10. Based on your data, is the relationship between friction and speed direct (both go up), or indirect (one decreases and the other increases)? Explain how your
data support this answer.
11. When the friction increases too much, does the object stay still or move in the
opposite direction?
12. What is the relationship between force and acceleration?

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

An observation that requires measurement is called quantitative observable or qualitative

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.