Grade 3 Worksheets

Learning Objectives

• Measure and compare pumpkin height, circumference, and weight using both nonstandard and standard units.
• Use measurement vocabulary such as height, circumference, mass, unit, and estimate accurately.
• Explain why measurements can differ and how to improve accuracy with teamwork and careful tools.

Learning Objectives

• Capitalize the first word of every sentence.
• Capitalize proper nouns, including names of people, places, days, and months.
• Capitalize titles and official names when they are part of a specific designation.

Learning Objectives

• Explain how Earth’s rotation causes day and night
• Describe how different sides of Earth face the Sun during its spin
• Recognize that the daily cycle is caused by Earth’s motion, not the Sun’s motion+ Show more

Learning Objectives

• Identify temperature, precipitation, and wind as key daily weather observations
• Use weather words to describe conditions for different days
• Compare daily weather data to find simple patterns over several days+ Show more

Learning Objectives

• Explain how warm temperatures can increase evaporation and water vapor in the air
• Describe how cooling air can cause condensation and the formation of clouds
• Identify how precipitation happens when cloud droplets combine and become heavy+ Show more

Learning Objectives

• Identify how text features help readers find and understand key information in informational text.
• Explain how headings, captions, and bold words connect to the sentences around them.
• Use text features to answer questions about a short passage.+ Show more

Learning Objectives

• Identify a theme (message or lesson) in a short story by using evidence from key events.
• Explain how specific details from the text connect to the theme.
• Compare how the story’s ending and title clue the theme.+ Show more

Learning Objectives

• Use sentence clues and illustrations to infer the meaning of unfamiliar words.
• Identify how word choice can change the tone of a text.
• Explain the difference between literal and figurative meanings in familiar phrases.

Learning Objectives

• Identify kinds of courage such as helping others, staying calm, and showing kindness
• Use details from a passage to answer comprehension questions
• Explain how gratitude and community support help people during hard times

Learning Objectives

• Explain what memorials are and how they help people remember loved ones and heroes.
• Identify how memorials support respect, empathy, and reflection in a community.
• Describe why communities honor history to learn about resilience and healing.

Learning Objectives

• Describe how community remembrance can help people cope after difficult times
• Identify ways friendship and compassion support community resilience
• Use evidence from a passage to answer questions about feelings and hope

Learning Objectives

• Identify ways brave actions, kindness, and community support help others during times of need
• Explain why remembering helpers is important for unity and resilience
• Use details from a passage to answer questions about service and community values

Learning Objectives

• Explain how Earth’s daily rotation causes day and night.
• Describe how the Sun’s position in the sky changes across the year.
• Connect seasonal changes to differences in day length at a location.+ Show more

Learning Objectives

• Compare rocks and soil using appearance and physical properties
• Describe how particle size and organic matter affect soil
• Explain how rocks break and how soil forms over time+ Show more

Learning Objectives

• Identify properties of rocks and soil that make them useful in different places
• Explain why a material is chosen for a specific human or environmental use
• Compare how rocks and soil behave in simple situations

Learning Objectives

• Identify common simple machines and describe what each one changes about force or direction of motion
• Compare effort and force needs for different simple machines such as levers, pulleys, and inclined planes
• Use information about a machine to predict how it helps people do work

Learning Objectives

• Identify examples of melting, freezing, evaporation, and condensation in everyday situations
• Describe how heating and cooling connect to changes between solid, liquid, and gas states of water
• Explain that the same material can appear in different states based on temperature+ Show more

Learning Objectives

• Describe how an organism’s growth can change its survival needs.
• Explain how young animals and adult animals may require different resources.
• Identify examples of changing behaviors as organisms develop.

Learning Objectives

• Describe how a habitat provides shelter, food, and water to living things
• Identify habitat features in forests, ponds, and fields that help organisms survive
• Explain how overlapping needs in the same habitat can lead to interactions between organisms+ Show more

Learning Objectives

• Identify the main stages of metamorphosis: egg, larva, pupa, and adult.
• Explain how body form changes during metamorphosis to fit different needs.
• Describe how adult animals may require different resources than larvae.+ Show more

Learning Objectives

• Identify common life cycle stages for plants and animals
• Explain how needs can change as an organism grows from one stage to the next
• Describe how life cycles help populations continue from one generation to the next+ Show more

Learning Objectives

• Identify the basic resources plants need to live and grow.
• Identify the basic resources animals need for energy, respiration, and protection.
• Match plant and animal structures to the needs they help meet.

