CSET Exam Secrets Test Prep Staff - CSET Science Practice Questions: CSET Practice Tests and Exam Review for the California Subject Examinations for Teachers

Table of Contents

1. Which of the following does NOT display an appropriateor safe use of chemicals?

a. Nevertaste any chemicals.

b. To testodors, waft the odors towards your nose with a cupped hand.

c. Neverreturn unused chemicals to the stock bottle.

d. When diluting acids, always pour thewater into the acid.

2. Which of the following wastes may be suitable for sinkor sewer disposal?

a. AceticAcid

b. Benzene

c. Acetone

d. Mercury

3. Which of the following describes the correct short-termstorage method for liquid-filled pH probes?

a. Storethe pH probes in distilled water.

b. Storethe pH probes on a dry shelf.

c. Storethe pH probes in a potassium chloride solution.

d. Store the pH probes in hydrochloricacid.

4. When lighting a Bunsen burner, the flame is luminousyellow. Which of the following procedures is the correct way to properly adjustthis flame?

a. Decreasethe air supply

b. Increasethe air supply

c. Decreasethe gas supply

d. Increase the gas supply

5. When using a microscope, which objective provides thegreatest field of view?

a. 4X

b. 10X

c. 40X

d. 100X

6. When working with chemicals in a laboratory which ofthe following describes the use of appropriate apparel?

a. Alwayswear gloves and aprons or lab coats. Wear goggles when needed.

b. Alwayswear goggles and aprons or lab coats. Wear gloves when needed.

c. Alwayswear goggles and gloves. Wear aprons or lab coats when needed.

d. Always wear aprons or lab coats. Weargloves and goggles when needed.

7. When working in the laboratory, what is the minimumlength of time an eye should be flushed if a chemical gets in the eye?

a. 2minutes

b. 10minutes

c. 15minutes

d. 30 minutes

8. According to the laboratory safety rules, what shouldstudents be instructed to do first in case of a laboratory fire?

a. Notifythe instructor

b. Locatethe nearest exit

c. Usethe fire extinguisher

d. Open the windows

9. Which of the following ideas most aligns with Darwinswork in On the Origin of Species?

a. If anorganism changes during its life in order to adapt to its environment, thosechanges are passed on to its offspring.

b. Thegeological processes that alter the earth are uniform through time.

c. Humanpopulations will rapidly increase unless kept in check by limits in foodsupply.

d. Nature selects the best adaptedvarieties to survive and reproduce.

10. Which of the following historical figures is NOTcorrectly matched with his contribution to modern science?

a. LouisPasteur and the germ concept of disease

b. ThomasEdison and the theory of relativity

c. JohannesKepler and the laws of planetary motion

d. Nicolaus Copernicus and the heliocentricview of the solar system

11. Which of the atomic models listed below is the mostrecent?

a. Rutherfordsatomic model

b. Bohrsatomic model

c. Thomsonsatomic model

d. Daltons atomic model

12. Which of the following is NOT a statement of one ofthe laws established by Isaac Newton?

a. Thelateral pressure exerted by a moving fluid decreases as the fluids speedincreases.

b. Forevery action there is an opposite and equal reaction.

c. Theacceleration of an object is directly related to the force applied to the objectand inversely related to the objects mass.

d. The attraction between two objects isdirectly related to the masses of the objects and inversely related to thesquare of the distance between the two objects.

13. Which of the following is NOT supported by DaltonsAtomic Theory of Matter?

a. Differencesin properties of elements are due to differences in the atoms of the elements.

b. Atomsof a particular element all have the same properties such as size and mass.

c. Everyelement consists of tiny particles called atoms which can be split into evensmaller pieces.

d. Chemical processes result from therearrangement, combination and separation of atoms.

14. Who proposed the quantum theory of light?

a. JamesMaxwell

b. ChristianHuygens

c. Isaac Newton

d. Albert Einstein

15. Which of the following statements is NOT congruentwith the theory of plate tectonics?

a. Thecontinents were once connected in the large supercontinent Pangea.

b. Thetectonic plates are part of the Earths lithosphere.

c. Seafloorspreading is evidence of tectonic plate movements.

d. Subduction occurs at divergentboundaries.

16. The best way to separate isotopes of the same elementis to exploit:

a. Differencesin chemical reactivity

b. Differencesin reduction potential

c. Differencesin toxicity

d. Differences in mass

17. Nuclear chain reactions, such as the one that isexploited in nuclear power plants, are propagated by what subatomicparticle(s)?

a. Protons

b. Neutrons

c. Electrons

d. Neutrons and protons

18. Which of the following statements about radioactivedecay is true?

a. The sumof the mass of the daughter particles is less than that of the parent nucleus

b. The sumof the mass of the daughter particles is greater than that of the parentnucleus

c. Thesum of the mass of the daughter particles is equal to that of the parentnucleus

d. The sum of the mass of the daughterparticles cannot be accurately measured

19. An alpha particle consists of

a. Twoelectrons and two protons

b. Twoelectrons and two neutrons

c. Fourneutrons

d. Two protons and two neutrons

20.When a solid is heated and transforms directly to thegaseous phases, this process is called:

a. sublimation

b. fusion

c. diffusion

d. condensation

21. Place the following elements in order of decreasingelectronegativity:

N, As, Bi, P, Sb

a. As>Bi>N>P>Sb

b. N>P>As>Sb>Bi

c. Bi>Sb>As>P>N

d. P>N>As>Sb>Bi

22. Arrange the following compounds from most polar toleast polar:

F2, CH3CH2Cl, NaCl, CH3OH