett squares to predict genetic outcomes.
• Calculate probabilities of different genotypes and phenotypes.
• Understand how dominant and recessive alleles affect inheritance ratios.+ Show more

Learning Objectives

• Identify various digital tools used for data acquisition and organization.
• Understand formats such as CSV, timestamps, and metadata tags that facilitate data interoperability.
• Explain the advantages and limitations of automated logging systems.+ Show more

Learning Objectives

• Understand the concept of carrying capacity and how resource availability influences population size.
• Interpret simple graphical data depicting population changes over time.
• Explain how factors like food, water, and shelter affect animal populations.+ 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

• Identify different types of rocks and describe their characteristics
• Understand the basic processes involved in the rock cycle
• Recognize how rocks transform among igneous, sedimentary, and metamorphic types+ Show more

Learning Objectives

• Understand human impacts on ecosystems such as habitat alteration, pollution, resource extraction, and non-native species introduction.
• Analyze the consequences of human activities on species composition and ecosystem functions.
• Describe principles of ecological stewardship including mitigation, habitat protection, and restoration.+ Show more

Learning Objectives

• Understand the principles of structural optimization to balance material use, cost, and performance.
• Identify factors influencing topology and form optimization in engineering design.
• Apply performance-based criteria and life-cycle assessments in selecting optimal solutions.+ Show more

Learning Objectives

• Understand the different types of graphs and when to use each.
• Learn how to construct and interpret bar charts, histograms, line graphs, and scatter plots.
• Recognize the importance of axis scaling, error bars, trend lines, and annotations for clarity.+ Show more

Learning Objectives

• Explain how heat is transferred through convection in fluids.
• Identify real-world examples of natural and forced convection.
• Describe the roles of buoyancy forces and boundary layers in convection flow.+ Show more

Learning Objectives

• Understand the basic concepts of momentum and collisions.
• Identify how momentum is transferred during impacts.
• Differentiate between elastic and inelastic collisions.+ Show more

Learning Objectives

• Explain how gravitational attraction creates and shapes orbital motion in the solar system and beyond
• Use centripetal-force ideas to describe why orbiting objects move in curved paths without falling straight down
• Relate orbital speed and orbital period to mass and distance using qualitative mathematical relationships+ Show more

Learning Objectives

• Understand how friction acts as a force opposing motion and how surface roughness affects resistance.
• Explain how gravity causes acceleration and influences objects in free fall or on inclines.
• Differentiate between contact forces like friction and long-range forces such as gravity.+ Show more

Learning Objectives

• Understand the roles of supports, foundations, and load paths in construction.
• Identify how compression, tension, and shear forces affect structural elements.
• Evaluate materials based on properties like stiffness, strength, and durability.+ Show more

Learning Objectives

• Understand the concept of potential energy and how it is stored in different systems.
• Identify examples of gravitational, elastic, and magnetic potential energy.
• Explain how spatial arrangements affect stored energy in systems.+ Show more

Learning Objectives

• Identify and understand the conventions used in technical drawings and diagrams.
• Recognize standardized symbols, units, and labels used in engineering documentation.
• Explain the importance of clarity and unambiguity in technical communication.+ Show more

Learning Objectives

• Understand the particle arrangements, spacing, and movement in solids, liquids, and gases.
• Describe how temperature and pressure influence state changes.
• Identify observable characteristics that classify substances as solids, liquids, or gases.+ Show more

Learning Objectives

• Explain the different types of phase changes such as melting, freezing, vaporization, and condensation.
• Describe how temperature and pressure influence phase transitions.
• Understand the concept of latent heat during phase changes.+ Show more

Learning Objectives

• Describe the main organ systems in multicellular animals and their functions.
• Explain how different organ systems cooperate to support processes like gas exchange, nutrient distribution, and homeostasis.
• Compare system interactions in humans and plants, emphasizing dependencies and feedback mechanisms.+ Show more

Learning Objectives

• Explain how resource availability influences population growth.
• Interpret logistic growth curves and concepts of carrying capacity.
• Analyze how competition affects birth, death, immigration, and emigration rates in ecosystems.+ Show more

Learning Objectives

• Define what a keystone species is and explain its role in an ecosystem.
• Identify examples of keystone species and their impacts on biodiversity.
• Analyze how the removal of a keystone species can cause trophic cascades and ecosystem collapse.+ Show more

Learning Objectives

• Identify and describe different types of population interactions such as competition, predation, and mutualism.
• Explain how species coexistence is facilitated through niche partitioning, temporal separation, or habitat differentiation.
• Analyze mechanisms that stabilize or destabilize populations within communities.+ Show more

Learning Objectives

• Understand the human activities that impact ecosystems and environment.
• Analyze how scientific indicators are used to monitor environmental changes.
• Evaluate mitigation strategies to reduce negative human impacts on ecosystems.+ Show more