Learning Objectives

• Explain how predators depend on prey for food in an ecosystem.
• Describe how changes in prey numbers can affect predator survival.
• Identify how habitat and plant life support prey and shelter animals.+ Show more

Learning Objectives

• Sequence the main stages in a plant life cycle from seed to adult plant.
• Explain how water and air help early germination and root growth.
• Describe how light supports energy-making and leaf growth as the plant develops.+ Show more

Learning Objectives

• Describe how plants and animals are connected in a simple ecosystem
• Explain how habitat conditions affect which organisms can survive
• Identify predator-prey relationships and how they depend on shared habitats+ Show more

Learning Objectives

• Use a two-step classification rule to group organisms based on observable traits.
• Identify which trait to check next when classifying an unknown organism.
• Explain how classification rules create clear categories for comparing organisms.

Learning Objectives

• Explain that sound is made by vibrating objects
• Describe how a vibrating object transfers energy to a medium that carries sound
• Identify examples of sound sources such as stretched strings and struck surfaces+ Show more

Learning Objectives

• Explain how light appears to travel in straight lines in everyday situations
• Describe how blocks and openings change where light can reach
• Use simple evidence to predict which areas will be brighter or darker

Learning Objectives

• Explain how thermal energy changes matter’s state (solid, liquid, gas)
• Identify melting, freezing, evaporation, and condensation as state changes
• Describe how a sample’s shape and volume can change when it changes state+ Show more

Learning Objectives

• Sort everyday materials using more than one property at a time.
• Use evidence from mass, volume, texture, and shape-keeping to compare materials.
• Explain how two different properties together can show how materials are distinct.

Learning Objectives

• Explain why shadows form when objects block light.
• Identify how opaque and transparent materials affect what you can see.
• Use evidence from a diagram to describe where light goes and where shadows form.

Learning Objectives

• Explain how light interacts with objects by reflecting and being absorbed
• Compare how shiny and dark surfaces look differently in terms of brightness
• Identify evidence of reflection and absorption from observations

Learning Objectives

• Explain how faster and slower vibrations affect perceived pitch
• Describe how stronger vibration motions relate to loudness
• Match vocabulary terms to definitions about sound and vibrations+ Show more

Learning Objectives

• Identify observable properties of materials, such as color, texture, size, shape, and how they respond to light or touch
• Compare two material samples by describing similarities and differences in their properties
• Use evidence from observations to explain what a material is like

Learning Objectives

• Explain how a stronger force can create larger vibrations and louder sound
• Describe how sound depends on vibrations traveling through a medium
• Identify examples of force changing how an object vibrates+ Show more

Learning Objectives

• Define prototype and explain why testing is used
• Identify evidence from prototype tests (strength, fit, stability, function)
• Compare test results with the intended goal and describe how designs improve+ Show more

Learning Objectives

• Explain how engineers help structures support forces without collapsing
• Identify features that increase stability, such as triangles and wider bases
• Describe how testing results guide design improvements for stronger structures+ Show more

Learning Objectives

• Identify the key steps in the engineering design process: ask, define, propose, and consider constraints
• Explain how asking questions and defining a problem guide solution ideas
• Describe how proposed solutions connect to available materials and real-world constraints

Learning Objectives

• Explain how test results provide evidence to improve a design.
• Identify ways a design can be changed (shape, support, or materials) and what is being measured.
• Describe how matching outcomes to a goal helps refine a solution.

Learning Objectives

• Explain why a science question must be testable and connected to evidence.
• Identify observations and measurements that can provide evidence for a question.
• Choose evidence-based results that match a testable plan.+ Show more

Learning Objectives

• Explain how a model represents ideas that are not directly visible or are too large or small to observe.
• Use models to identify cause-and-effect relationships suggested by evidence.
• Compare what a model shows with what real observations show to decide if the model helps explain them.

Learning Objectives

• Identify patterns shown in tables and graphs
• Use data to support a claim with evidence
• Explain how organizing data helps comparisons+ Show more

Learning Objectives

• Explain that models make predictions and evidence can support or challenge them.
• Use observed patterns to decide whether evidence fits a model’s main idea.
• Revise a model-based explanation when new evidence does not match.

Learning Objectives

• Explain the difference between an opinion and an evidence-supported claim
• Use evidence to support a reasoning statement that answers a question
• Identify how comparisons and repeated observations strengthen explanations+ Show more

Learning Objectives

• Identify different data representations such as tally tables and bar graphs.
• Interpret labels, counts, and scales in simple graphs.
• Choose an appropriate representation to show patterns in data.+ Show more

Learning Objectives

• Explain how weathering slowly breaks down rocks and changes soil over time
• Identify patterns of weathering caused by wind, water, temperature changes, and sunlight
• Compare weathering and weather by describing what each term means

Learning Objectives

• Describe how evaporation, condensation, freezing, and melting are part of the water cycle.
• Explain how temperature changes cause water to change between liquid, vapor, and solid.
• Identify the role of clouds and precipitation in returning water to Earth.+ Show more

Learning Objectives

• Identify trusted sources for health information by checking who wrote it and where it came from.
• Use evidence and recency to judge whether a health claim is likely to be reliable.
• Compare two health messages and explain which one is more trustworthy and why.