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Science Curriculum Guide LIFE SCIENCE — 3rd Grade Compare and classify plants on the basis of observable physical characteristics. Describe life cycle of plants. Objectives Compare and contrast food, energy, and environmental needs of selected organisms. Describe functions of selected seed plant parts. Topic Vocabulary and Related Vocabulary WORDS DESCRIBING PLANT PARTS—roots, leaves, stems, flowers LIFE CYCLE STAGES—seed, flower, fruit LIFE REQUIREMENTS—food, air, water, minerals, sunlight, photosynthesis, space, habitat Flowering and non-flowering plants: pine tree, oak tree, rose, algae Real World Contexts Common plants such as beans and apples Germinating seeds such as beans and corn Common edible plant parts such as bean, cauliflower, carrot, apple, tomato, spinach Science Curriculum Guide Earth and Space Science — 3rd grade Describe how water exists on earth in three states. Objectives Trace the path that rain water follows after it falls. Identify sources of drinking water. Describe uses of water. Describe various forms that water takes on the earth’s surface and conditions under which they exist. Describe how rainwater in Michigan reaches the oceans. Describe the origins of pollution in the hydrosphere. LIQUID—visible, flowing, melting, dew, steam SOLID—hard, freezing, ice, visible GAS—invisible, evaporation, water vapor PRECIPITATION—rain clouds, fog, run-off FLOW—downhill, to ocean, underground BODIES OF WATER—streams, river, lakes, oceans Topic Vocabulary and Related Vocabulary WATER SOURCES—wells, springs, Great Lakes, rivers DOMESTIC USES—drinking, cleaning, food preparation PUBLIC USE—generate electricity, recreation, irrigation, transportation LIQUID WATER FORMS—lakes, rivers, oceans, springs FROZEN WATER FORMS—continental glacier, valley glacier, snow on mountains, polar cap GASEOUS WATER IN ATMOSPHERE—climate changes, ice ages WATER PATH—run-off, creeks, streams, river, wetlands, Great Lakes MOTION OF WATER—current, waves, tides OCEAN COMPOSITION—saltiness, temperature, thermal layering SOURCES OF POLLUTION—sewage, household dumping, industrial wastes, limit to natural resources Examples of water in each state, including dew, rain, snow, ice, steam Examples of melting, freezing, and evaporating Examples of water flowing locally, including gutters, drains, streams, wetlands Examples of local sources of drinking water, including wells, rivers, lakes Real World Contexts Examples of local occasions when water is used, including car wash, swimming pools, fire hydrants, drinking water, preparation, cleaning Local lakes, rivers, streams, ponds, springs Examples of frozen water, including snow glaciers, icebergs, polar regions, frozen Great lakes shorelines Maps showing streams, lakes, rivers, oceans Examples of motions of rivers and lakes Investigations of rivers and lake temperatures Examples of polluted water Examples of occasions when water supply is restricted such as during droughts Science Curriculum Guide Physical Science —3rd Grade Describe or compare motion of common objects in terms of speed and direction. Objectives Topic Vocabulary and Related Vocabulary Real World Contexts Describe how forces (pushes or pulls) speed up, slow down, stop, or change the directions of a moving object. Use simple machines to make work easier. DIRECTION WORDS—north, south, east, west, right, left SPEED WORDS—fast, slow, faster, slower CHANGE IN MOTION—speeding up, slowing down, turning COMMON FORCES—push, pull, friction, gravity OTHER—inclined planes, levers, pulleys, gears, wheels and axles, screws, wedges Motions of familiar objects in two dimensions, including rolling or thrown balls, wheeled vehicles, sliding objects Playing ball, moving chairs, sliding objects Block and tackles, ramps, screwdrivers, can openers Science Curriculum Guide Michigan Model — 3rd Grade Healthy Friendships A Perfect Balance Inside & Out Phases Moving Out of Balance Keeping in Balance Staying in Balance Science Curriculum Guide Biomes — 3rd grade Desert Describe the climate of the biome. Recognize and describe different types of vegetation. Objectives Identify familiar organisms as part of a food chain or food web and describe their feeding relationships within the web. Locate and describe unique features of the biome. Name the natural resources and their products. Describe natural changes within the biome. Describe responses of a biome to events that cause it to change. Recognize and describe different types of animals. Topic Vocabulary and Related Vocabulary Real World Contexts Explain how physical and/or behavioral characteristics of organisms help them to survive in their environment. CLIMATE—arid, low rainfall, low humidity, evaporation, hot, dry, drought, moisture VEGETATION—Saguaro Cactus, Prickley Pear, Barrel Cactus, Yucca, Sagebrush, spikes, roots, succulents, stems, leaves, underground tubers, photosynthesis, seeds, oasis FOOD CHAIN--producer, consumer, predator, prey, decomposer, food chain, food web, carnivore, herbivore, omnivore, habitat FEATURES—Sahara, North American Desert, Australian Desert, Gobi, hemisphere, equator, continent, latitude, longitude, salt basins, mountains, hills, rock formations, canyons, desert soil, sand dune NATURAL RESOURCES—milk, butter, cheese, wool, leather, meat, gold, silver, diamonds, oil, natural gas NATURAL CHANGES---invasion of habitat, erosion, irrigation HUMAN EFFECTS---rainfall, wind, variation of temperature ANIMALS— Wings, sharp teeth, claws, beaks, ephemeral PHYSICAL/BEHAVIORAL CHARACTERISTICS —migration, instinct, camouflage, communication, estivation, dormant, forage Less than 10” of rain per year, run-off, precipitation Comparisons of plants with regard to coping with their environment Food chains and food webs involving organisms, such as hawk, lizard, beetle; fox, mouse, seeds Use of globes and maps to pinpoint desert locations How natural resources are used in everyday items Vast difference between day and night temperatures Mechanisms used to preserve water hawk, peccary, road runner, shrike, lizard, mouse, kangaroo rat, coyote, tortoise, ground squirrel Migration, communication of danger, adaptation to changes in the environment
