Science Flashcards for exams
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| The three stages of a seed plants life cycle are_______________. | Seed, Seedling, and Adult
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| The meaning of biotic. | living
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| The meaning of a-biotic. | non-living
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| What is photosynthesis? | The process of a plant making it's own food
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| What are the four categories of biotic things? | Consumers, producers, decomposers, and scavengers
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| Plants provide what two things? | Oxygen and food
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| Pollination is: | The joining of pollen and ovary
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| Each _____________ performs a specific function. | Structure
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| ____________ helps plants get what they need from the environment. | Adaptation
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| The five ways plants reproduce without using seeds: | Runners, suckers, rhizomes, cuttings, and graftings
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| Seed plants have what five things? | Roots, stems, leaves, and either flowers or cones
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| Life processes in plants include these three things: | Photosynthesis, transpiration, and gas exchange (cellular respiration)
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| Plants are used for what four things? | Food, fibre, medicine, and other products
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| What is igneous rock? | Rock formed when magma solidifies, can be intrusive or extrusive
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| What are sedimentary rocks? | Rocks formed by the compacting of sediments
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| What are metamorphic rocks? | Rocks (either igneous or sedimentary) formed when heat and pressure turns them into another type of rock
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| What is weathering? | The breakdown of rocks.
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| What is amber? | Fossilized tree sap
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| The three different types of soil are: | Clay, sand, and loam
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| What is function? | The use of a structure
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| What are the three types of structure? | Shell, frame, and solid
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| Ecosystems contain both ____________ and _____________ parts. | Biotic and a-biotic
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| These change because of bioinvasion, human activity, resource competition, weather, and predators. | Ecosystems
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| These provide all needs for living things. | Ecosystems
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| Water, energy, food, exchange of gases, space, and waste disposal are examples of this. | Basic needs
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| A symbiotic relationship where one species benefits and the other is harmed. | Parisitism
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| These allow energy from the sun to flow. | Food webs
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| This cycle includes condensation, evaporation, transpiration, and precipitation. | Water cycle
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| This cycle includes photosynthesis, cellular respiration, and consumers. | Carbon cycle
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| This group of chemicals is deadly as they enter and move through ecosystems. | Pesticides
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| This is where a-biotic and biotic factors interact. | Ecosystems
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| Commensalism, mutualism, and parasitism are examples of this. | Symbiotic relationships
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| A symbiotic relationship where one species benefits and the other is not affected. | Commensalism
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| A symbiotic relationship where both species benefit. | Mutualism
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| What is the process in which large particles cross the cell membrane? | Active transport
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| What do you call the appearance of a structure? | Aesthetics
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| What do you call the number of different species in an environment? | Biodiversity
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| What is a structure only supported at one end? | Cantilever
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| What do you call many populations of different species living in the same place? | Community
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| What do call the process of eroded minerals being settled by wind, water or ice. | Deposition
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| What do you call layers of sediment? | Strata
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| What temperature is the freezing point? | 0 degrees celsius
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| What temperature is boiling point? | 100 degrees celsius
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| What is the imaginary point where the force of gravity acts called? | The center of gravity
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| What is the green part of a chloroplast that catches the suns energy? | Chlorophyll
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| What is the structure in a plant cell that make photosynthesis happen? | Chloroplasts
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| What do you call the introduction of a non-native species into a community? | Biodiversity
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| What is used in current school thermometers? | Coloured alchohol
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| What used to be used in school thermometers? | Mercury
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| What do you call a nutrient mix made of chemicals? | Chemical fertilizer
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| What do you call the movement of liquid up a narrow tube? | Capillary action
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| What is another word for the earth's surface? | Earth's crust
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| What is the process in which particles move from an area of high concentration to an area of low concentration? | Diffusion
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| What is the process that moves particles (sediments, soil, etc.) from one place to another? | Erosion
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| What do you call underwater mountain ranges | Ridges
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| What do you call the force that occurs when one object rubs against another object? | Friction
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| What do you call large cracks in rocks or in the earth's crust? | Faults
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| What is the term for partly decomposed materials from plants or animals? | Humus
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| What is the technology used for growing plants without soil called? | Hydroponics
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| What do call fossils used to identify a particular era? | Index fossils
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| What is the process of watering crops? | Irrigation
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| What do you call molten rock inside a volcano? | Magma
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| What do you call molten rock outside a volcano? | Lava
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| What are the stages any organism goes through from one generation to the next called? | Life cycle
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| What do you call a plant that grows naturally in an environment? | Native plant
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| What is 1 Newton equal to in grams? | 100 grams
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| What do you call a mixture of nutrients prepared from natural resources? | Organic fertilizer
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| What do you call particles in soil that were once living? | Organic particles
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| What do you call the movement of water across the cell membrane? | Osmosis
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| What is another word for a biotic thing? | Organism
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| What do you call the practice of growing only one type of crop in a large area? | Monoculture
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| What do you call scientists that study fossils and other elements of life from long ago? | Paleontologists
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| What are tiny openings in the cell membranes of plant cells called? | Pores
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| What do you call the conditions a structure must meet? | Performance requirements
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| What do you call the formation of a new community in which was once a barren habitat? | Primary succession
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| What do you call features that a material or object has? | Properties
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| What do you call formation of a new community in a destroyed or greatly changed community? | Secondary succession
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| What is the name of the device that detects shock waves caused by earthquakes? | Seismograph
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| What do you call the force that acts to push that are in contact with each other in opposite directions | Shear
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| What do you call the colour of the powder left behind by rubbing a mineral on the back of a tile? | Streak
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| What do you call the way a mineral breaks in sheets? | Cleavage
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| What do you call the way a mineral breaks unevenly? | Fracture
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