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CH. 2&3
Science- Matter and Mass
Question | Answer |
---|---|
Inertia | The tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object |
Mass | A measure of the amount of matter in an object |
Matter | Anything that has mass and takes up space |
Meniscus | A curve at a liquid's surface by which one measures the volume of a liquid |
Volume | A measure of the size of a body or region in three-demensional space |
Weight | A measure of the gravitational force exerted on an object; Its value can change with the location of the object in the universe |
Density | The ratio of the mass of a substance to the volume of the substance |
Physical Change | A change of matter from one form to another without a change in chemical properties |
Physical Property | A characteristic of a substance that does not involve a chemical change, such as density, color, or hardness |
Chemical Change | A change that occurs when one or more substances change into entierly new substances with new chemical properties |
Chemical Property | A property of matter that describes a substance's ability to participate in chemical reactions |
Gas | A form of matter taht does not have a definite volume or shape |
Liquid | The state of matter that has a definite volume but not a definite shape |
Solid | The state of matter in which the volume and shape of a substance are fixed |
States of Matter | The physical forms of matter, which include solid, liquid, and gas |
Surface Tension | The force that acts on the surface of a liquid and that tends to minimize the area or the surface |