Grade 7 Worksheets

Learning Objectives

• Explain how limited resources affect survival and reproduction in ecosystems.
• Describe how changes in environmental conditions can lead to population increases or decreases.
• Use the terms limiting factor and carrying capacity to interpret population changes.

Learning Objectives

• Define and distinguish between solutions, colloids, and suspensions.
• Identify mixture types based on appearance and particle size.
• Explain the practical significance of different mixture categories in separation processes.

Learning Objectives

• Understand the causes and consequences of the Crusades on medieval European society.
• Analyze how the Crusades facilitated trade and cultural exchanges between Europe and Southwest Asia.
• Identify the social and economic changes that resulted from increased contact, urbanization, and trade routes during medieval times.

Learning Objectives

• Interpret symbolic chemical equations and explain what quantitative information they can (and cannot) provide about matter interactions.
• Read and compare graphs of mass or temperature versus time to determine trends such as reaction rate or energy change.
• Use tabulated experimental data and stoichiometric relationships to make quantitative comparisons.+ Show more

Learning Objectives

• Understand the causes and effects of imperial rivalries in North America between 1713 and 1850.
• Analyze how treaties, military contests, and governance impacted settlement patterns.
• Examine the roles of Indigenous Nations, merchants, and imperial powers in shaping colonial development.+ Show more

Learning Objectives

• Identify the three main tectonic boundary types and describe the motion between tectonic plates at each one
• Explain how boundary types create characteristic landforms, volcanic activity, and earthquake patterns
• Use evidence from descriptions to determine which boundary type is most likely occurring

Learning Objectives

• Explain the purpose of reference conditions and how they guide restoration goals.
• Compare active and passive restoration approaches and describe example trade-offs.
• Identify factors for restoration planning, including species selection, genetic considerations, and habitat connectivity.+ Show more

Learning Objectives

• Understand the concept of ecological succession and its stages
• Differentiate between primary and secondary succession
• Identify the key drivers influencing succession+ Show more

Learning Objectives

• Describe how light energy is converted into chemical energy during photosynthesis
• Explain how organisms harvest energy from food through cellular respiration
• Connect chloroplast-based sugar production with mitochondrial ATP generation across different taxa+ Show more

Learning Objectives

• Identify and describe the functions of key organelles in plant and animal cells.
• Differentiate between eukaryotic and prokaryotic cell organization.
• Connect cell structure features to their roles in processes like transport, synthesis, and compartmentalization.+ Show more

Learning Objectives

• Observe and compare plant epidermis, animal epithelial tissue, and protists using microscopy.
• Identify cell boundaries such as plasma membranes and cell walls in observed specimens.
• Distinguish between unicellular and multicellular organisms based on microscopic observations.+ Show more

Learning Objectives

• Describe how atoms are rearranged during digestion, biosynthesis, and respiration within organisms.
• Explain the conservation of matter during biochemical pathways like macromolecule synthesis and decomposition.
• Identify examples of carbon and nitrogen flow in biological processes.+ Show more

Learning Objectives

• Describe the structure and function of major organ systems in multicellular animals.
• Explain how organ systems interact to support processes like gas exchange, nutrient transport, and homeostasis.
• Compare system interactions in mammals and plants, highlighting system dependencies and feedback mechanisms.+ Show more

Learning Objectives

• Understand how to clearly define design problems with measurable constraints.
• Learn to translate societal and environmental needs into specific, quantitative criteria.
• Recognize real-world examples of problem specification for effective solution development.+ Show more

Learning Objectives

• Compare embryonic development stages across different taxa to identify conserved features.
• Explain how developmental structures like pharyngeal pouches and limb buds reflect evolutionary relationships.
• Analyze developmental timing and patterning to understand phylogenetic connections among vertebrates.+ Show more

Learning Objectives

• Identify igneous, sedimentary, and metamorphic rocks by how they form
• Differentiate weathering, erosion, and deposition using geological examples
• Explain possible pathways through the rock cycle+ Show more

Learning Objectives

• Explain how burial and mineral processes preserve fossil evidence.
• Compare the preservation of hard parts and soft tissues.
• Interpret fossil positions in undisturbed sedimentary rock layers.+ Show more

Learning Objectives

• Compare rocks and minerals using observable properties and consistent tests
• Explain how hardness, lustre, streak, and texture support mineral identification
• Describe the evidence and limitations provided by drilling operations+ Show more

Learning Objectives

• Identify tectonic plates and describe their role in crustal change.
• Compare folding and faulting by explaining their effects on rock layers.
• Explain how crustal movement contributes to earthquakes and volcanoes.+ Show more

Learning Objectives

• Compare species distribution and environmental conditions across habitats.
• Distinguish ecological succession from temporary weather-related changes.
• Explain why observations alone may not establish ecological causation.+ Show more

Learning Objectives

• Describe how pollination and fertilization contribute to seed formation.
• Identify the structures and functions of a flowering plant seed.
• Explain the conditions required for successful seed germination.+ Show more

