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science flashers
science notes on science stuff
| Question | Answer |
|---|---|
| the domain ________ includes prokaryotes that live in extreme environments. | archaea |
| the domain ________ includes prokaryotes that live in soil, water, and in humans. | bacteria |
| the kingdom ________ includes mostly single-celled or simple multicellular organisms. | protista |
| the kingdom _____ includes nongreen, nonmoving eukaryotic organisms that brake down substances outside their bodies and absorb the nutrients. | fungi |
| the kingdom _____ includes complex, multicellular organisms that are usually green, have cell walls, and make sugar by photosynthesis. | plantae |
| the kingdom ________ is made up of complex, multicellular organisms that lack cell walls, can usually move around, and quickly respond to their environment. | animalia |
| a __________ is a underground stem from which new leaves and roots grow. | rhizome |
| a ____ _____ is a structure that surrounds the cell membraine and supports a plant cell. | cell wall |
| _______ are flowering plants that produce seeds inside a fruit. | angiosperm |
| _______ are plants which produce cones instead of flowers and fruit. | gymnosperms |
| ______ are the largest group of gymnosperms. | conifer |
| an angiosperm with one cotyledon is called a _____. | monocot |
| an angiosperm with two cotyledons is called a _____. | dicot |
| a sepal is a modified leaf that protects the flower ______. | bud |
| the ______ is the male reproductive structure of a flower. | stamen |
| a _______ is a root like structure that holds a nonvascular plant in place and helps it get water and nutrients. | rhizoid |
| ________ are organisms that eat other organisms or organic matter. | consumer |
| _______ get energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients. | decomposer |
| _______ make their own food. | producer |
| _____ is a type of tissue in vascular plants that allows the food to flow from the leaves to the rest of the plant. | phloem |
| ______ is a type of vascular tissue that conducts water from the roots to the shoots. | xylem |
| the ____ _______ is a digestive organ that absorbs nutrients. | small intestine |
| the _____ is a body cavity that contains and protects the internal organs. | coelon |
| the _____ _____ is a digestive organ that creates feces. | large intestine |
| an ________ is a hard, external, supporting structure. | exoskeleton |
| an ________ is an internal skeleton made of bone and cartilage. | endoskeleton |
| a _____ _____ consists of one type of atom or one type of molecule. | pure substance |
| a ____ contains two or more substances not chemically combined. | mixture |
| an _____ is a substance composed of a single kind of atom. | element |
| a _______ is substance made of atoms of two or more different elements joined by chemical bonds. | compound |
| _______ is anything that has mass and takes up space. | matter |
| a mixture in which particles eventually separate and settle out is a ________. | suspension |
| a ______ is a homogeneous mixture that appears to be a single substance. | solution |
| _______ are mixtures whose particles are smaller than particles in suspensions but larger than the particles in solutions and include examples such as gelatin, whipped cream, and clouds. | colloids |
| a ________ mixture is the same throughout. | homogeneous mixture |
| ________ is what occurs when a liquid becomes a gas. | evaporation |
| _________ occurs when a gas becomes a liquid. | condensation |
| ________ is the measure of the amount of space that matter occupies. | volume |
| ________- is the mass of an object per unit volume. | density |
| ________ is the amount of force exerted per unit area of a surface. | pressure |
| a ______ is a push or a pull that always acts on an object. | force |
| __________ is a change in a moving object's speed, direction or both. | acceleration |
| ________ is a force that always acts to oppose motion. | friction |
| _________ is a measure that does not change when an object's location changes. | mass |
| _________ is the measure of gravitational force exerted on an object. | weight |
| _______ is the speed of an object in a particular direction. | velocity |
| _______ is the force of attraction between two objects. | gravity |
| when forces are _______, there will be no change in motion. | balanced |
| to produce a change in motion, a force must be ________. | unbalanced |
| ______ is determined by dividing distance by time. | speed |
| _______ is the rate at which velocity changes over a period of time. | acceleration |
| the equation for determining pressure is ______ = _______ / ________ | pressure force area |
| ___________'s principle is used to determine buoyant force. | archimede |
| the forward force produced by an airplane's engine is known as _______. | thrust |
| __________'s principle is used by hydraulic devices to multiply force. | pascal |
| the force exerted on an object that increases as density of the fluid increases is known as _______. | buoyant force |
| ________ is a force that works against the forward motion of a plan. | drag |
| __________'s principle states that the pressure in a fluid decreases as the fluid's velocity increases. | bernoulli |
| the irregular flow of fluids is known as ________. | turbulence |
| _________ energy is the energy of motion. | kinetic |
| _______ is the ability to do work. | energy |
| the energy an object has because of its position is _______ energy. | potential |
| _________ energy is the total energy of motion and position of an object. | mechanical |
| all of the kinetic energy due to the random motion of particles that make up an object is known as __________ energy. | thermal |
| ________ energy is the energy of moving electrons. | electrical |
| the energy that is produced by vibrations of electrically charged particles is known as ______ energy. | light |
| _______ energy is caused by an object's vibrations. | sound |
| ________ _______ is found when you compare the amount of energy before a conversion with the amount of energy after a conversion. | energy efficiency |
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