Presentation on theme: "Designing an experiment:"— Presentation transcript:
1 Designing an experiment: An experiment is an organized procedure to study something under controlled conditions.
2 Does fertilizer in lake water make algae grow? 1. Determine a purposeDoes fertilizer in lake water make algae grow?
3 2. Write a hypothesis Use the form, “If… then… because….” If the amount of fertilizer in lake water increases, then the amount of algae will also increase, because fertilizers provide nutrients that algae need to grow.