Direction: Write TRUE if the statement is correct and FALSE if the statement is wrong. Write your answer in the space provided 1. A dependent variable is the effect. Its value depends on changes in the independent variable 2. A variable that is not changed is called a manipulated variable, 3. Hypothesis is an educated guess, 4. Elements are abbreviated with symbols which consist of one or two numbers. 5. The lightest gas is Carbon Dioxide, 6. Non-metals are found on the right side of the periodic table, 7. The scientific procedure typically starts with an observation that leads to an inquiry. 8. The chemical elements are divided into metals and non-metals only. 9. All elements tend to "lose" an electron, and become positively charged 10. Aluminum, Iron, Copper, Gold, Mercury and Lead are examples of non-metals