A 4) matter that takes both the shape and the volume of its container
C 5) depends on the amount present.
Column B gas
Short Answer / Essay 1. Define chemistry.
2. List the major steps in the scientific method and describe each briefly.
3. List the five traditional branches of chemistry and explain what each involves.
4. You notice that a lawn looks unhealthy and that, perhaps, the grass is dying. Undertake a scientific project to save the lawn.
a. What is your initial hypothesis, and what experiments can you design to test it?
b. Often in science you must try several ideas before you find a solution to a problem. Suppose your hypothesis in part a is incorrect. Propose an alternative hypothesis. Design a new experiment to test this hypothesis.
5. Distinguish between physical changes and chemical changes and give two examples of each.