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