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Physical Science
A Form A


North Carolina Test of
Physical Science


Public Schools of North Carolina
www.ncpublicschools.org
State Board of Education
Department of Public Instruction
Division of Accountability Services/North Carolina Testing Program
Raleigh, North Carolina 27699-6314



 2009 All rights reserved. This document may not be reproduced by any means, in whole or in part, without prior
written permission from the North Carolina Department of Public Instruction, Raleigh, North Carolina.

RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

1. This diagram shows three horizontal forces acting on an object.

F


Neglecting friction, what is the magnitude of force, F, if the object remains at rest?
A 6 N

B 8 N

C 14 N

D 22 N



2. This graph represents the velocity of an object over time.

Velocity vs. Time
16
14
12
10
8
6
4
2
2468 101214161820
Time (s)

What is the average acceleration of the object during the first 4 seconds?
A 1 m/s/s

B 2 m/s/s

C 4 m/s/s

D 8 m/s/s

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RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

3. This graph represents the motion of a cart.

Distance vs. Time
30
25
20
15
10
5
0 5 101520253035
Time (s)

What is the average speed of the cart?
A 0.83 m/s

B 1.17 m/s

C 5 m/s

D 65 m/s



4. A person places a metal spoon that is at room temperature into a bowl of hot soup. How
will the thermal energies of the spoon and the soup be affected?
A The spoon will increase in thermal energy, and the soup will decrease in thermal
energy.

B Both the spoon and the soup will increase in thermal energy.

C The spoon will decrease in thermal energy, and the soup will increase in thermal
energy.

D Both the spoon and the soup will decrease in thermal energy.



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RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

5. Which is the lowest point of a 7. How much potential energy does a
transverse wave? 55-kg person gain when she walks to
the top of a hill 20 m tall?
A amplitude
A 75 J
B crest
B 539 J
C period
C 1,100 J
D trough
D 10,780 J


6. An object has a mass of 12.8 kg and
a velocity of 8.4 m s. What is the
kinetic energy of the object?
A 53.8 J

B 107.5 J

C 451.6 J

903.2 J D




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RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

8. A student builds an electromagnet using a variable power source and 40 turns of wire.
The electromagnet is used to pick up metal paper clips. The student changes the voltage
and counts the number of paper clips that are picked up. Which table could be the data
the student collected?

A B Number of Number of
Voltage (V) Voltage (V)Paper Clips Paper Clips
3 24 3 27
6 12 6 24
9 8 9 21
12 6 12 18

C D Number ofNumber of
Voltage (V)Voltage (V) Paper ClipsPaper Clips
3 93 10
6 186 20
9 20 9 27
12 3612 10



9. Which statement best explains why there could be a force of attraction between
two electrically charged objects?
A because they have like charges

B because they have unlike charges

C because they have the same number of protons

D ey have umber of electrons



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RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

10. This diagram represents a closed 11. An atom has 29 protons, 29 electrons,
circuit. and 35 neutrons. What is the mass
number of the atom?
R = 6 
A 29
B 35
C 64
D 93


V = 12 V
12. Which one of these scientists described
a model of the atom that included How much current flows through this
energy levels? circuit?
A Dalton A 0.5 A

B Bohr B 2 A

C Newton 18 A C

D Thomson D 72 A




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RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

13. This chart represents the melting points and boiling points of some substances.

Melting and Boiling Points
for Substances
Melting Boiling
Substance
Point (°C) Point (°C)
Ethanol —119 79
Hexane —95 69
Methane —182 —164
Methanol —94 65

Which substance is a gas at 45 C?
A Ethanol

B Hexane

C Methane

D Methanol



1114. How many protons and neutrons are there in an atom of B ? 5

A 5 protons and 6 neutrons

B 5 protons and 11 neutrons
C 11 protons and 5 neutrons

D 11 protons and 6 neutrons



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RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

15. This graph shows the solubility curves for various ionic compounds.

Solubility of Various Compounds
100
90
80
70
CsNO3
60
NH Br4
50
CuSO4
40
KCl
30
20
10
0
10 20 30 40 50 60 70 80 90 100
Temperature (°C)

Which compound is most affected by a change in temperature from 30 C to 50 C?
A CsNO3
B NH Br4
C CuSO4
D KCl


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RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

16. Which pair of elements has the 19. How is this reaction classified?
most physical and chemical properties
 in common? CaOH O Ca OH heat 22
A Ge and Se A endothermic

B K and Kr B exothermic

C Al and Ga C decomposition

D Ba and Bi D double replacement



17. Which chemical equation represents a 20. Which chemical formula represents
double replacement reaction? magnesium phosphate?
A 2NaCl 2NaCl2 A MgPO 4
B 2KClO2KCl 3O32 B Mg PO 24
C Zn2HCl ZnCl H22 Mg PO C  34 2
D NaOHHCl NaCl H O2 Mg POD  24 3


18. Which best explains why water
dissolves most salts?

A Water is polar, and salts form
ions in solution.

B Water is nonpolar, and salts form
ions in solution.

C Water has the same density as
salts.

D Water has a different density
than salts.





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RELEASED
NCDPI North Carolina Test of Physical Science. Form A RELEASED Fall 2009

21. A car is traveling at a constant 24. A metal spoon is used to stir a pot of
speed of 12 m/s. When the driver boiling water. The person holding the
accelerates, the car reaches a speed metal spoon feels the spoon get hot.
of 26 m/s in 6 s. What is the average Which best describes the transfer of
acceleration of the car? heat in the spoon?
A 2 m/s/s A radiation

B 2.3 m/s/s B electrical

C 4.3 m/s/s C conduction

D 84 m/s/s D convection



22. A large rock has a mass of 750 kg. 25. A student moves a box across the floor
What is its weight? by exerting 23.3 N of force and doing
47.2 J of work on the box. How far
A 76.5 N does the student move the box?

B 740.2 N 0.49 m A

C 759.8 N B 2.03 m

D 7,350 N C 23.9 m

D 1,099.8 m

23. A 100-kg student kicks a 1.5-kg ball
with a force of 450 N. What force does
the ball apply on the student?
4.5 N A

B 300 N

C 450 N

D 675 N



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RELEASED