Grade 4 Worksheets

Learning Objectives

• Describe how sedimentary rocks form through weathering, erosion, and cementation.
• Differentiate between clastic, chemical, and organic sedimentary rocks with examples.
• Explain how features like bedding and fossil content record past environments.

Learning Objectives

• Understand the different roles organisms play in an ecosystem.
• Identify producers, consumers, and decomposers and their functions.
• Recognize feeding relationships and nutrient recycling in ecosystems.+ Show more

Learning Objectives

• Understand how constraints influence design decisions.
• Identify examples of tradeoffs in engineering and design.
• Analyze how limitations on materials and dimensions affect feasible solutions.+ Show more

Learning Objectives

• Understand how rock layers and fossils provide evidence of Earth's landscape changes over time.
• Identify features such as fossil assemblages, unconformities, and cross-cutting relationships as indicators of geological events.
• Interpret layered rock records to reconstruct past environments and shifts in biodiversity.+ Show more

Learning Objectives

• Understand how the physical construction of musical instruments affects sound.
• Identify factors that influence pitch and loudness in different instruments.
• Link physical parameters to acoustic outcomes in string, wind, and percussion instruments.+ Show more

Learning Objectives

• Understand how gears, pulleys, levers, and linkages work together to produce specific force or motion outcomes.
• Identify design considerations like trade-offs such as torque versus speed in combined systems.
• Analyze mechanistic examples like simple winches and geared lifts to understand their functioning.+ Show more

Learning Objectives

• Understand the concepts of mass and volume and how they are measured.
• Compare different samples based on their mass and volume.
• Recognize that the same mass can have different volumes depending on shape.+ Show more

Learning Objectives

• Understand what simple machines are and how they help make work easier.
• Identify different types of simple machines such as levers and inclined planes.
• Explain how simple machines change the direction or amount of force needed.+ Show more

Learning Objectives

• Understand how wave speed varies in different media like solids, liquids, and gases.
• Explain how impedance mismatches affect sound reflection and transmission.
• Describe how temperature and medium composition influence sound propagation.+ Show more

Learning Objectives

• Understand concepts of species richness, abundance, and distribution in communities.
• Distinguish between native and introduced species.
• Explain how habitat diversity supports biodiversity.+ Show more

Learning Objectives

• Understand different ways materials can combine and how they can be separated.
• Identify physical properties used to separate mixtures, such as size, solubility, and evaporation.
• Describe methods to recover parts of a mixture without changing the materials into new substances.+ Show more

Learning Objectives

• Identify different physical and chemical weathering agents and their effects on rocks.
• Describe processes like freeze-thaw, abrasion, plant root wedging, oxidation, and dissolution.
• Link weathering features such as rounded boulder surfaces, pits, and rust-colored rocks to specific agents.+ Show more

Learning Objectives

• Understand the sequence of the Moon's phases over a lunar cycle.
• Identify different lunar phases and their characteristics.
• Explain how Earth's perspective affects the appearance of the Moon.+ Show more

Learning Objectives

• Understand how temperature changes cause matter to change states.
• Identify examples of melting, freezing, evaporation, and condensation.
• Describe the particle behavior during different state changes.+ Show more

Learning Objectives

• Understand how vibrating sources produce sound waves that transmit energy through different mediums.
• Identify factors that influence the perception of pitch and loudness in sound.
• Describe production phenomena like sustained vibrations, transient strikes, and driven oscillations.+ Show more

Learning Objectives

• Understand how patterns in tables and charts can be translated into models.
• Learn to identify relationships and trends in data.
• Create simple models like arrows, graphs, or diagrams to summarize data.+ Show more

Learning Objectives

• Understand how scientific principles like force, friction, gravity, and electricity influence design decisions.
• Learn how engineering choices align with scientific concepts to improve prototype performance.
• Recognize the importance of scientific understanding in creating functional systems like flashlights.+ Show more

Learning Objectives

• Understand how to evaluate prototypes using specific criteria.
• Learn the constraints that limit design options.
• Compare performance features against criteria within constraints.+ Show more

Learning Objectives

• Understand how organisms are classified based on observable traits.
• Learn how evidence influences classification decisions and changes.
• Identify traits that separate different groups of organisms.+ Show more

Learning Objectives

• Explain how slope and pitch reduce input force needed to move objects using inclined planes.
• Compare ramps and screw threads as continuous inclined planes.
• Understand the inverse relationship between angle or thread pitch and mechanical advantage.+ Show more

Learning Objectives

• Understand the process of soil formation and the factors that influence it.
• Identify different soil horizons and their characteristics.
• Explain how climate, topography, and parent rock affect soil development.+ Show more

Learning Objectives

• Understand how light interacts with different materials to transmit, scatter, or absorb.
• Identify examples of transparent, translucent, and opaque materials in everyday life.
• Explain how surface and bulk properties affect the appearance and behavior of materials under light.+ Show more

Learning Objectives

• Understand the key properties used to identify minerals, such as hardness, streak, cleavage, fracture, lustre, and colour.
• Learn simple field tests to distinguish different minerals and support classification.
• Recognize the importance of mineral properties in rock formation and everyday materials.

