click below
click below
Normal Size Small Size show me how
Science Unit 13
Science Unit 13 Lesson 1, 3, & 4 Vocabulary
| Question | Answer |
|---|---|
| anything that has mass or volume | matter |
| the amount of space something takes up | volume |
| the measure of energy of motion of the particles in matter | temperature |
| the quantity of matter that a solid, liquid, or gas contains | mass |
| found by dividing the mass of an object by its volume | density |
| a substance that has a definite volume but does not have a definite shape | liquid |
| a substance that does not have a definite shape or volume | gas |
| a substance with a definite shape and volume | solid |
| when a gas cools down and changes to a liquid | condenses |
| when a solid takes in energy its temperature rises unit it changes to a liquid | melts |
| when a liquid takes in energy its temperature rises until it changes to a gas | evaporates |
| liquid changes to a solid | freeze |
| take up more space | expand |
| take up less space | compress |
| mixture of metals | alloys |
| a mixture that has the same composition throughout because all of its parts are mixed evenly | solution |
| a combination of two or more substances that keep their identities and be be easily separated | mixture |
| the substance being dissolved in a solution | solute |
| the substance doing the dissolving in a solution | solvent |
| the process through which new substances are formed during a chemical change | reaction |
| a law that states that mater cannot be made or destroyed; however, matter can be changed into a new form | conservation of mass |
| change in which the form or shape of a substance changes, sub the substance still has the same chemical makeup | physical change |
| changes in one or more substances, caused by a reaction that form new and different substances | chemical change |