Grade 7 Worksheets

Learning Objectives

• Explain what acceleration means in terms of changing velocity over time.
• Identify constant vs changing acceleration from patterns in velocity values.
• Describe how net force and mass affect acceleration using the idea of inertia.

Learning Objectives

• Use data and observations to support a scientific claim with specific references.
• Explain why evidence supports a claim using appropriate relationships and units.
• Evaluate alternative explanations by comparing which evidence fits best.

Learning Objectives

• Understand and interpret symbolic chemical equations.
• Analyze graphs showing mass or temperature changes over time.
• Read and interpret tabulated experimental data.+ Show more

Learning Objectives

• Explain how weather differs from climate using long-term patterns.
• Describe how the Sun’s energy, atmospheric circulation, and water distribution help determine climate.
• Model how ocean heat storage and heat release can influence regional climate.+ Show more

Learning Objectives

• State the law of conservation of mass for a closed system during physical and chemical changes.
• Use mass accounting to relate reactant mass and product mass in sealed reactions and dissolution processes.
• Balance simple formulas or mass expectations to reconcile observed mass distributions with stoichiometric relationships.

Learning Objectives

• Differentiate between mass and weight and explain how they are related to gravity
• Describe how gravity acts as a net force on falling objects and how it affects motion
• Use evidence from comparing different masses to support the idea that gravity provides the same type of force in the same gravitational field

Learning Objectives

• Explain how predators, prey, and competitors influence access to resources and affect survival and reproduction rates.
• Describe how mutualism and other population interactions can change population size over time.
• Interpret population trends using evidence about both environmental resources and organism responses to one another.

Learning Objectives

• Understand how energy enters and moves through an ecosystem
• Identify trophic levels and their roles in energy transfer
• Explain the concept of energy loss at each trophic transfer+ Show more

Learning Objectives

• Understand how surface-area-to-volume ratio affects cell size and function.
• Identify adaptations that increase exchange surface area in cells and organisms.
• Explain how multicellular organisms overcome surface area limitations through specialized structures.

Learning Objectives

• Summarize how human activities can alter ecosystems, including habitat change, pollution, resource extraction, and non-native species introductions.
• Explain how these impacts can affect species composition, ecosystem functions, and long-term ecosystem resilience.
• Describe stewardship principles such as habitat protection, mitigation, restoration priorities, and evidence-based monitoring.

Learning Objectives

• Understand how test data influences design improvements.
• Learn to interpret quantitative data for design decisions.
• Apply iterative adjustments to optimize design parameters.+ Show more

Learning Objectives

• Explain how optimization metrics help compare design choices under constraints.
• Identify common optimization metrics such as strength-to-weight ratio, operating cost, and energy conversion efficiency.
• Use evidence from a scenario to choose improvements that best meet explicit targets.

Learning Objectives

• Distinguish biotic factors from abiotic factors in an ecosystem
• Explain how abiotic conditions influence which organisms can survive
• Describe how changes in abiotic factors can affect biotic interactions and population sizes+ Show more

Learning Objectives

• Compare thermal conductivity qualitatively across metals, ceramics, polymers, and composites
• Explain how free electrons and lattice vibrations contribute to heat transfer in different materials
• Analyze how density, porosity, and moisture affect a material’s effective thermal conductivity+ Show more

Learning Objectives

• Explain how energy transfer causes changes of state between solid, liquid, and gas using the particle model
• Describe what happens to particle motion and particle arrangement during melting, freezing, evaporation, and condensation
• Interpret phase-change information to predict temperature behavior during energy transfer

Learning Objectives

• Explain how cooling air leads to cloud formation through condensation and deposition.
• Describe how temperature and moisture conditions determine whether precipitation is rain, snow, sleet, or hail.
• Connect energy changes during phase transitions to local weather patterns.

Learning Objectives

• Understand the basic factors influencing population size
• Identify how births, deaths, immigration, and emigration affect populations
• Explore the impact of limiting factors such as resource scarcity and predator-prey relationships+ Show more

Learning Objectives

• Identify the role of producers in ecosystems
• Describe how producers convert sunlight into food
• Differentiate between producers and consumers+ Show more

Learning Objectives

• Understand how plate tectonics shape Earth's surface through various geological features and processes.
• Identify different landforms and features caused by tectonic movements, volcanic activity, and surface weathering.
• Recognize evidence that connects geological processes to present-day landforms.

Learning Objectives

• Identify independent, dependent, and controlled variables in a science investigation
• Explain why controlled variables make comparisons fair
• Use tables and graphs to connect changes in the dependent variable to the independent variable

Learning Objectives

• Understand the concept of homologous and analogous structures.
• Identify examples of homologous structures in different species.
• Recognize vestigial organs and their significance.+ Show more

Learning Objectives

• Explain how supporting details (evidence) help readers make inferences.
• Determine causes, motives, and consequences using textual evidence.
• Use the sequence of events and quoted ideas to make and support a claim.

