Grade 7 Worksheets

Learning Objectives

• Explain how the law of superposition and original horizontality help determine relative ages of rock layers.
• Use cross-cutting relationships and intrusive contacts to place events in a likely time order.
• Interpret stratigraphic markers such as fossil assemblages and unconformities to correlate layers.

Learning Objectives

• Use astronomical units (AU), planetary diameters, and light-years to compare distances in space.
• Interpret scaled diagrams and logarithmic ideas to explain orders of magnitude differences.
• Explain how scale affects what we can observe and how fast objects appear to move.

Learning Objectives

• Use probability to predict expected genotype and phenotype ratios from monohybrid crosses.
• Connect Punnett square outcomes to inheritance probabilities.
• Explain how larger populations better match predicted ratios due to random chance.+ Show more

Learning Objectives

• Define health advocacy and explain why it matters for community health.
• Describe how individuals and organizations can influence health policies and practices.
• Identify effective advocacy actions, including communicating clearly and organizing community support.

Learning Objectives

• Identify how SMART goals (specific, measurable, attainable, relevant, time-bound) improve participation in moderate-to-vigorous physical activity
• Write short-term and long-term activity goals that include clear measurements and deadlines
• Use planning strategies to track progress and overcome common barriers to being active

Learning Objectives

• Explain how exponential and logistic growth models describe population changes over time
• Identify limiting factors (food, predation, disease, and abiotic stress) and predict their effects on populations
• Distinguish density-dependent from density-independent influences on population size+ Show more

Learning Objectives

• Explain how energy moves from producers to consumers through trophic levels
• Use quantitative ideas (energy-transfer efficiency percentages) to predict how much energy reaches higher levels
• Interpret biomass pyramids and describe why energy availability limits population sizes+ Show more

Learning Objectives

• Explain why European countries explored in the 15th and 16th centuries using economic, technological, and political reasons
• Describe major outcomes of exploration, including the Columbian Exchange and its effects on people, plants, animals, and disease
• Analyze how exploration connected regions of the world and contributed to later European colonial empires

Learning Objectives

• Explain how heritable variation and environmental pressures drive natural selection.
• Describe how differential survival and reproduction can shift trait distributions over generations.
• Use real-world examples (antibiotic resistance and island finches) to identify selective pressures and adaptations.

Learning Objectives

• Explain how mechanized production changed efficiency and the number of goods available.
• Describe how industrialization affected work conditions and created new job opportunities in cities.
• Analyze how urbanization and improved transportation influenced economic growth and markets.

Learning Objectives

• Explain how reproductive isolation and geographic separation can lead to speciation.
• Describe how founder effects, polyploidy, and adaptive radiation increase biodiversity.
• Use biogeographic and time-based patterns to interpret how new species form.

Learning Objectives

• Explain how political authority and legitimacy work in different systems of government
• Compare democracy, monarchy, and dictatorship using legal, cultural, and historical factors
• Identify how legitimacy affects stability, change, and citizen participation

Learning Objectives

• Explain how mechanized manufacturing and chemical processes changed labor systems and economic models
• Analyze how industrial innovations affected urbanization, employment, and social class structures
• Evaluate cause-and-effect relationships between technology, culture, and economic stability

Learning Objectives

• Compare particle, ball-and-stick, and lattice representations of atoms and how they relate to molecular vs extended structures.
• Explain how subatomic particles and atomic number connect to atomic notation and bonding patterns.
• Predict how bonding patterns (covalent vs ionic/extended networks) influence properties such as melting point and electrical behavior.

Learning Objectives

• Explain key internal and external factors that weakened the Western Roman Empire.
• Describe how political instability and economic problems reduced centralized power.
• Analyze how invasions disrupted trade, governance, and daily life.+ Show more

Learning Objectives

• Describe how thermal energy moves through conduction, convection, and radiation using real-world examples.
• Connect temperature changes and observable evidence to the type of heat transfer and the idea of heat flow.
• Compare how quickly different heat transfer modes can move energy in everyday situations.

Learning Objectives

• Identify when a decision is necessary and describe why pausing can improve outcomes.
• Use a step-by-step decision process to make healthier, safer choices.
• Apply personal values, beliefs, and available information to compare options.+ Show more

Learning Objectives

• Identify key verbal and nonverbal communication skills that help people understand each other.
• Explain how tone of voice and body language can change the meaning of a message.
• Practice choosing respectful responses during everyday conversations.

Learning Objectives

• Explain how energy moves through trophic levels in a food chain, including the roles of producers, consumers, and decomposers
• Describe photosynthesis and cellular respiration as mechanisms for capturing and releasing energy
• Model an energy budget using energy-pyramid ideas and typical transfer efficiencies

Learning Objectives

• Explain how predation, competition, parasitism, mutualism, and commensalism affect populations in both terrestrial and aquatic ecosystems.
• Use food webs and interaction networks to trace direct and indirect (cascading) effects between species.
• Make evidence-based claims about interaction strength using examples such as predator-prey cycles and invasive species.

