¨When scientists approach a problem to solve, they will often start by gathering information. You and your friends decide to do the same. The park ranger helps out by giving you a map of the park with information about the surrounding areas.¨ 1.What information can you get from this map that is relevant to the problem being solved?

2.What further information do you need to gather to solve this problem? What investigations do you think you should conduct in order to test your predictions?

3.Based on the information you have gathered about the areas surrounding the pond, have your predictions about the cause of the algal bloom changed? Write what you now think the main cause is and the reasons for your new predictions.