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Science PASS
| Question | Answer |
|---|---|
| tightly coiled structures in the cell nucleus that contain the organism's genetic information | chromosomes |
| the organ through which solid waste is eliminated from the body | anus |
| a large movement of ground, including rock, soil, and other debris, that moves down a slope due to gravity | landslide |
| a representation of something that is used to show or explain how it functions | model |
| a condition (other than injury) that does not allow the body to function normally | disease |
| involuntary muscle tissue that controls movements that take place within the body | smooth muscle |
| an animal that a predator hunts | prey |
| an overflow of water onto land that is normally dry | flood |
| the tendency to reflect light | luster |
| a measure of the mass of a substance compared to its volume | density |
| the area beneath the soil's surface in which water can collect | zone of aeration |
| any factor that can affect the outcome of a scientific investigation | variable |
| the process by which scientists ask questions and then look for answers | scientific inquiry |
| a noninfectious disease that affects the respiratory system | asthma |
| a group of two or more organs that work together to perform a specific function | organ system |
| anything that limits the number of individuals an ecosystem can support | limiting factor |
| a disease in which skin cells are damaged and grow out of control | skin cancer |
| a long, muscular tube where most chemical digestion takes place | small intestine |
| a graph that uses bars to compare amounts of different items | bar graph |
| a change that alters the physical properties of a substance without changing the composition of the substance | physical change |
| a group of organisms that share most characteristics and are able to breed with one another | species |
| an energy resource that formed from the remains of organisms that died millions of years ago | fossil fuel |
| a solid substance that forms when two solutions are combined | precipitate |
| the number of births in a population in a certain period of time | birth rate |
| an observation reported using numbers or measurements | quantitative observation |
| a segment of DNA that determines a particular trait | gene |
| human immunodeficiency virus; the virus that causes AIDS | HIV |
| an organism's role in its environment | niche |
| the part of the brain that controls thoughts and voluntary actions and receives the sensations produced by your senses | cerebrum |
| to reprocess a resource to make a new product | recycle |
| the part of the brain that controls balance and coordination | cerebellum |
| the organ system that filters cellular wastes, toxins, and excess water from the body | excretory system |
| a substance that is broken apart or joined with another substance by a chemical reaction | reactant |
| a diagram that shows the decrease in available energy at each trophic level in an ecosystem | energy pyramid |
| the organ system that exchanges gases between the blood and the air | respiratory system |
| an infectious disease that attacks and weakens the immune system | AIDS |
| the movement of individuals out of an area | emigration |
| a noninfectious disease of the nervous system that causes tremors and difficulty with movement | Parkinson's disease |
| a particle that forms when two or more atoms are held together by a chemical bond | molecule |
| a portion of a group that is studied in order to learn about the whole group | sample |
| any nonliving part of an environment | abiotic factor |
| a visual display that organizes data into easy-to-see columns and rows | data table |
| thin-walled structures in which gases are exchanged between the lungs and the blood | alveoli |
| a solution with a pH less than 7 | acid |
| to conserve resources by using less | reduce |
| a tool used to predict the possible genes and traits of offspring, based on the genes of their parents | Punnett square |
| the organ system that receives stimuli from the environment, interprets the stimuli, and initiates a response | nervous system |
| a combination of two or more pure substances | mixture |
| tending to break or shatter easily | brittle |
| the connective tissue that the circulatory system uses to transport materials through the body | blood |
| tiny hair-like structures that paramecia use for movement | cilia |
| body tissue that connects all parts of the body and provides support | connective tissue |
| an area where water has filled all the available spaces in the soil and rock | zone of saturation |
| a tube that transports urine from a kidney to the bladder | ureter |
| a single-celled organism with a cell wall, classified in kingdom Monera | bacterium |
| a characteristic of a substance that can be observed and measured without changing the substance | physical property |
| a secondary organ of the digestive system that produces digestive juices | pancreas |
| an organism classified in the kingdom Protista; most are single-celled and live in moist environments | protist |
| a muscular organ that carries out both mechanical and chemical digestion | stomach |
| a group of specialized cells that work together to perform a specific function | tissue |
| the process of physically breaking food down into smaller pieces | mechanical digestion |
| a horizontal row of elements in the periodic table | period |
| a round or spherical bacterium | coccus |
| the number of deaths in a population during a certain period of time | death rate |
| a number, written below and to the right of an element, that shows how many atoms of each element are in a molecule | subscript |
| all the layers of soil in an area | soil profile |
| an organism that makes its own food | producer |
| the temperature at which a solid changes to a liquid | melting point |
| a cross that shows the inheritance of only one trait | monohybrid cross |
| body tissue that carries impulses back and forth between the brain and the body | nerve tissue |
| a fire in a wild area, such as a forest or prairie | wildfire |
| a tool that uses two or more lenses to magnify small objects | compound microscope |
| a tool that uses two or more lenses to magnify small objects | cardiac muscle |
| a consumer that eats both plants and animals | omnivore |
| an infection of the respiratory system that is caused by a virus; also called flu | influenza |
| the process by which cells break down sugar to releases energy | cellular respiration |
| the passing of traits from one generation to another | heredity |
| an experiment in which only one factor or variable is tested at a time | controlled scientific investigation |
| information collected through scientific research | data |
| a pure substance that cannot be changed into a simpler substance | element |
| a group of ecosystems that have similar climates and organisms | biome |
| a secondary organ of the digestive system that stores bile made by the liver | gallbladder |
| an organism classified in the kingdom Fungi | fungus |
| a community of living things and their nonliving environment | ecosystem |
| allowing water to pass through | permeable |
| a cell structure that carries out a life function | organelle |
| the smallest part of an element that has the chemical properties of that element | atom |
| a factor in an investigation that responds to changes in the independent variable | dependent variable |
| a rigid structure that surrounds the cell membrane of plant cells | cell wall |
| a working model of a tool or product that is being developed | prototype |
| a genetically determined characteristic that distinguishes one organism from another | inherited trait |
| different forms of the same gene | alleles |
| a large molecule that determines what traits are passed from one generation to the next | DNA |
| a substance that can be used to determine if a solution is acidic, basic, or neutral | indicator |
| the place where an organism lives, which supplies what it needs to survive | habitat |
| conserving resources by using a product more than once | reuse |
| a consumer that gets all or almost all of its food from plants | herbivore |
| an organ that filters the blood to remove wastes and excess water | kidney |
| the vertical axis on a graph | y-axis |
| any characteristic of an organism, such as body shape or what it eats | trait |
Created by:
belden
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