Jamie planted sunflowers with her grandmother over the summer. She notices that the faces of the sunflowers follow along with the path of the sun, but she wonders if they would do that if she grew them inside. What would the independent and dependent variables be in the experiment described? Think back to your hypothesis to help you, if needed.

home soil test can help you determine what your garden soil needs. Time It Right. Choosing when to plant sunflower seeds requires a bit of waiting. Plant

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.