click below
click below
Normal Size Small Size show me how
Nature Matter Part A
Question | Answer |
---|---|
what is the accuracy? | the quality of being near the true value |
What is Balance? | equipment used to measure mass |
What does calibrate mean? | to mark off lines on measuring equipment for the desired unit |
What is the definition of a centimeter cubed? | a unit of volume derived from length times width times height |
What does compress mean? | to squeeze or press together |
What is gas? | a state of matter having indefinite volume, indefinite shape, with particles bouncing around and not touching each other |
What is a graduated cylinder? | equipment use to measure liquid volume |
What is a gram? | an SI unit to measure mass; 1g = 0.001kg; there are 1000g in 1 kilogram |
What is a kilogram? | the SI base unit to measure mass; 1 kg = 1000g |
What is kinetic theory? | a physics theory that all matter is made of moving particles in random motion |
What is a liquid? | a state of matter having definite volume, indefinite shape, with particles touching, and sliding around each other |
What is a liter? | the SI unit to measure volume of liquids |
What is mass? | the amount of matter (atoms) in a substance; measured in grams and kilograms |
What is Matter? | anything that has mass and volume (takes up space) |
What is an meniscus? | the curve on the upper surface of a liquid in a container caused by surface tension |
What is a milliliter? | an SI unit to measure volume of liquids; 0.001 of a liter; there are 1000 mL in |
What are the phases of matter? | solids, liquids, gases, and plasma; also called states of matter |
What is a physical property? | a characteristic of a pure substance that can be observed without changing it into another substance |
What is plasma? | a state of matter consisting of ionized (electrically charged) particles |
What does precision mean? | the amount of detail or refinement in measurement |
What is a solid? | a state of matter having definite volume, definite shape, with particles vibrating, touching and locked into place |
What are the states of matter? | solids, liquids, gases, and plasma; also called phases of matter |
What is a unit? | a single, undivided whole; a quantity chosen as a standard for measurement |
What is volume? | the amount of space an object takes up or the amount of space a container holds |
What is weight? | the measure of the pull of gravity on an object; measured with a scale. |