3rd Grade Science VocabularyWords at a Glance

3rd Grade Scientific Inquiry

Descriptors: acid, base, magnetic, meteorologist, observe, position, resource, temperature, malleable, density, attraction, element, mass, nonrenewable, physical property, renewable, scientist, volume, chemical property, describe

Processes: conditions, variable, model, identify, dependent variable, experiment, infer, investigation, balance, theory, communicate, constant, draw conclusions, heating, hypothesize, interact, law, observation, repetition, trial, compare, control, evidence, hypothesis, independent variable, inference, measure, predict, scientific method, using models

Tools: balance, Celsius, Fahrenheit, gram, microscope, meter, metric system, milliliter, volume, magnet, beaker, centimeter, graduated cylinder, hand lens, kilogram, liter, meterstick, thermometer, weigh, scale

3rd Grade Matter

The Changes in Matter: boil, change of state, chemical change, condensation, cooling, evaporation, heating, melt, phase changes, physical change

The Properties of Matter: air, atom, conservation of matter, liquid, mass, mixture, phases of matter, solid, volume, water vapor, chemical property, states of matter, weigh, molecules, matter, particles, physical property, element, gas, magnetic

3rd Grade Energy

Electricity: conduction, energy, heat, insulator, kinetic energy, light energy, potential energy, radiation, temperature, transfer, conductor, convection, electricity, energy transfer, heat transfer, light, radiant energy, reflection, sound wave, thermal energy

3rd Grade Motion

Force: attraction, balanced force, friction, inertia, Newton, position, push, transfer, vibrations, mass, balance, force, gravity, magnetism, motion, pull, speed, unbalanced force, direction, acceleration

Simple Machines: fulcrum, inclined plane, lever, load, pulley, screw, simple machine, wedge, wheel and axle, work

3rd Grade Space Science

The Universe: constellation, gas giant, gravitational pull, gravity, Milky Way Galaxy, model, orbit, space, solar system, universe, galaxy

3rd Grade Earth Science

History of the Earth: cool, cooling, fossil, geological, ocean, salt water, paleontologist, volcanic eruption, magma, plates

Resources: fresh water, fossil fuel, natural resource, interact, nonrenewable, renewable resource, resource, thermal energy, wind energy

Structures: axis, erosion, glacier, ice wedging, mechanical weathering, metamorphic, sedimentary rock, stream, wind, igneous (rock?), chemical weathering, fresh water, gravity, igneous rock, melt, ocean, soil, thermal energy, salt water, volcano

The Atmosphere: atmosphere, stratosphere, air, air mass, air pressure, carbon dioxide, oxygen, ozone, troposphere

The Water Cycle: water table, clouds, atmosphere, condensation, evaporation, glacier, groundwater, ocean, water cycle, water vapor

The Weather: biome, habitat, savannah, tundra, arctic, taiga, biosphere, desert, rain forest, nimbus, warm front, climate, cold front, force freeze, hail, melt, precipitation, thunderstorm, weather conditions, sleet, forecast, heat, hurricane, lightning, meteorologist, tornado, weather, weather vane

3rd Grade Life Science

Animals: amphibian, arthropod, invertebrate, mammal, reptile, insect, fish, bird, vertebrate

Biomes: adaptation, canopy, climate, community, forest floor, fresh water, interact, lake, plant, polar, population, biome, habitat, savannah, tundra, arctic, taiga, biosphere, desert, rain forest

Ecosystem Parts: environment, canopy, climate, community, water cycle, population, species, organism, ocean, river

Ecosystem Types: biome, coastal forest, coniferous forest, deciduous forest, desert, ecosystem, estuary, forest. ocean, troposphere

Energy Resources: conservation, light, oxygen, photosynthesis, radiant energy, resource, water, environment, sun, nutrient, energy transfer, light energy, natural resource, nonrenewable, pollution, renewable resource, thermal energy, water vapor

Living Things: mammal, plant, cell, classify, growth, inherit, offspring, organism, reproduction, tissue

Plants: bulb, chlorophyll, cone, germinate, plant, root, seed, seed coat, seedling, stem

The Environment: air, carbon dioxide, diversity, evolution, forest, fresh water, habitat, ocean, soil, water

The Food Chain: consumer, organisms, energy pyramid, interact, food web, predator, prey, carnivore, herbivore, omnivore, producer, transfer, decomposer, compete, food chain