3.1 I can describe what elements anre and give examples of them. 3.2 I can describe what mixtures are and give examples of them.
3.3 I can describe what compounds are and give examples of them.
This picture represents
O an element
O a mixture
a compound

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

How many atoms are in 2 moles of phosphorus

Match the following items. match the items in the left column to the items in the right column. 1. general or nonspecific observation best fit curve 2. educated guess quantitative 3. when two variables change in the same direction, one remaining larger than the other by the same factor theory 4. "measured" observation control 5. standard, reference data, or experiment qualitative 6. a presently accepted explanation of how something happens law 7. a statement that explains what something does under the same conditions hypothesis 8. a curve drawn to average the data's deviations direct relationship