| A | B |
|---|
| hertz | unit that measures frequency |
| invertebrate | animal with no backbone |
| latitude | lines read north to south |
| compound | material made of 2 or more elements |
| flagella | whiplike structure |
| colloid | mixture that does not settle out |
| dilute | weak solution |
| revolution | earth around the sun |
| physical change | change that does not change properties |
| spectrum | separate bands of color |
| solubility | number of grams that dissolve in 100 g of solvent |
| refraction | bending light |
| indicator | used to determine pH |
| mixture | two or more substances that can be separated |
| consumer | organism that feeds on something else |
| contour lines | show steep mts. or plains |
| endoskeleton | internal skeleton |
| decomposer | breaks down dead organisms |
| habitat | place an organism lives |
| ph | scale that indicates acids |
