Elementary Science Exam 1 Answers

Answers Elementary Education Praxis II Science Exam 1

Review the exam below then take the quiz at the bottom of the page

1. In the six-kingdom model of biology, the six taxonomic kingdoms are: Bacteria, Archaea, Protista, Fungi, Plantae, and which of the following?

a. Animalia.

b. Virusaria.

c. Antimonera.

d. Archeabacteriai.

2. Based on the drawing above, what season in the Northern Hemisphere is being illustrated?

a. Winter.

b. Spring.

c. Summer.

d. Fall.

3. The geological process and study of the movement, division and collision of continents is called:

a. Cartography.

b. Geography.

c. Plate tectonics.

d. Topography.

4. Which of the following is an area of land adjacent to water on three sides?

a. A bay.

b. A headland.

c. A gulf.

d. A fjord.

5. The decomposition of rocks as a result of direct contact with a planet's atmosphere is called

a. sedimentation

b. supersaturation

c. glaciation

d. weathering

6. Tail-like projections formed on the outside of a motile cell's membrane are known as which of the following?

a. Cilium.

b. Flagella.

c. Contractile vacuoles.

d. Epithelial hairs.

7. The pH of distilled water should be a value of which of the following?

a. Four (4).

b. Seven (7).

c. Five (5).

d. Ten (10).

8. Pam wants to deterimine if a gold statue she has is really solid gold or is filled with a cheaper metal. What physical property of gold can she use to make a scientific determination?

a. Bernoulli's Principle.

b. Archimedes' Principle.

c. Pascal's Law.

d. The Second Law of Thermodynamics.

9. One non-characteristic feature of a geological subduction zone would be which of the following?

a. Deep sea ridge.

b. Volcanic activity.

c. Mountain uplifting.

d. Seismic activity.

10. Plotting velocity against time on a graph what is the indeterminate variable?

a. Both.

b. Velocity.

c. Time.

d. Impossible to say.

11. How would you use a conductivity probe in a lab?

a. To measure the oxygen content of a liquid.

b. To find an ionic solution.

c. To find fluid viscosity.

d. To measure gas density.

12. Which statements about the nuclear fusion process are true?

I It is the process that powers a star;

II It is the process that powers nuclear power plants;

III It is the process that powers an atom bomb.

a. I only.

b. I & II only.

c. II & III only.

d. All of the above.

13. Of the following organs, which is specifically a part of the excretory system?

a. heart

b. salivary glands

c. cerebrum

d. kidney

14. How many micrograms are there in two milliliters?

a. 20.

b. 0.2.

c. 200.

d. None of the above.

15. Which of the following is NOT true about the scientific method?

a. The scientific method is based on gathering observable, empirical, and measurable data

b. The scientific method involves collecting data through observation and experimentation

c. The scientific method requires that experiments be repeatable

d. The scientific method requires that a topic of study be generally acceptable in the scientific community

16. There are __________ bones in the human body.

a. 106

b. 206

c. 306

d. 406

17. What does the symbol above mean in organic chemistry?

a. Not equal to.

b. Stoichiometrically equivalent to.

c. Triple bond.

d. Three anions.

18. Structural support for a human body is provided by which of the following?

a. Skin and blood

b. Bones and muscles

c. Spine and heart

d. Brain and nerves

19. A barometer is an instrument specifically designed to measure which of the following?

a. water temperature

b. water pressure

c. air pressure

d. air temperature

20. The most common type of rock found in the Earth's crust is which of the following?

a. Sedimentary rock.

b. Metamorphic rock.

c. Igneous rock.

d. Transgenic rock.

21. What is the all-metals group of elements between Groups 3 and 12 on the Periodic Table called?

a. Light earth metals.

b. Middle metals.

c. Transition elements.

d. Oxygen family elements.

22. The term for the structure that assists with cell division (labeled # 13 in the diagram) is which of the following.

a. Vacuole

b. Vesicle

c. Centriole

d. Lysosome

23. The simplest and most common atom in the universe is hydrogen. Hydrogen atoms have which of the following?

a. One proton and one electron.

b. One proton and one neutron.

c. One proton, one neutron, and one electron.

d. One proton.

24. Which of the following is the elemental symbol for gold?

a. Go.

b. Ga.

c. Cr.

d. Au.

25. The famous experiment conducted by Benjamin Franklin with a kite and a key was the first real evidence of which of the following?

a. A movement of air molecules

b. A magnetic field

c. An electrical discharge

d. A glowing chemical

26. In the gut of a termite there lives a protozoan that has an interesting relationship. The termite provides a safe home for the protist, and the protozoan helps the termite digest wood. Without the protozoan, the termite could not live; and without the termite, the protozoan could not live. This type of symbiosis is called which of the following?

a. Parasitism.

b. Commensalism.

c. Mutualism.

d. Phagocytosis.

27. The next phase in the hydrologic cycle after ocean storage is which of the following?

a. Atmospheric storage.

b. Precipitation.

c. Transpiration.

d. Evaporation.

28. The sudden release of energy in the Earth's crust that creates seismic waves is which of the following natural disasters?

a. hurricane

b. tornado