Grade 7 Science Worksheets

Learning Objectives

• Explain how relative positions produce predictable celestial patterns
• Interpret diagrams showing the phases of the Moon
• Compare solar and lunar eclipses using alignment and shadows+ Show more

Learning Objectives

• Apply superposition to determine the relative ages of rock layers
• Interpret original horizontality when examining sedimentary rock formations
• Use cross-cutting relationships to sequence geological events+ Show more

Learning Objectives

• Describe how gravitational attraction keeps celestial objects in orbit
• Compare orbital paths across different gravitational systems
• Compare orbital periods and speeds in space+ Show more

Learning Objectives

• Explain how plate tectonics influences natural resource distribution
• Describe how sedimentation and weathering affect resource formation
• Compare the formation and locations of mineral deposits+ Show more

Learning Objectives

• Identify situations in which forces acting on an object are balanced
• Determine when the net force acting on an object is zero
• Distinguish between static and dynamic equilibrium using examples+ Show more

Learning Objectives

• Identify the forces acting on an object
• Determine the direction of the net force
• Explain how unbalanced forces change an object's motion+ Show more

Learning Objectives

• Identify how greenhouse gases influence Earth's climate
• Explain the effects of land-use changes on climate
• Analyse evidence of climate change and its consequences+ Show more

Learning Objectives

• Compare the sizes of objects within the solar system and beyond
• Describe cosmic distances using kilometres, astronomical units and light-years
• Interpret astronomical observations to identify differences in cosmic scale+ Show more

Learning Objectives

• Interpret population data to explain evolutionary changes over generations
• Compare how natural selection and genetic drift affect allele frequencies
• Use simple mathematical models to explain changes in inherited traits+ Show more

Learning Objectives

• Identify evidence that living organisms consist of individual cells
• Compare unicellular and multicellular organisms using cell observations
• Explain how cell boundaries and arrangements distinguish organisms+ Show more

Learning Objectives

• Distinguish physical properties from chemical properties using material examples
• Compare materials using density, melting point, and solubility
• Evaluate electrical conductivity and reactivity as material properties+ Show more

Learning Objectives

• Identify how different organ systems work together to meet organism needs
• Explain how respiratory and circulatory systems cooperate
• Describe how digestive and nervous systems support stable internal conditions+ Show more

Learning Objectives

• Trace carbon atoms through digestion and cellular respiration
• Trace nitrogen atoms through biological processes
• Explain how organisms rearrange atoms to build molecules+ Show more

Learning Objectives

• Identify structures and organelles in plant and animal cells
• Describe the functions of different cell organelles
• Explain how organelle structures support cellular processes+ Show more

Learning Objectives

• Explain how population growth increases demand for natural resources
• Identify human activities that alter ecosystems and reduce biodiversity
• Describe how human activity contributes to pollution and carbon emissions+ Show more

Learning Objectives

• Identify atoms, subatomic particles, and atomic numbers
• Interpret chemical formulas for familiar substances
• Compare particle, ball-and-stick, and lattice models+ Show more

Learning Objectives

• Identify evidence that a chemical reaction has produced new substances
• Compare gas production, precipitate formation, colour change, and temperature change
• Explain how mass evidence supports conservation of matter+ Show more

Learning Objectives

• Identify different types of interactions between species.
• Explain how species interactions affect the organisms involved.
• Use ecosystem evidence to explain direct and indirect effects.+ Show more

Learning Objectives

• Identify how organisms transform light and chemical energy.
• Explain how plants store energy in sugar.
• Describe how organisms release energy from food to produce ATP.+ Show more

Learning Objectives

• Compare engineering solutions using consistent performance measures
• Evaluate designs based on cost, durability, and construction difficulty
• Identify advantages and disadvantages of competing engineering designs+ Show more

Learning Objectives

• Identify how human activities change natural environments.
• Explain the effects of environmental changes on people and ecosystems.
• Interpret environmental evidence and monitoring indicators.+ Show more

Learning Objectives

• Identify producers as the entry point for energy in ecosystems
• Describe how energy moves through consumers and decomposers
• Explain the role of photosynthesis in ecosystem energy flow+ Show more

Learning Objectives

• Explain how limited resources influence population growth.
• Describe how carrying capacity limits ecosystem populations.
• Interpret data showing population growth, stability, and decline.+ Show more

Learning Objectives

• Distinguish solutions, colloids, suspensions, and heterogeneous mixtures
• Explain how solubility affects the behaviour of mixtures
• Describe how concentration and temperature influence mixtures+ Show more

Learning Objectives

• Interpret chemical equations describing changes in matter
• Analyze experimental tables and graphs for patterns
• Compare quantitative relationships involving mass and temperature+ Show more

Learning Objectives

• Identify homologous, analogous, and vestigial structures in organisms.
• Compare anatomical similarities and differences across organisms.
• Explain how anatomical structures provide evidence of evolutionary relationships.+ Show more

Learning Objectives

• Describe ecological succession as directional change in community composition after disturbance.
• Differentiate primary succession from secondary succession using starting conditions.
• Explain how soil development, seed dispersal, competition, and facilitation influence successional stages.+ Show more

Learning Objectives

• Explain how tectonic activity, weathering, erosion, and deposition reshape Earth’s surface over time
• Distinguish between weathering and erosion and describe how each contributes to landform change
• Use geologic vocabulary to interpret how landscapes can appear stable while still changing

Learning Objectives

• Understand the role of traditional ecological knowledge in environmental observation.
• Identify examples of place-based knowledge and stewardship practices.
• Explain how different knowledge systems complement each other in interpreting ecological patterns.+ Show more

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Explain how unbalanced forces cause changes in motion.
• Use free-body diagrams to visualize forces.+ Show more

Learning Objectives

• Analyze the transfer of energy through trophic levels in various ecosystems.
• Understand and calculate trophic efficiency percentages and biomass pyramid patterns.
• Describe the process of solar energy capture by primary producers and energy loss through respiration and heat.+ Show more

Learning Objectives

• Understand the different components that make up an ecosystem.
• Identify the roles of biotic and abiotic factors in ecosystems.
• Explain how energy flows through an ecosystem via producers and consumers.+ Show more

Learning Objectives

• Explain the basic concept of the particle model of matter.
• Describe how particles behave in solids, liquids, and gases.
• Understand that chemical changes involve rearrangement of particles without a change in mass.

Learning Objectives

• Understand basic principles of different temperature sensors
• Recognize factors affecting sensor accuracy and response time
• Identify sources of measurement uncertainty and errors+ Show more

Learning Objectives

• Identify structural adaptations in animals and plants
• Understand how adaptations support survival
• Recognize examples of physical traits that aid life processes

Learning Objectives

• Understand the particles' kinetic motion and how it relates to temperature and heat.
• Identify common heat transfer methods: conduction, convection, and radiation.
• Explain how environmental examples like winter heating and snowpack reflectivity demonstrate thermal processes.+ Show more

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

• 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

• 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