Term | Definition |
physical change | Change that occurs within the state of matter |
atom | The smallest part of an element |
solid | Matter that has a definite volume and definite shape |
liquid | Matter that has a definite volume and no definite shape. Liquids takes the shape of their container. |
gas | Matter with no definite volume or definite shape |
homogeneous mixture | Two or more substances that are combined and cannot be separated into original parts |
heterogeneous mixture | Two or more substances that are combined and can be separated into original parts |
What are the 3 base units in the Metric System? | meter, liter, and gram |
compound | Two or more elements that are chemically combined to form a new substance |
chemical change | Change that results in a new material formed |
What is something you might measure in Liters? | soda or pool |
What happens when you add energy to an ice cube? | The ice cube melts |
What unit would you use to measure the height of the flagpole outside the school? | meter |
What is something you might measure in grams? | pencil or stapler |
What happens with energy when water is frozen? | The particles lose energy |
example of homogeneous mixture | sugar water |
example of heterogeneous mixture | salad with cucumbers, peppers, carrots |
What are the particles like at each state of matter? | solid- closely packed
liquid- farther apart and move faster than those in solid
gas-particles are farther apart and move faster than those in a solid and liquid |
What is an example of an element? | Oxygen |
What happens when you add energy to an ice cube? | The particles gain energy and the ice cube melts |
What unit would you use to measure the distance from school to home? | Kilometer |