Grade 3 Worksheets

Learning Objectives

• Identify common types of loads on structures, including dead loads, live loads, and different ways forces can act (point and distributed).
• Describe how internal forces such as compression, tension, bending, and shear relate to everyday parts like beams, columns, and arches.
• Explain how different loads can change a structure’s stability and influence design choices such as supports.

Learning Objectives

• Explain how predators and prey depend on each other within an ecosystem.
• Identify how changes in prey numbers can affect predator survival.
• Describe how prey need habitat and plant life for food and shelter.

Learning Objectives

• Identify short-term and long-term health consequences of common choices.
• Use “if…then” reasoning to predict outcomes before acting.
• Explain how good choices can protect health and safety over time.

Learning Objectives

• Describe the typical layers (horizons) of soil and what they are like.
• Explain how processes like accumulation, leaching, and transformation help shape soil horizons over time.
• Use evidence such as color, texture, and root presence to identify soil horizons.

Learning Objectives

• Identify the main plant parts (roots, stems, leaves, and flowers) in a vascular plant.
• Describe how each plant part helps the plant survive, grow, and reproduce.
• Connect specific examples (taproots, woody stems, broad leaves, composite flowers) to the functions of plant organs.

Learning Objectives

• Explain how refining a design target clarifies the goal and limits acceptable solutions.
• Identify constraints and desired results in a simple science/design problem.
• Use refined targets to choose design ideas that can be compared fairly.

Learning Objectives

• Explain that friction is a resistive force between surfaces that slows or stops moving objects.
• Describe how surface texture and materials can change how easily something slides or rolls.
• Compare sliding and rolling as ways motion can be opposed by friction.+ Show more

Learning Objectives

• Identify ways people from Hispanic backgrounds contribute to their communities
• Explain how working together and giving back can improve society
• Use reading details to answer questions about community helpers and values

Learning Objectives

• Identify how data can be organized using tally tables, labeled drawings, and simple bar graphs.
• Use accurate labels and appropriate scales so a representation clearly shows comparisons.
• Explain why organizing observations helps people find patterns in data.

Learning Objectives

• Explain how different cultures celebrate with traditions like music, clothes, and foods.
• Describe how the United Nations promotes respect and unity among people and countries.
• Use vocabulary from a passage to complete sentences about cultural celebrations.

Learning Objectives

• Explain why safe tool use helps prevent injuries and protects materials.
• Identify safe workspace behaviors and correct tool handling practices.
• Use safety rules to choose appropriate actions when building or measuring.

Learning Objectives

• Explain key events and facts about the first Moon landing
• Identify vocabulary related to space exploration
• Describe why the Moon landing was important

Learning Objectives

• Explain how vibrating objects produce sound
• Describe how pitch and volume can change based on vibrations
• Identify examples of sound makers and the vibrations they create+ Show more

Learning Objectives

• Describe the stages of a plant life cycle from seed to adult plant.
• Explain how water, air, and light help plants grow during different stages.
• Identify why adult plants produce seeds to continue the life cycle.

Learning Objectives

• Describe how different cultures celebrate food and community
• Use vocabulary from a passage to complete sentences
• Determine whether statements about food traditions are true or false+ Show more

Learning Objectives

• Use observation skills to notice how outdoor activities work and why they are safe.
• Describe how physical activity supports health and teamwork during summer learning days.
• Connect outdoor play to protecting nature and caring for the environment.

Learning Objectives

• Explain the difference between weather and climate using long-term averages and ranges
• Describe how scientists use many years of data to find typical temperature and precipitation conditions
• Identify how variability and extremes can be included using ranges, not just one year’s results+ Show more

Learning Objectives

• Explain how family stories and traditions can connect generations.
• Use key vocabulary related to family history (like memories, traditions, and wisdom).
• Practice listening for details when someone shares a story.+ Show more

Learning Objectives

• Identify key details from a short passage about literacy and World Literacy Day
• Determine whether statements about literacy are true or false
• Use context to complete sentences with vocabulary related to reading and writing+ Show more

Learning Objectives

• Identify animals from different habitats and describe how they meet their needs.
• Use key vocabulary words such as predator, prey, and habitat in correct sentences.
• Explain how animals help balance ecosystems.

Learning Objectives

• Explain how foods travel from farms to our tables.
• Identify how harvest seasons help people get fresh foods.
• Describe ways healthy eating supports growing bodies.+ Show more

Learning Objectives

• Explain how root structures help plants take in water
• Identify evidence that links form (root features) to function (water uptake)
• Describe cause-and-effect relationships in plant survival

Learning Objectives

• Identify criteria in a problem.
• Compare solution ideas using evidence from simple models.
• Use measurements and observations to explain trade-offs.

Learning Objectives

• Identify the desired function of a design problem.
• Name measurable success measures for a design.
• Recognize constraints that can limit a solution.

