1. What is a hypothesis?

2. Why is it important to protect Earth's environment?

3. What is the first step of the scientific method?

4. A student notices that plants near sunlight grow taller. This is called:

5. After making an observation, the next step is usually to:

6. A hypothesis is:

7. Which of the following is a testable question?

8. In an experiment, the factor changed by the student is called:

9. In an experiment, the factor measured or observed is called:

10. In the question “Which type of soil helps plants grow tallest?”, the independent variable is: