Grade 3 Science Worksheets

Learning Objectives

• Explain that combining materials can create a new substance with new properties.
• Identify evidence of new substance formation such as color change, new smell, temperature change, or new behavior.
• Compare initial and final materials to decide whether a chemical change likely occurred.

Learning Objectives

• Observe repeated motions and identify regular patterns in speed and direction.
• Use distance and time information to compare and predict future motion.
• Describe how ramps and surface friction can change motion over time.

Learning Objectives

• Observe and identify patterns in different types of motion.
• Use simple measurements to predict future movement of objects.
• Recognize common motion trends such as constant speed, acceleration, and deceleration.+ Show more

Learning Objectives

• Identify patterns in motion by comparing distance and time for an object
• Describe how friction can cause objects to slow down and how slopes can change speed
• Use simple measurements to make predictions about future motion

Learning Objectives

• Explain how a fair test controls variables to compare prototype designs.
• Identify common failure points and describe what happened during a test.
• Propose targeted design changes based on recorded evidence.+ Show more

Learning Objectives

• Identify a repeating motion pattern using time comparisons.
• Use distance and time ideas to describe how rolling motion changes.
• Predict what might happen next in a rolling motion pattern.

Learning Objectives

• Understand how to plan and conduct fair tests for prototypes.
• Identify variables, failure points, and design modifications in testing.
• Record and analyze outcomes to improve project performance.+ Show more

Learning Objectives

• Explain how climate summaries use long-term averages and ranges instead of daily observations.
• Interpret temperature and precipitation information presented in tables and graphs.
• Describe a region’s usual climate using evidence from a data representation.

Learning Objectives

• Identify the controlled variables in a fair test.
• Explain why keeping conditions the same helps results make sense.
• Connect test results to design improvements.

Learning Objectives

• Explain how fair tests control variables to learn whether a prototype change improves results.
• Identify possible failure modes in a prototype and describe how test outcomes guide design modifications.
• Use recorded observations to compare test results from the original model and an improved version.

Learning Objectives

• Identify key properties of solids, liquids, and gases (shape, volume, and how they move).
• Use evidence from observations to describe how matter changes behavior in different states.
• Explain how gases spread out, liquids keep volume but change shape, and solids keep both shape and volume.

Learning Objectives

• Observe and describe patterns in an object's motion using distance and time.
• Identify regularities such as constant speed, speeding up on steeper slopes, and slowing down due to friction.
• Use data to predict what motion will look like next.

Learning Objectives

• Define behavioral adaptations and explain how they help organisms survive.
• Identify examples of behavioral adaptations triggered by temperature, light, or food availability.
• Compare how different organisms use behaviors such as migrating, hibernating, burrowing, and nesting to meet survival needs.+ Show more

Learning Objectives

• Explain how heating and cooling can change a material’s state (solid, liquid, gas).
• Describe observable properties that change during melting, freezing, evaporating, and condensing.
• Use evidence from state changes to argue that the material can remain the same even when its state changes.+ Show more

Learning Objectives

• Explain how changing sunlight across the year leads to predictable seasonal patterns in temperature and precipitation.
• Describe how atmospheric processes connect longer-term seasonal trends to typical weather outcomes.
• Distinguish predictable seasonal patterns from short-term weather events that can vary.

Learning Objectives

• Explain how Earth’s tilt and orbit change the height of the Sun and the length of daylight.
• Describe how changes in sunlight can lead to broad seasonal temperature patterns.
• Differentiate predictable seasonal changes from day-to-day weather variations.

Learning Objectives

• Explain what physical adaptations are and how they help organisms survive and reproduce.
• Identify examples of physical adaptations in animals and plants and match them to the habitat or need they support.
• Describe how different environments can lead to different body features.

Learning Objectives

• Explain how group behaviors can reduce the risk of harm to individual animals during predator attacks
• Identify examples of collective defense such as schooling, flocking, watchful attention, and protective clustering
• Use evidence from a passage to determine the main idea and to answer questions about survival strategies

Learning Objectives

• Explain that animal life cycles follow predictable stages from birth (or hatching) to adulthood
• Describe how animals change form and needs as they grow
• Connect life-cycle stages to how animals survive and reproduce+ Show more

Learning Objectives

• Explain how adaptations help organisms survive by matching their needs to habitat conditions.
• Describe examples of adaptations in deserts and in forests/grasslands.
• Use evidence from a habitat scenario to predict how an organism might survive when conditions change.

Learning Objectives

• Identify evidence that suggests a chemical change may occur when materials are mixed
• Compare the properties of a new product to the expected properties of the starting materials
• Use observations like color, texture, and heat to explain how mixing can create new substances+ Show more

Learning Objectives

• Represent daily weather observations using line and bar graphs and simple tables.
• Describe how temperature and precipitation patterns can change across weeks and seasons.
• Interpret how sunlight angle and Earth's tilt relate to seasonal temperature changes.

