SCIENCES - QUESTIONS AND DETAILED ANSWERS
1. Physics
CORRECT ANSWER: The study of forces, energy, and motion
2. Chemistry
CORRECT ANSWER: The study of atoms and molecules, their structures, and their
interactions to form substances
3. Earth science
CORRECT ANSWER: The study of the Earth's structure and composition, and processes
that change Earth
4. Essential attributes of science
CORRECT ANSWER: Studies the natural world
Uses testable ideas
Relies on data from observations/experiments
Presented for evaluation by other scientists
Leads to further questions/research
5. Variables
CORRECT ANSWER: The changing quantities in an experiment
6. Independent variable
CORRECT ANSWER: What you change in an experiment on purpose
7. Dependent variable
CORRECT ANSWER: The variable that changes because of an independent variable
8. Control variable
, CORRECT ANSWER: The variable(s) you don't want to study, need to be either eliminated
or kept constant
9. Observational study
CORRECT ANSWER: When systems are observed as they appear in nature, researchers do
not attempt to change them
10. Physical model
CORRECT ANSWER: A model of a physical phenomenon, such as a planetary system
11. Conceptual model
CORRECT ANSWER: A model used to visualize things that cannot be seen, such as atoms
12. Mathematical model
CORRECT ANSWER: A model that treats physical objects/phenomena using mathematical
methods
13. computer model
CORRECT ANSWER: A detailed, complex model calculated by a computer
14. principle of falsification
CORRECT ANSWER: Principle that only falsifiable statements can be subject to scientific
inquiry
15. hypothesis
CORRECT ANSWER: A testable statement about how something in nature works
16. law
CORRECT ANSWER: A concise statement that is supported by scientific evidence and
repeated experiments, describes a widespread pattern in nature (what)
17. theory