Chapter One Science

2. The ratio of a material’s mass to its volume
3. The study of the composition, structure, properties and reactions of matter (4)
9. A statement that summarizes a pattern found in nature (9)
11. An organized plan used for gathering and communicating information (7)
12. The study of life and life processes (4)
14. The variable that causes a change in another variable (8)
15. A well-tested explanation for a set of observations or experimental results (9)
18. The study of the universe beyond Earth (4)
19. The straight line distance between two points (16)
21. A system of knowledge about the natural world and the methods used to find that knowledge (3)

1. An experiment in which only one variable, the manipulated variable, is deliberately changed at a time (8)
4. The amount of matter in an object (16)
5. The use of scientific knowledge to solve practical problems (3)
6. Makes very large or very small numbers easier to work with – uses power of 10 and the exponent (14)
7. A variable that changes in response to a change in the manipulated variable (8)
8. The study of matter and energy and the interactions between the two forces and motion (4)
10. Information obtained through the senses (8)
13. The study of the origin, history and structure of Earth (4)
16. A proposed answer to a question (8)
17. The amount of space taken up by an object (16)
20. A representation of an object or event (10)