Learning Objectives

• Explain that magnets can attract and repel without touching
• Distinguish magnetic forces from contact forces like pushing and friction
• Describe how distance and pole orientation can change a magnet’s interaction strength

Learning Objectives

• Explain how forces combine to create a net effect on an object’s motion
• Use directional arrows and qualitative magnitude words (stronger/weaker) to predict net direction
• Identify when forces add, reduce, or cancel each other

Learning Objectives

• Explain how rigid and pin connections differ in how they transfer loads.
• Describe how fasteners and adhesives affect joint stiffness and stability.
• Identify factors in joint design that influence stress concentration and joint failure.

Learning Objectives

• Explain how soil, light, water, temperature, and nutrients affect germination and plant growth
• Describe how soil compaction and salinity can reduce plant survival
• Use real-world examples to show how agricultural practices like crop rotation and irrigation change where plants can grow

Learning Objectives

• Explain how a sloped surface changes an object's tendency to move by comparing the gravity component along the slope to the force of friction.
• Compare how gentle and steep inclines affect how fast a sliding or rolling object tends to move downward.
• Use examples of sliding or rolling objects on slopes to predict motion on different incline angles.

Learning Objectives

• Compare fibrous and taproot root systems and explain how each helps a plant survive.
• Describe how root hairs and mycorrhizal associations improve water and nutrient uptake.
• Explain how storage and aerial roots support plant survival in different environments.+ Show more

Learning Objectives

• Explain how human activities can reduce soil quality and cause erosion, compaction, nutrient loss, and pollution.
• Describe how conservation actions like keeping ground cover and reducing disturbance help protect soil and water.
• Connect soil health to food production, water quality, and ecosystem resilience.

Learning Objectives

• Explain the difference between essential details and minor details in a text.
• Use evidence to support a main idea by sorting details by importance.
• Identify which details best prove a claim in both narrative and informational passages.

Learning Objectives

• Revise sentences by changing order so the most important ideas come earlier.
• Replace vague or unclear words with more exact words that match meaning.
• Clarify vague references by adding the topic or brief context.+ Show more

Learning Objectives

• Distinguish between facts and opinions in media and reading passages
• Identify key clue words that signal judgment or personal preference
• Sort statements as verifiable details (facts) or personal beliefs (opinions)+ Show more

Learning Objectives

• Identify what each part of a short draft (introduction, body, and closing) does for the reader
• Write sentences that match the intended purpose and audience
• Use transitions and avoid repeating the same point to improve coherence+ Show more

Learning Objectives

• Use end punctuation (., !, ?) to show where sentences begin and end.
• Use commas to support clarity, such as separating items in a list.
• Capitalize the beginning of sentences and proper nouns (people, places, and titles).

Learning Objectives

• Identify a main idea statement in a short text about an animal or problem-solving
• Select details (examples, reasons, and step-by-step actions) that serve as evidence for the main idea
• Explain how details create cause-and-effect relationships in a story+ Show more

Learning Objectives

• Explain how classification rules use visible traits to group organisms clearly.
• Use a step-by-step set of features to place organisms into the correct group.
• Evaluate whether a new organism fits a group by checking the same rule features.

Learning Objectives

• Explain how science models help us understand ideas that are too big, too small, or not directly visible.
• Use models to identify relationships and make cause-and-effect predictions.
• Select evidence that supports a model and describe how the model helps explain observations.

Learning Objectives

• Explain how Earth’s tilt causes changes in the amount of daylight across the year
• Describe how Earth’s rotation creates the daily cycle of day and night
• Use observations of day length to connect time of year with seasonal daylight

Learning Objectives

• Explain what a classification rule is and why it must be based on observable features.
• Use visible traits (such as body covering, leaf shape, number of legs, or seed coat) to group organisms.
• Compare two organisms by describing similarities and differences using shared observable features.

Learning Objectives

• Explain how scientists use measurements to compare properties of matter.
• Identify what mass, volume, temperature, and size measurements describe.
• Use appropriate units and measurement tools to support fair comparisons.

Learning Objectives

• Explain how energy and matter move through an ecosystem using producers, consumers, and decomposers.
• Identify relationships in simple food chains and describe how changes in one organism can affect others.
• Use evidence from a passage to determine main ideas and evaluate statements about food relationships.

Learning Objectives

• Explain how gases spread out to fill the space of their container.
• Describe how gas behavior changes when the container space changes.
• Identify key properties of gases, including having no fixed shape and taking up the container’s volume.+ Show more

Learning Objectives

• Identify everyday examples of water phase changes caused by heating and cooling
• Explain how melting, freezing, evaporation, and condensation describe changes between states of matter
• Connect temperature/heat energy to visible changes in water (solid, liquid, gas)

Learning Objectives

• Explain that light often travels in straight lines and describe light paths using arrows or lines.
• Identify how openings, edges, and shadows show the direction of light travel.
• Use vocabulary related to light paths (straight line, shadow, opening, blocked).

Learning Objectives

• Identify common external and internal structures of plants and animals
• Explain how structures help organisms survive, grow, and reproduce
• Use models or drawings to show how body parts are arranged and connected

Learning Objectives

• Explain what a habitat is and how it provides shelter, food, and water for living things.
• Describe how different habitats (forest, pond, field) meet the needs of organisms.
• Identify the role of physical surroundings and resources in helping organisms survive.+ Show more