Class 9 · CBSE
Class 9 Science questions
65 questions. Open one to try it and read its answer with a full explanation.
1. Exploration: Entering the World of Secondary Science
Chapter page →- A testable explanation that a scientist proposes before doing an experiment is called a
- The SI unit of length is the
- In a fair experiment, the factors that are kept the same are called
- Scientists repeat an experiment several times mainly to
- Which is the correct order of steps in a scientific investigation?