Forces and Motion
Balanced and unbalanced forces, motion patterns, electric and magnetic interactions, and magnet design problems for Grade 3 learners.
Science courses
Science subjects
Choose a course to review lessons, standards, and quiz topics.
Animals and Ecosystems
Animal groups, fossils, habitats, survival, and environmental change.
Life Cycles and Traits
Life cycles, inherited traits, environmental influence on traits, and advantages of variation.
Weather and Climate
Weather data, regional climates, weather hazards, and water cycle connections.
Energy and Motion
Motion energy, energy transfer, collisions, energy conversion devices, fuels, and natural resources.
Waves and Messages
Wave patterns, amplitude, wavelength, and information transfer using patterns.
Animal Senses and Information
Light and vision, plant and animal structures, senses, brain processing, and responses.
Earth Changes
Rock layers, fossils, weathering, erosion, maps, and reducing impacts of natural Earth processes.
Matter and Materials
Matter particles, conservation of matter, material properties, and mixing substances.
Food, Matter, and Energy
Sun energy in food, plant growth materials, producers, consumers, decomposers, and matter movement.
Earth's Water and Systems
Geosphere, biosphere, hydrosphere, atmosphere, water distribution, and protecting Earth's resources.
Stars and the Solar System
Gravity, Sun and stars, shadow patterns, day and night, and seasonal star patterns.
Engineering Challenges
Define design problems, compare solutions, test prototypes, and improve models.
Matter and Materials
Atoms, molecules, properties of substances, synthetic materials, and particle motion.
Chemical Changes
Chemical reactions, conservation of mass, energy changes, and designing solutions with reactions.
Forces and Motion
Newton's laws, force diagrams, gravitational, electric, and magnetic interactions.
Energy Systems
Kinetic energy, potential energy, thermal energy, energy transfer, and design.
Waves and Light
Wave properties, sound and light interactions, electromagnetic radiation, and information technologies.
Body Systems and Senses
Cells, body systems, sense receptors, brain processing, and organism responses.
Ecosystems and Energy Flow
Photosynthesis, cellular respiration, food molecules, energy flow, and matter cycling.
Ecosystem Connections
Populations, resources, interactions, biodiversity, and ecosystem changes.
Growth and Reproduction
Growth, reproduction, genes, chromosomes, inheritance, and environmental influences.
Adaptations and Survival
Fossil evidence, variation, natural selection, adaptation, and changes in populations over time.
Space Systems
Earth-Sun-Moon patterns, gravity, solar system scale, and seasons.
Earth's Story
Geologic time, rock strata, fossils, plate motions, and Earth's history.
Earth Systems
Earth materials, rock cycle, water cycle, weather systems, and natural resources.
Weather and Climate
Weather patterns, climate factors, air masses, ocean currents, and climate change evidence.
People and the Planet
Natural hazards, resource use, environmental impacts, population growth, and solutions.
Engineering Design Challenges
Define problems, evaluate solutions, analyze test data, and optimize designs.