Learning Objectives

• Define states of matter as different arrangements of particles and different energy regimes
• Describe common phase changes: melting, freezing, vaporization, condensation, and sublimation
• Explain how temperature and pressure influence phase transitions and relate them to properties such as density and viscosity+ Show more

Learning Objectives

• Identify the key phases shown on a temperature–time heating curve for a pure substance
• Explain why temperature stays constant during melting and boiling plateaus
• Connect energy transfer to particle arrangement changes during phase changes+ Show more

Learning Objectives

• Understand how human activities influence Earth's atmosphere and other spheres
• Identify cause-and-effect relationships related to fossil fuel burning
• Analyze the feedback mechanisms resulting from environmental changes

Learning Objectives

• Define acceleration as the rate of change of velocity, including direction (positive or negative).
• Explain how mass (inertia) affects acceleration when the same net force acts on different objects.
• Identify constant vs. changing acceleration from how velocity changes over time.+ Show more

Learning Objectives

• Explain how fair tests keep all variables the same except the intended design variable.
• Select appropriate measurement tools and explain why units and scales matter.
• Describe how consistent testing procedures help attribute differences to the design rather than the setup.

Learning Objectives

• Edit writing for correct capitalization and end punctuation to keep meaning clear.
• Use commas to support sentence structure and reduce ambiguity in complex sentences.
• Choose correct apostrophes for possession and contractions during revision.+ 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

• Identify the purpose of a piece of writing and explain how it shapes what information is included.
• Determine the intended audience and describe how audience needs influence tone, vocabulary, and level of detail.
• Use purpose and audience to make decisions about organization and the complexity of information.

Learning Objectives

• Understand and explain the concept of conduction as a mode of energy transfer
• Identify different mechanisms of energy transfer: conduction, convection, and radiation
• Analyze everyday examples of energy transfer methods+ Show more

Learning Objectives

• Explain how natural selection works using the ideas of heritable variation and differential survival and reproduction.
• Identify examples of how environmental pressures can change allele or trait frequencies over generations.
• Distinguish natural selection from changes caused by an organism’s lifetime behavior or “trying to adapt.”+ Show more

Learning Objectives

• Identify common physical properties of matter and explain how they can be observed or measured
• Use physical property clues to distinguish between substances and to reason about separating mixtures
• Connect changes in behavior (heat response and dissolving) to specific physical properties

Learning Objectives

• Explain how Patriot Day and other civic traditions help people honor heroes and reflect on service
• Identify key details and correct or incorrect statements about Patriot Day and respectful remembrance
• Use vocabulary related to patriotism, memorials, and community to complete sentences accurately+ Show more

Learning Objectives

• Explain how cells communicate using chemical signals and electrical signals
• Describe how receptor proteins trigger intracellular pathways that change cell activity
• Compare direct cell-to-cell connections (gap junctions and plasmodesmata) with signal reception through receptors+ Show more

Learning Objectives

• Explain how detritivores, fungi, and bacteria break down organic matter during decomposition.
• Describe how carbon and nitrogen are transformed and recycled through decomposition.
• Identify abiotic factors that affect decomposition rates and soil fertility.+ Show more

Learning Objectives

• Identify treatment variables, control variables, and dependent outcomes in a scientific investigation.
• Explain how control groups, replication, and randomization reduce confounding influences.
• Describe how blocking and documentation help manage known sources of variation and methodological constraints.

Learning Objectives

• Distinguish quantitative observations from qualitative observations in everyday science situations.
• Choose appropriate metric units and tools for measuring length, mass, and volume.
• Develop a simple scientific inquiry plan that includes a question, hypothesis, measurements, and error awareness.

Learning Objectives

• Explain how fitness relates to survival and reproduction in a particular environment
• Describe how environmental conditions can change selection pressures and favor different traits
• Connect fitness to heritable variation and how populations can change over time

Learning Objectives

• Explain how predator-prey interactions create population feedback loops in ecosystems.
• Use cause-and-effect reasoning to predict how changes in predator or prey populations affect other species.
• Identify the main idea of short ecological paragraphs and match them to appropriate captions.+ Show more

Learning Objectives

• Identify and describe the six types of simple machines and their functions.
• Calculate mechanical advantage for different simple machines using given data.
• Explain how simple machines alter force and direction to make work easier.+ Show more

Learning Objectives

• Understand the role of oral histories and place-based knowledge in ecological understanding.
• Identify examples of stewardship and land-use practices from Indigenous communities in Alberta.
• Recognize the importance of integrating different knowledge systems for interpreting environmental patterns.+ Show more

Learning Objectives

• Identify standard units and explain why instrument choice affects measurement accuracy and precision.
• Read measurement scales correctly and estimate uncertainty from the smallest scale division.
• Distinguish systematic error from random error and describe how each affects repeated measurements.+ Show more

Learning Objectives

• Explain how ecological inquiry uses questions, observations, and evidence to evaluate relationships in ecosystems.
• Identify measurable variables and justify why they are chosen within defined limits.
• Interpret ecological data while considering natural variability and human impacts.

Learning Objectives

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

Learning Objectives

• Explain the difference between weather and climate using examples
• Identify key variables of weather (temperature, precipitation, humidity, wind)
• Describe how climate is determined by long-term averages and variability

Learning Objectives

• Explain how births, deaths, immigration, and emigration affect population size over time
• Describe limiting factors and carrying capacity in population growth
• Use predator–prey relationships to explain population oscillations+ Show more

Learning Objectives

• Identify effective advocacy strategies that use strategic communication to support health initiatives.
• Explain how coalition-building helps communities influence health decisions and policies.
• Develop and refine a persuasive message for a specific health issue while considering diverse community needs.