Physical Science EOC Part 2

Test Description: EOC Review

Instructions: Answer all questions to get your test result.

1) 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 if KE is 1 half the mass times velocity squared?

2) A car was sitting in sunlight all day long. The heat that is now contained in the car was transferred to the car primarily by which of the following processes?

3) 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?

4) If the north poles of two bar magnets are brought together, which is true?

5) How much potential energy does a 55-kg person gain when she walks to the top of a hill 20 m tall? (PE= mass x acceleration of gravity x height)

6) In the periodic table, the rows are called

7) A toaster is plugged into a wall outlet that has a voltage of 110 volts. If the toaster's resistance is 10 ohms, what current runs through the toaster? I= V divided by R (you need to know what these symbols represent)

8) Which, if either, of an object's potential and kinetic energies will directly depend on the object's position relative to the ground?

9) A series circuit has a current of 3 A. The circuit contains a 12 ohm resistor. What is the voltage of the current (use I=V/R

10) A car is traveling at a constant speed of 12 m/s. When the driver accelerates, the car reaches a speed of 26 m/s in 6 s. What is the average acceleration of the car? (acceleration = change in velocity/ change in time)

11) A 150-kg student kicks a 1.5-kg with a force of 450N. What force does the ball apply to the student?

12) A metal spoon is used to stir a pot of boiling water. The person holding the metal spoon feels the spoon get hot. Which best describes the transfer of heat in the spoon?

13) What happens to the kinetic energy and gravitational potential energy of a ball during free fall?

14) Which element is an alkaline earth metal?

15) A ball with a mass of 5kg is dropped from a resting position 10m above the ground. What is the potential energy of the ball just before it is dropped? (PE= mass x acceleration of gravity x height)

16) Which of the following are transferred or shared when two atoms react chemically?

17) Which best explains why water dissolves most salts?

18) An aluminum bar was found to have a mass of 27 g. Using water displacement, the volume was measured to be 10 mL. What is the density of the aluminum? (density = mass/volume)

19) Which accounts for most of the mass of an atom?

20) A sound wave has a frequency of 247 Hz and a wavelength of 1.4 m. What is the speed of the sound wave in air? Use the following equation v= f x ≀


*select an answer for all questions

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