Learning Objectives

• Represent local weather observations (temperature, precipitation, and cloud cover) using simple graphs and tables
• Identify daily and seasonal patterns in weather data across weeks and months
• Interpret graphical information to describe changes in weather variability and precipitation trends+ Show more

Learning Objectives

• Understand how daily and seasonal weather patterns can be represented using graphs and tables.
• Interpret graphical data to identify patterns in temperature, precipitation, and cloud cover.
• Relate observed weather trends to phenomena such as Earth's tilt and sunlight angle.+ Show more

Learning Objectives

• Identify the main idea and key details from a short weather-data description.
• Use notes and simple data to describe daily weather changes.
• Explain how clouds and temperature can vary from day to day.

Learning Objectives

• Explain how weather can change from day to day even within the same season.
• Describe how precipitation and temperature may arrive earlier or later than expected.
• Differentiate between weather (day-to-day conditions) and climate (typical patterns over time).+ Show more

Learning Objectives

• Identify how weathering, erosion, and deposition change landforms over time.
• Explain how water, wind, and ice can move soil and sediment to create features like valleys, stream channels, deltas, and hills.
• Use maps, photos, and simple models to connect observable landform changes to surface processes.

Learning Objectives

• Explain how weathering can break rocks into smaller pieces.
• Identify cause-and-effect relationships in a science text.
• Describe how small rock pieces can be moved later by water, wind, or ice.

Learning Objectives

• Describe how weathering, erosion, and deposition change landforms over time
• Identify landform features such as stream channels, valleys, deltas, and hills and connect them to surface processes
• Explain how moving water, wind, and ice can transport soil and sediment+ Show more

Learning Objectives

• Identify how an object's direction can stay the same or change over time.
• Use observations from regular time moments to describe a direction or position pattern.
• Predict a likely next position when direction changes follow a repeating pattern.

Learning Objectives

• Explain how different beaks, teeth, and mouthparts help animals get specific types of food.
• Describe how feeding structures support survival and growth in an animal’s habitat.
• Identify examples of how diet differences lead to different body structures for feeding.

Learning Objectives

• Explain that living things grow through predictable life cycle stages.
• Identify common stages such as egg, juvenile, and adult in familiar organisms.
• Describe how life cycle patterns connect one generation to the next.

Learning Objectives

• Describe how friction affects the motion of objects
• Explain how surface roughness and material change the strength of friction
• Identify everyday examples where friction helps or slows movement

Learning Objectives

• Describe the structure and function of stem tissues involved in water and nutrient transport.
• Explain how xylem and phloem work to support plant growth and resource distribution.
• Compare herbaceous and woody stems in terms of structure and growth features.+ Show more

Learning Objectives

• Identify and describe the structure of roots, stems, leaves, and flowers in plants.
• Explain the functions of plant organs in growth, resource absorption, and reproduction.
• Relate plant organ characteristics to their roles in plant survival and reproduction.+ Show more

Learning Objectives

• Describe different methods of seed dispersal and their ecological importance.
• Explain how seed morphology and dispersal timing influence plant success.
• Identify how dispersal patterns affect plant populations and habitats.+ Show more

Learning Objectives

• Understand how soil, light, water, temperature, and nutrients affect plant growth.
• Identify human practices that modify landscape and influence plant development.
• Describe how environmental variables impact germination, growth rates, and survival.+ Show more

Learning Objectives

• Identify the main parts of a flower and their functions.
• Explain how flowers reproduce and produce seeds.
• Describe different pollination methods and traits that attract pollinators.+ Show more

Learning Objectives

• Describe the major stages of seed germination, including imbibition, radicle emergence, hypocotyl and epicotyl growth, cotyledon function, and true leaf development.
• Explain the role of seed reserves during early growth.
• Compare germination processes in different plants such as beans, corn, and dandelions.+ Show more

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

• Understand how forces travel through structural systems from points of application to supports.
• Identify how trusses, beams, and columns distribute forces such as axial loads, bending moments, and shear.
• Explain the importance of clear load paths for maintaining stability under different conditions.+ Show more

Learning Objectives

• Understand the concepts of balanced and unbalanced forces on objects.
• Predict whether an object will stay at rest or change motion based on forces applied.
• Learn how net influence determines motion or stillness.+ Show more

Learning Objectives

• Describe the anatomy of plant stems and their role in supporting growth and resource distribution.
• Explain how water moves through xylem via transpiration pull and how sugars are transported in phloem.
• Differentiate between herbaceous and woody stems and understand vessel arrangement and secondary growth.+ 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 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

• 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

• 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

• Understand how vibration speed affects the pitch of sound.
• Identify the relationship between vibration strength and loudness.
• Explain how vibrations relate to perceived sound characteristics.+ Show more