Learning Objectives

• Identify biotic and abiotic elements in habitats.
• Explain the concept of habitat and niche with examples.
• Understand how habitat features influence species distribution.+ Show more

Learning Objectives

• Explain how shadows are formed by obstruction of light.
• Identify factors affecting shadow size and sharpness.
• Describe how multiple sources create complex shadow patterns.+ Show more

Learning Objectives

• Understand how sound reflection creates echoes and reverberation.
• Identify materials and surfaces that absorb sound and reduce echoes.
• Explain how surface geometry and arrangement affect sound clarity in rooms.+ Show more

Learning Objectives

• Explain how heat, pressure, and chemically active fluids change preexisting rocks into metamorphic rocks.
• Distinguish between contact and regional metamorphism and recognize examples such as marble and gneiss.
• Describe how mineralogy, texture, and foliation are affected during metamorphic processes.+ Show more

Learning Objectives

• Understand the concepts of pitch and loudness in sound.
• Identify physical factors that influence pitch and loudness.
• Describe how tension, length, and mass affect string vibration and sound.+ Show more

Learning Objectives

• Understand how friction affects the efficiency of mechanisms.
• Identify factors that influence the reduction of energy losses in machines.
• Differentiate between ideal and actual mechanical advantage in real-world systems.+ Show more

Learning Objectives

• Understand how human activities affect local habitats and ecosystems.
• Identify examples of human impacts such as pollution, habitat loss, and resource extraction.
• Describe observable ecological indicators of habitat change.+ Show more

Learning Objectives

• Understand how the ray model represents light propagation.
• Identify how rays are used to predict shadows and reflections.
• Describe the relationship between incident and reflected rays.+ Show more

Learning Objectives

• Understand different types of symbiotic relationships among species.
• Identify examples of mutualism, commensalism, and parasitism.
• Analyze how these interactions affect community structure and population control.+ Show more

Learning Objectives

• Describe the major types of soil: sand, silt, clay, and loam.
• Explain how particle size affects water retention, permeability, and aeration.
• Identify how organic material improves soil structure and fertility.+ Show more

Learning Objectives

• Understand the basic components and classes of levers, including fulcrum, input, and output arms.
• Explain how lever systems use proportional arm lengths to exert force and achieve mechanical advantage.
• Distinguish between the three classes of levers with examples: seesaw, wheelbarrow, and tweezers.+ Show more

Learning Objectives

• Understand how to communicate scientific findings clearly and logically.
• Identify the key components of credible scientific communication.
• Learn how to interpret and summarize patterns and evidence in experiments.+ Show more

Learning Objectives

• Understand how forces like push and pull change an object's speed and direction.
• Identify examples of push and pull forces in everyday life.
• Explain how force strength affects the motion of objects.+ Show more

Learning Objectives

• Understand how light moves in straight lines and how it creates shadows.
• Identify factors that affect the size and position of shadows.
• Predict shadow behavior based on light source position and object size.+ Show more

Learning Objectives

• Understand how ratios of distances relate to mechanical advantage in simple mechanisms.
• Interpret force amplification and displacement trade-offs using measurements.
• Identify and differentiate units of force and rotation in mechanical systems.+ Show more

Learning Objectives

• Understand how waves are reflected, absorbed, or transmitted at boundaries between materials.
• Identify observable outcomes of wave interactions such as diminished intensity or redirected wave paths.
• Compare different materials based on their interaction with waves.+ Show more

Learning Objectives

• Understand the stages of primary and secondary succession.
• Identify pioneer species and their characteristics.
• Explain how succession changes habitat and biodiversity over time.+ Show more

Learning Objectives

• Understand how to plan fair tests by controlling variables and recording data.
• Learn to interpret results and identify failure modes in a testing scenario.
• Apply systematic improvements to design projects such as bridges or parachutes.+ Show more

Learning Objectives

• Understand the different agents of weathering and erosion such as water, ice, wind, and vegetation.
• Identify landforms created by various weathering processes.
• Compare the rates of sediment transport and landscape change under different environmental conditions.+ Show more

Learning Objectives

• Understand how to interpret topographic and geological maps.
• Identify and analyze spatial patterns of Earth's surface features.
• Relate map symbols, scale, and elevation to real-world landforms and processes.+ Show more

Learning Objectives

• Identify and describe common simple machines such as levers, inclined planes, wedges, screws, wheel-and-axles, and pulleys.
• Understand how simple machines change the magnitude, direction, or distance of an input force.
• Recognize examples of simple machines in daily life and explain their function.+ Show more

Learning Objectives

• Describe the key features and types of wetlands such as marshes, swamps, and bogs.
• Identify plant and animal adaptations specific to wetland environments.
• Explain the ecological roles of wetlands in nutrient cycling and flood control.+ Show more

Learning Objectives

• Understand how to identify a problem with measurable criteria and constraints.
• Learn to articulate success measures such as containment, weight, and volume.
• List and analyze constraints like materials, cost, and size.+ Show more

Learning Objectives

• Understand how patterns of waves encode and transmit information.
• Identify different types of signals such as Morse code, rhythmic sounds, and optical signals.
• Compare signal clarity, interference susceptibility, and bandwidth requirements across media.+ Show more

Learning Objectives

• Understand how igneous rocks form from molten magma or lava.
• Distinguish between intrusive and extrusive igneous rocks based on cooling rates and crystal size.
• Learn how textures and mineral patterns record the cooling history and tectonic setting of igneous rocks.+ Show more