click below
click below
Normal Size Small Size show me how
1.1Describing Matter
1.1Describing Matter 5th Grade
| Question | Answer |
|---|---|
| matter | anything that has mass and takes up space |
| properties | things you can describe like red adn smooth as well as numbers like 10 grams or 50ml. |
| measuring | a good way to decide what materials you should use |
| properties of substances may change when | you change the state of matter of those substances |
| same substances | when two objects have the same properties |
| physical properties | things you can see or measure |
| examples of physical properties | mass, color, size, shape, temperature |
| chemical properties | things you can not see; the object must be altered to figure it out |
| law of conseravation of mass | states that an object has the same mass even when it goes through a change; a solid ice cube that melts will have the same mass as the water it creates when it melts |
| crystal of salt | solid, square, and clear |
| texture | how something feels; for example: rough, smooth, fuzzy, silky etc. |
| solids | have a definite shape and their particles are close together |
| liquids | have no definite shape, but do have a definite volume; particles are a little spread out |
| liquids | shape changes based on the shape of the container |
| gases | do not have a fixed shape or volume; and their particles are far apart |
| example of chemical property | reactivity |