1. Science Assessment Practice
High School Physical Science

2. HS

3. HS Answer
D) A car is more fuel-efficient when it runs on high-octane gasoline than when it runs on low-octane gasoline.

4. HS
Which instrument would be best to use to measure 212 milliliters of liquid?
A) beaker
B) test tube
C) Erlenmeyer flask
D) graduated cylinder

5. HS Answer
D) graduated cylinder

6. HS.2A.1.1.
A neutral atom of gold (Au) has a mass number of 197 and has 118 neutrons. How many electrons does this gold atom have?
A) 79 electrons
B) 118 electrons
C) 197 electrons
D) 315 electrons

7. HS.2A Answer
A) 79 electrons

8. HS.2A.2.1.
The student understands chemists use kinetic and potential energy to explain the physical and chemical properties of matter on earth that may exist in any of these three states: solids, liquids, and gases.
This indicator is new therefore the sample question will be added when available.

9. HS.2A Answer
TBA

10. HS.2A.2.2.
Which trend is observed when moving from left to right in the second row of the periodic table, beginning with lithium (Li) and ending with neon (Ne)?
A) The atomic mass increases by one with each element.
B) The number of energy levels increases by one with each element.
C. The atomic radius increases by one with each element.
D) The number of electrons in the outer shell increases by one with each element.

11. HS.2A Answer
D) The number of electrons in the outer shell increases by one with each element.

12. HS.2A.2.3.
Based on its position in the periodic table, which element is most likely to form a negatively charged ion?
A) gold (Au)
B) neon (Ne)
C) barium (Ba)
D) chlorine (Cl)

13. HS.2A Answer
D) chlorine (Cl)

14. HS.2A.3.1.

15. HS.2A Answer
C) g

16. HS.2B.1.1.
An object is pushed with a force and begins to move across a frictionless surface. Which best describes the object’s motion after the force stops acting?
A) constant velocity
B) increasing velocity
C) variable acceleration
D) decreasing acceleration

17. HS.2B Answer
A) constant velocity

18. HS.2B.2.2.

19. HS.2B Answer
B) The kinetic energy is increasing

20. HS.2B.3.2.
Which lists the colors of visible light in order from shortest wavelength to longest wavelength?
A) blue, green, red, yellow
B) red, yellow, green, blue
C) blue, green, yellow, red
D) yellow, red, green, blue

21. HS.2B Answer
C) blue, green, yellow, red

22. HS.2B.3.5.
Stars emit wave energy as electromagnetic radiation. Which statement best explains the origin of these waves?
A) Accelerated electrons give off energy of various wavelengths.
B) Electrons that maintain constant kinetic energy give off waves with constant wavelengths.
C) Accelerated neutrons give off energy at constant wavelengths.
D) Neutrons that maintain maximum kinetic energy give off waves with maximum wavelengths.

23. HS.2B Answer
A) Accelerated electrons give off energy of various wavelengths.

24. HS
Each type of tectonic plate movement causes characteristic land forms. Which type of plate movement can form a rift valley?
A) collision of two tectonic plates
B) divergence of two tectonic plates
C) two plates slipping past each other
D) subduction of one plate under another

25. HS Answer
B) divergence of two tectonic plates.

26. HS
Which contributes most to cooler winter temperatures in the northern hemisphere?
A) Earth is at its greatest distance from the sun.
B) Incoming solar radiation is spread over a larger surface area.
C) The northern hemisphere is tilted toward the sun.
D) More solar radiation is reflected by Earth’s upper atmosphere.

27. HS Answer
B) Incoming solar radiation is spread over a larger surface area.

28. HS.4.4.1. Which stellar object has the greatest density? A) red giant
B) supernova
C) white dwarf
D) neutron star

29. HS Answer
D) neutron star

30. HS
All of the following technological advances resulted from discoveries in the field of biology except
A) vaccines
B) antibiotics
C) x-ray imaging
D) genetic sequencing

31. HS Answer
C) x-ray imaging.

32. You have completed the High School Physical Science assessment.