How much does 200 gallons of water weigh?

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

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.

What type of organic molecule comprises the majority of a potato?