Which of the following is a quantitative observation? F. The object has a mass of 2.3 grams.
G. The liquid is yellow.
H. Carbon dioxide gas is produced.
J. A yellow solid is formed.
3. A hypothesis is:
A. a summary of observed (measurable) behavior.
B. a process used to make and explain discoveries and to solve problems.
C. a possible explanation for why nature behaves in a particular way.
D. an explanation that has stood up to much testing and investigation.
4. A student observes that a tree is made up of a trunk, branches, and leaves. What type of
observation is this?
F. Quantitative
G. Microscopic
H. Chemical
J. Macroscopic
5. A student uses the following structured process to investigate a scientific phenomenon:
statement of problem, data collection, hypothesis, and experimentation. Which of the
following terms best describes this process?
A. Chemistry
B. Macroscopic
C. Scientific method
D. Predictive inquiry