Learning Objectives

• Identify the functions of roots, stems, leaves, and flowers
• Explain how water moves from roots toward plant leaves
• Describe how photosynthesis uses light, water, and carbon dioxide+ Show more

Learning Objectives

• Compare soil textures and explain their effects on water availability.
• Explain how soil nutrients and organic matter support plant growth.
• Distinguish biological pest control from chemical pest control.+ Show more

Learning Objectives

• Construct a testable prediction about plant growth under different watering conditions
• Identify safe practices for investigating plant-growing methods
• Interpret plant-growth observations and recognize uncertainty in results+ Show more

Learning Objectives

• Distinguish strength, stiffness, and flexibility during material tests.
• Explain the functions of fixed and movable structural joints.
• Identify variables to control in fair material load tests.+ Show more

Learning Objectives

• Distinguish conduction, convection, and radiation as energy transfer mechanisms.
• Explain how particle interactions transfer thermal energy through solids.
• Describe how moving fluids create convection currents.+ Show more

Learning Objectives

• Describe particle motion and spacing in solids, liquids, and gases.
• Explain how heating and cooling change average particle kinetic energy.
• Distinguish temperature from thermal energy transfer between objects.+ Show more

Learning Objectives

• Identify resources and environmental conditions organisms need from habitats.
• Explain how vegetation removal can change habitat conditions.
• Describe feeding, competition, and pollination relationships among organisms.+ Show more

Learning Objectives

• Compare heating sources by resource needs, safety, and environmental effects
• Explain how insulation and lids reduce unwanted heat loss
• Identify variables needed for a fair heating comparison+ Show more

Learning Objectives

• Identify applied loads using force arrows in structural examples.
• Distinguish tension, compression, shear, and bending.
• Explain how mass distribution affects structural stability.+ Show more

Learning Objectives

• Compare environmental interventions using scientific evidence and community observations
• Identify intended benefits and unintended consequences of waste-reduction proposals
• Explain how consistent methods improve comparisons of environmental observations+ Show more

Learning Objectives

• Trace energy transfer among producers, consumers, and decomposers
• Explain how carbon moves through organisms and the environment
• Describe water movement through the water cycle+ Show more

Learning Objectives

• Distinguish heat transfer from temperature measurement.
• Identify variables in a fair insulation investigation.
• Describe safe procedures for measuring water temperature.+ Show more

Learning Objectives

• Develop testable predictions about environmental questions and design problems
• Compare litter observations collected consistently across sites and dates
• Explain how uncertainty and alternative interpretations affect conclusions+ Show more

Learning Objectives

• Identify plant products and explain their uses in meeting human needs.
• Compare natural land with managed land used for plant production.
• Interpret crop yield and resource use when evaluating farming practices.+ Show more

Learning Objectives

• Explain why structures need safety margins under uncertain conditions.
• Compare how shape and bracing improve structural stability.
• Describe how connections transfer forces between structural parts.+ Show more

Learning Objectives

• Compare frame and shell structures by form and function
• Explain how material properties influence structural performance
• Identify potential failure points in structural designs+ Show more

Learning Objectives

• Describe how materials and shapes affect structural strength.
• Develop testable predictions about model-bridge performance.
• Identify variables and hazards in structural investigations.+ Show more

Learning Objectives

• Develop testable predictions about questions involving ecosystem conditions
• Plan safe and fair investigations using consistent sampling methods
• Interpret patterns in observations and measurements while recognising uncertainty+ Show more

Learning Objectives

• Identify energy sources used in common heating technologies.
• Interpret source-to-use diagrams showing energy pathways.
• Explain how thermostats regulate heating systems.+ Show more

Learning Objectives

• Distinguish qualitative observations from numerical measurements.
• Select suitable SI units for common scientific measurements.
• Calculate the mean of repeated measurements.+ Show more

Learning Objectives

• Distinguish observations from investigable questions and design problems.
• Select descriptive, comparative, or experimental investigation methods.
• Identify suitable tools and measurements for an investigation.+ Show more

Learning Objectives

• Identify environmental conditions that support known life on Earth.
• Explain how sunlight and liquid water support living organisms.
• Describe how Earth's atmosphere helps regulate planetary conditions.+ Show more

Learning Objectives

• Identify the main functions of four interacting human body systems.
• Trace how absorbed nutrients travel from the digestive system to cells.
• Explain how oxygen moves from the lungs into body tissues.+ Show more

Learning Objectives

• Compare shared characteristics scientists use to classify organisms.
• Identify the six kingdoms in the classification model.
• Describe distinguishing characteristics of organisms in different kingdoms.+ Show more

Learning Objectives

• Calculate average speed using total distance and elapsed time.
• Include appropriate units when reporting average speed.
• Distinguish distance traveled from displacement in a journey.+ Show more

Learning Objectives

• Distinguish physical changes from chemical changes in matter
• Identify observations that may indicate a chemical reaction
• Explain why boiling bubbles do not prove a chemical reaction+ Show more

Learning Objectives

• Compare divergent, convergent, and transform plate boundaries.
• Explain how plate interactions form mountains and ocean basins.
• Describe how plate movement can cause earthquakes and volcanic activity.+ Show more