Ask AI: Class 9 Delhi Science Final exam paper

Section A: True/False 1. All living organisms contain genetic material. True 2. The Law of Conservation of Mass states that matter is neither created nor destroyed. True 3. Newton’s Third Law of Motion states that for every action, there is an equal and opposite reaction. True Section B: Multiple Choice 4. Which of the following is NOT a type of energy? c. Perception 5. Which of the following states that the universe is expanding? b. Hubble's law 6. How do birds understand the concept of gravity? a. By observing it in their environment. Section C: Short Answer 7. What is the difference between a theory and a law? A theory is an explanation of a scientific phenomenon based on observations and experiments. It is also open to further modifications based on new evidence. A law is a statement that describes the behavior of a natural phenomenon under certain conditions. It is generally accepted as true and is not open to modification.