Learning Objectives

• Explain what species richness and evenness mean and how they contribute to biodiversity
• Interpret common biodiversity index values when comparing habitats
• Describe how habitat heterogeneity and niche diversity can affect species turnover+ Show more

Learning Objectives

• Explain how advanced construction materials such as engineered timber, fibre-reinforced polymers, high-performance concrete, and composite systems can increase strength, stiffness, and durability
• Describe how manufacturing processes and microstructure features affect material performance
• Evaluate trade-offs among cost, fabrication complexity, and performance when selecting materials for buildings and bridge retrofits+ Show more

Learning Objectives

• Explain how bolted, welded, and bearing connections help create continuous load paths in structures.
• Describe how shear, bearing, and slip can affect connection performance and structural capacity.
• Use truss-node and column-to-footing examples to predict how connection stiffness and detailing influence failure modes.

Learning Objectives

• Describe how engineers map primary and secondary load paths in buildings and bridges to transfer gravity, lateral, and dynamic forces safely to foundations.
• Explain how openings, re-entrant corners, and irregular geometry can redistribute loads and change stiffness and internal force locations.
• Justify the importance of redundancy and alternative load paths to reduce the risk of collapse.

Learning Objectives

• Distinguish exponential growth from logistic growth using the ideas of limiting factors and carrying capacity.
• Explain how density-dependent and density-independent factors can affect population size over time.
• Interpret population growth and carrying-capacity graphs and connect patterns to real environmental causes.

Learning Objectives

• Compare embryonic development stages across different animal groups and identify conserved features.
• Explain how shared embryonic structures and developmental timing can support evolutionary relationships.
• Use examples such as pharyngeal pouches and limb buds to interpret evidence for common developmental pathways.

Learning Objectives

• Explain how density differences allow mixtures to be separated using decanting, flotation, and centrifugation.
• Describe how buoyant force, sedimentation rate, and centrifugal acceleration relate to particle size and density contrast.
• Choose an appropriate density-separation method by comparing what each method uses (gravity, buoyancy, or acceleration).

Learning Objectives

• Understand the production pathways from natural resources to synthetic materials
• Identify common synthetic materials like polyethylene, PET, and nylon
• Describe processes such as polymerization and refining+ Show more

Learning Objectives

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

Learning Objectives

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

Learning Objectives

• Understand the basic structure of plant and animal cells
• Identify parts of a cell under a microscope
• Differentiate between unicellular and multicellular organisms+ Show more

Learning Objectives

• Understand what density is and how it relates to material properties.
• Compare the density of different materials using observations and data.
• Learn how density helps identify and classify materials in everyday life.

Learning Objectives

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

Learning Objectives

• Understand how wildfires influence plant and animal populations in forests.
• Identify different biological and physical disturbances and their impacts on ecosystems.
• Interpret data related to ecosystem recovery after disturbances.+ Show more

Learning Objectives

• Understand different ways to represent matter interactions
• Interpret symbolic chemical equations
• Read and analyze graphs of mass or temperature versus time+ Show more

Learning Objectives

• Identify the signs indicating a chemical reaction has occurred
• Understand examples of chemical indicators such as gas production and precipitate formation
• Explain how energy changes and mass measurements relate to chemical reactions+ Show more

Learning Objectives

• Understand the concept of population growth and carrying capacity.
• Analyze graphical data representing population changes over time.
• Identify factors that influence population size, such as resources and competition.+ Show more

Learning Objectives

• Define and distinguish between homogeneous and heterogeneous mixtures.
• Identify examples of different types of mixtures, including solutions, suspensions, and colloids.
• Understand concepts of solubility, saturation, and concentration in mixtures.+ Show more

Learning Objectives

• Understand the process of photosynthesis
• Identify the role of light energy in chemical energy production
• Learn how plants convert sunlight into food+ Show more

Learning Objectives

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

Learning Objectives

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

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

• Understand different types of species interactions: predation, competition, parasitism, mutualism, and commensalism.
• Identify predator-prey relationships in forest ecosystems.
• Analyze how species interactions affect community structure and resource distribution.+ Show more

Learning Objectives

• Understand the causes of deforestation and its impact on ecosystems.
• Identify human activities that contribute to environmental degradation.
• Analyze the consequences of deforestation for biodiversity and climate.+ Show more

Learning Objectives

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

Learning Objectives

• Identify key stages of embryonic development across different animal groups
• Compare and contrast embryonic features among taxa to understand evolutionary relationships
• Recognize conserved structures such as pharyngeal pouches and limb buds+ Show more

Learning Objectives

• Understand the basic concepts of natural selection
• Recognize how traits influence survival and reproduction
• Identify examples of adaptation in different species+ Show more

Learning Objectives

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