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101 Sci. Vocab. 1
Words and definitions for the 101 word vocabulary test.
| Question | Answer |
|---|---|
| The unit of measurement abbreviation for volume of a liquid. | mL or L |
| The unit of measurement abbreviation for volume of a solid. | cm3 |
| The unit of measurement abbreviation for mass. | g |
| The unit of measurement abbreviation for length. | cm, mm, or M |
| Write the unit of measurement abbreviation for density. | g/cm3 |
| Write the formula for determining density. | mass / volume |
| Write the formula for determining the volume of a solid. | length x width x height |
| The method used to determine the volume of an irregular shaped object. | water displacement method |
| A device used for measuring the volume of a solid or liquid. | graduated cylinder |
| A device used for measuring weight. | scale |
| A device used for measuring mass. | balance |
| Force of attraction between objects. | gravity |
| A measure of the force of gravity on an object. | weight |
| Anything that has mass and occupies space. | matter |
| The metric measurement of mass. | grams |
| The metric measurement of volume. | liter |
| The metric measurement of length. | meter |
| The amount of matter in a given amount of substance. | density |
| The amount of space an object occupies. | volume |
| The amount of matter in an object. | mass |
| Write the mathematical formula for time. Time = | distance ÷ speed |
| Write the mathematical formula for acceleration. Acceleration = | net force ÷ mass |
| Write the mathematical formula for force. Force = | mass x acceleration |
| Write the mathematical formula for speed. Speed = | distance ÷ time |
| Write the mathematical formula for distance. Distance = | speed x time |
| The greatest velocity a fall object can achieve. | terminal velocity |
| Speed in a given direction. | velocity |
| The force of gravity on an object at the surface of the planet. | weight |
| The fluid friction experienced by objects falling through the air. | air resistance |
| The motion of a falling object when the only force acting on it is gravity. | free fall |
| The force that one surface exerts on another when the two rub against each other. | friction |
| A unit of measure that equals the force required to accelerate one kilogram of mass at 1 meter per second per second. | Newton |
| Stored energy that results from the position of the object. | potential energy |
| Energy of motion. | kinetic energy |
| The tendency of an object to resist any change in its motion. | inertia |
| When a net force caused an object to move. | unbalanced forces. |
| The overall force on an object when all the individual forces acting on an object are added together. | net force |
| The distance an object travel per unit of time. | speed |
| A push or pull exerted on an object. | force |
| A change in speed or direction. | acceleration |
| The state in which one object's distance is from another object is changing. | motion |
| A change when energy is given off. | exothermic change |
| A change in which energy is taken in. | endothermic change |
| Energy due to temperature. | thermal energy |
| The ability to do work or cause change. | energy |
| The principle that the total amount of matter is neither created nor destroyed during any chemical or physical change. | Law of conservation of mass |
| A change in which one or more substances combine or break apart to form new substances. | chemical change |
| A change in a substance that does not change its identity. | physical change |
| A very well mixed mixture. | solution |
| A formula that gives the elements in a compound and the ratio of atoms. | chemical formula |
| Two or more substances that are mixed together but not chemically combined. | mixture |
| A pure substance made of two or more elements chemically combined. | compound |
| A particle made of two or more atoms bonded together. | molecule |
| A force that holds two atoms together. | chemical bond |
| The basic particle from which all elements are made. | atom |
| A pure substance that cannot be broken down into other substances by chemical or physical means. | element |
| A characteristic of a pure substances that describes its ability to change into a different substance. | chemical property |
| A characteristic of a pure substance that can be observed without changing it into another substance. | physical property |
| A single kind of matter that is pure and has a specific set of properties. | substance |
| A solid that does not have a distinct melting point, it just gets softer and softer. | amorphous solid |
| A solid that is made up of crystals in which particles are arranged in a regular, repeating pattern. | crystalline solids |
| A measure of the average energy of motion of the particles of a substance. | temperature |
| The force of pushing on a surface divided by the area of that surface. | pressure |
| The change in state from a solid directly to a gas without passing through the liquid state. | sublimation |
| The change of state from a gas to a liquid. | condensation |
| The process that occurs when vaporization takes place inside a liquid as well as on the surface. | boiling |
| The temperature at which a substance changes from a solid to a liquid; the same as the freezing point, or temperature at which a liquid changes to a solid. | melting point |
| The temperature at which a substance changes from a liquid to a gas; the same as the condensation point, or temperature at which a gas changes to a liquid. | boiling point |
| The change of state from a liquid to a gas. | vaporization |
| The process that occurs when vaporization takes place only on the surface of a liquid. | evaporation |
| The change in state from a liquid to a solid. | freezing |
| The change in state from a solid to a liquid. | melting |
| The results of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together; causes the surface to act as if it has a thin skin. | surface tension |
| Any substance that can flow. | fluid |
| A state of matter with no definite shape or volume. | gas |
| A state of matter that has no definite shape, but has definite volume. | liquid |
| A state of matter that has a definite shape and a definite volume. | solid |
| A solid, liquid, or gas. | States of Matter |
| An element in Group 18 of the periodic table containing helium, neon, and argon, among others. | noble gas |
| A term used to describe a material that can be pulled out into a long wire. | ductile |
| An element that lacks most of the properties of a metal. | nonmetal |
| A class of elements characterized by physical properties that include shininess, malleability, ductility and conductivity. | metal |
| Elements with atomic numbers higher than 92; elements that are not found naturally on Earth. | synthetic elements |
| Elements in the same vertical column of the periodic table. | group/family |
| A horizontal row of elements in the periodic table. | period |
| A one or two letter representation of an element. | chemical symbol |
| A chart of the elements showing the repeating pattern of their properties. | Periodic Table |
| The average mass of all of the isotopes of an element. | atomic mass |
| The ability of an object to transfer heat or electricity to another object. | conductivity |
| The sum of protons and neutrons in the nucleus of an atom. | mass number |
| An atom with the same number of protons and a different number of of neutrons from other atoms of the same element. | isotope |
| The number of protons in the nucleus of an atom. | atomic number |
| A tiny, negatively charged particle that moves around the nucleus of an atom. | electron |
| An element that has some of the characteristics of metals and some of the characteristics of nonmetals. | metalloid |
| A small particle in the nucleus of the atom, with no electrical charge. | neutron |
| A term used to describe material that can be pounded into shapes. | malleable |
| A small, positively charged particle in the nucleus of the atom. | proton |
| The central core of an atom containing protons and usually neutrons. | nucleus |
| The resistance of a liquid to flowing. | viscosity |
| Equal forces acting on an object in opposite directions. | balanced forces |
Created by:
Mrs. Dutes
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