Question 1: A substance that cannot be reduced to any simpler set of component is called a(n):

element.

ion.

proton.

Higgs boson.

Question 2: What is the pH of arterial blood?

6.5

7.0

7.4

5.1

Question 3: What illness, which had been seemed to be vanquished, has resurged recently?

Cancer

Influenza

Heart attack

Tuberculosis

Question 4: What plays a part in almost every scientific investigation?

Hypothesis

Timing

Measurement

Testing

Question 5: Which compound is hydrophilic?

Cooking oil

Salt

Cholesterol

Gasoline

Question 6: Which of the following is a radioactive isotope of carbon?

Carbon 12

Carbon dioxide

Carbon 14

Carbon 6

Question 7: No living thing can be fully functional without which of the following?

DNA

Mitochondria

Oxygen

Water

Question 8: In what year did James Watson and Francis Crick describe the DNA molecule?

1910

1953

1960

2005

Question 9: Place the following terms in order from smallest to largest:

Ecosystem

Organism

Biosphere

Atom

Organ

Molecule

Population

Cell

10. Describe the electron configuration of the element sodium, which has an atomic number of 11, and how this determines how sodium bonds.

11. List the three important constituent parts of the atom; give location of these parts in the atom. and the electrical charge of each part. In addition, pick any element and give the numbers of each of these parts for that element.

12. List the eight characteristics of living things and give a short explanation of each one.

13. List and explain each step of the scientific method. Give an example of an observation that can be evaluated by the scientific method and use the method to explain the observation.